Speaker Circuit [12/2017 - 08/2019]: Procedure

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   for 9 Speakers	A
   for 12 Speakers	B
   for 15 Speakers	C

Result: 

B 

See step  15

Result: 

C 

See step  30

Result: 

A 

See step  2

1. Enter the "System Check Mode" screen. Refer to Check SP Check On in Operation Check.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Refer to OPERATION CHECK [12/2017 - 08/2019]

2. Perform the operation check above and determine the speaker that is not operating.

   Result

   Not Operating Speaker	Proceed to
   Front No. 3 speaker assembly (w/ DCM (Telematics Transceiver))	A
   Front No. 3 speaker assembly (w/o DCM (Telematics Transceiver))	B
   Front No. 2 speaker assembly	C
   Front No. 1 speaker assembly	D
   Rear speaker assembly or rear No. 2 speaker assembly	E

   HINT: 

   If sound cannot be heard from any speaker, inspect all of them.

Result: 

B 

See step  5

Result: 

C 

See step  7

Result: 

D 

See step  9

Result: 

E 

See step  11

Result: 

A 

See step  3

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the J62 DCM (telematics transceiver) connector.
3. Disconnect the K2 front No. 3 speaker assembly connector.
4. Measure the resistance between the stereo component amplifier assembly and the DCM (telematics transceiver) to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) - J62-2 (SPI+)	Always	Below 1 Ω
   J66-22 (CTR-) - J62-3 (SPI-)	Always	Below 1 Ω

5. Measure the resistance between the front No. 3 speaker assembly and the DCM (telematics transceiver) to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-2 - J62-5 (SPO+)	Always	Below 1 Ω
   K2-1 - J62-6 (SPO-)	Always	Below 1 Ω

6. Measure the resistance between the stereo component amplifier assembly or the DCM (telematics transceiver) and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) or J62-2 (SPI+) - Body ground	Always	10 kΩ or higher
   J66-22 (CTR-) or J62-3 (SPI-) - Body ground	Always	10 kΩ or higher

7. Measure the resistance between the front No. 3 speaker assembly or the DCM (telematics transceiver) and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-2 or J62-5 (SPO+) - Body ground	Always	10 kΩ or higher
   K2-1 or J62-6 (SPO-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Remove the front No. 3 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 3 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

See step  33

Result: 

NG 

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the K2 front No. 3 speaker assembly connector.
3. Measure the resistance between the stereo component amplifier assembly and the front No. 3 speaker assembly to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) - K2-2	Always	Below 1 Ω
   J66-22 (CTR-) - K2-1	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or the front No. 3 speaker assembly and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) or K2-2 - Body ground	Always	10 kΩ or higher
   J66-22 (CTR-) or K2-1 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

1. Remove the front No. 3 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 3 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the K6 and K8 front No. 2 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the front No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-13 (FR+) - K6-4	Always	Below 1 Ω
   J66-28 (FR-) - K6-2	Always	Below 1 Ω
   J66-12 (FL+) - K8-4	Always	Below 1 Ω
   J66-27 (FL-) - K8-2	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the front No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-13 (FR+) or K6-4 - Body ground	Always	10 kΩ or higher
   J66-28 (FR-) or K6-2 - Body ground	Always	10 kΩ or higher
   J66-12 (FL+) or K8-4 - Body ground	Always	10 kΩ or higher
   J66-27 (FL-) or K8-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  8

1. Remove the front No. 2 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 2 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good front No. 2 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the M3 and N3 front No. 1 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the front No. 1 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-5 (WFR+) - M3-1	Always	Below 1 Ω
   J66-20 (WFR-) - M3-2	Always	Below 1 Ω
   J66-4 (WFL+) - N3-1	Always	Below 1 Ω
   J66-19 (WFL-) - N3-2	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the front No. 1 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-5 (WFR+) or M3-1 - Body ground	Always	10 kΩ or higher
   J66-20 (WFR-) or M3-2 - Body ground	Always	10 kΩ or higher
   J66-4 (WFL+) or N3-1 - Body ground	Always	10 kΩ or higher
   J66-19 (WFL-) or N3-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  10

1. Remove the front No. 1 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 1 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the rear No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-15 (RR+) - O5-4 (+TW)	Always	Below 1 Ω
   J66-30 (RR-) - O5-2 (-TW)	Always	Below 1 Ω
   J66-14 (RL+) - P5-4 (+TW)	Always	Below 1 Ω
   J66-29 (RL-) - P5-2 (-TW)	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the rear No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-15 (RR+) or O5-4 (+TW) - Body ground	Always	10 kΩ or higher
   J66-30 (RR-) or O5-2 (-TW) - Body ground	Always	10 kΩ or higher
   J66-14 (RL+) or P5-4 (+TW) - Body ground	Always	10 kΩ or higher
   J66-29 (RL-) or P5-2 (-TW) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  12

1. Disconnect the O2 and P2 rear speaker assembly connectors.
2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.
3. Measure the resistance between each of the rear speaker assemblies and rear No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O2-1 - O5-3 (+)	Always	Below 1 Ω
   O2-2 - O5-1 (-)	Always	Below 1 Ω
   P2-1 - P5-3 (+)	Always	Below 1 Ω
   P2-2 - P5-1 (-)	Always	Below 1 Ω

4. Measure the resistance between each of the rear speaker assemblies or rear No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O2-1 or O5-3 (+) - Body ground	Always	10 kΩ or higher
   O2-2 or O5-1 (-) - Body ground	Always	10 kΩ or higher
   P2-1 or P5-3 (+) - Body ground	Always	10 kΩ or higher
   P2-2 or P5-1 (-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  13

1. Remove the rear speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the rear speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

Result: 

OK 

See step  14

1. Remove the rear No. 2 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the rear No. 2 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good rear No. 2 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Enter the "System Check Mode" screen. Refer to Check SP Check On in Operation Check.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Refer to OPERATION CHECK [12/2017 - 08/2019]

2. Perform the operation check above and determine the speaker that is not operating.

   Result

   Not Operating Speaker	Proceed to
   Front No. 3 speaker assembly (w/ DCM (Telematics Transceiver))	A
   Front No. 3 speaker assembly (w/o DCM (Telematics Transceiver))	B
   Front No. 2 speaker assembly	C
   Front No. 1 speaker assembly	D
   Rear speaker assembly or rear No. 2 speaker assembly	E
   Rear No. 3 speaker assembly	F

   HINT: 

   If sound cannot be heard from any speaker, inspect all of them.

Result: 

B 

See step  18

Result: 

C 

See step  20

Result: 

D 

See step  22

Result: 

E 

See step  24

Result: 

F 

See step  28

Result: 

A 

See step  16

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the J62 DCM (telematics transceiver) connector.
3. Disconnect the K2 front No. 3 speaker assembly connector.
4. Measure the resistance between the stereo component amplifier assembly and the DCM (telematics transceiver) to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) - J62-2 (SPI+)	Always	Below 1 Ω
   J66-22 (CTR-) - J62-3 (SPI-)	Always	Below 1 Ω

5. Measure the resistance between the front No. 3 speaker assembly and the DCM (telematics transceiver) to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-2 - J62-5 (SPO+)	Always	Below 1 Ω
   K2-1 - J62-6 (SPO-)	Always	Below 1 Ω

6. Measure the resistance between the stereo component amplifier assembly or the DCM (telematics transceiver) and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) or J62-2 (SPI+) - Body ground	Always	10 kΩ or higher
   J66-22 (CTR-) or J62-3 (SPI-) - Body ground	Always	10 kΩ or higher

7. Measure the resistance between the front No. 3 speaker assembly or the DCM (telematics transceiver) and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-2 or J62-5 (SPO+) - Body ground	Always	10 kΩ or higher
   K2-1 or J62-6 (SPO-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  17

1. Remove the front No. 3 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 3 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

See step  33

Result: 

NG 

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the K2 front No. 3 speaker assembly connector.
3. Measure the resistance between the stereo component amplifier assembly and the front No. 3 speaker assembly to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) - K2-2	Always	Below 1 Ω
   J66-22 (CTR-) - K2-1	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or the front No. 3 speaker assembly and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) or K2-2 - Body ground	Always	10 kΩ or higher
   J66-22 (CTR-) or K2-1 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  19

1. Remove the front No. 3 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 3 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE FRONT NO. 3 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the K5 and K7 front No. 2 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the front No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-13 (FR+) - K5-2	Always	Below 1 Ω
   J66-28 (FR-) - K5-1	Always	Below 1 Ω
   J66-12 (FL+) - K7-2	Always	Below 1 Ω
   J66-27 (FL-) - K7-1	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the front No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-13 (FR+) or K5-2 - Body ground	Always	10 kΩ or higher
   J66-28 (FR-) or K5-1 - Body ground	Always	10 kΩ or higher
   J66-12 (FL+) or K7-2 - Body ground	Always	10 kΩ or higher
   J66-27 (FL-) or K7-1 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  21

1. Remove the front No. 2 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 2 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good front No. 2 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the M3 and N3 front No. 1 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the front No. 1 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-5 (WFR+) - M3-1	Always	Below 1 Ω
   J66-20 (WFR-) - M3-2	Always	Below 1 Ω
   J66-4 (WFL+) - N3-1	Always	Below 1 Ω
   J66-19 (WFL-) - N3-2	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the front No. 1 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-5 (WFR+) or M3-1 - Body ground	Always	10 kΩ or higher
   J66-20 (WFR-) or M3-2 - Body ground	Always	10 kΩ or higher
   J66-4 (WFL+) or N3-1 - Body ground	Always	10 kΩ or higher
   J66-19 (WFL-) or N3-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  23

1. Remove the front No. 1 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 1 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the rear No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-15 (RR+) - O5-4 (+TW)	Always	Below 1 Ω
   J66-30 (RR-) - O5-2 (-TW)	Always	Below 1 Ω
   J66-14 (RL+) - P5-4 (+TW)	Always	Below 1 Ω
   J66-29 (RL-) - P5-2 (-TW)	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the rear No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-15 (RR+) or O5-4 (+TW) - Body ground	Always	10 kΩ or higher
   J66-30 (RR-) or O5-2 (-TW) - Body ground	Always	10 kΩ or higher
   J66-14 (RL+) or P5-4 (+TW) - Body ground	Always	10 kΩ or higher
   J66-29 (RL-) or P5-2 (-TW) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  25

1. Disconnect the O2 and P2 rear speaker assembly connectors.
2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.
3. Measure the resistance between each of the rear speaker assemblies and rear No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O2-1 - O5-3 (+)	Always	Below 1 Ω
   O2-2 - O5-1 (-)	Always	Below 1 Ω
   P2-1 - P5-3 (+)	Always	Below 1 Ω
   P2-2 - P5-1 (-)	Always	Below 1 Ω

4. Measure the resistance between each of the rear speaker assemblies or rear No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O2-1 or O5-3 (+) - Body ground	Always	10 kΩ or higher
   O2-2 or O5-1 (-) - Body ground	Always	10 kΩ or higher
   P2-1 or P5-3 (+) - Body ground	Always	10 kΩ or higher
   P2-2 or P5-1 (-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  26

1. Remove the rear speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the rear speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

Result: 

OK 

See step  27

1. Remove the rear No. 2 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the rear No. 2 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good rear No. 2 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the S53 rear No. 3 speaker assembly connector.
3. Measure the resistance between the stereo component amplifier assembly and the rear No. 3 speaker assembly to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-6 (WF1+) - S53-1	Always	Below 1 Ω
   J66-21 (WF1-) - S53-2	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or the rear No. 3 speaker assembly and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-6 (WF1+) or S53-1 - Body ground	Always	10 kΩ or higher
   J66-21 (WF1-) or S53-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  29

1. Remove the rear No. 3 speaker assembly.

   w/ Rear No. 2 Seat: Refer to REMOVAL [12/2017 - ]

   w/o Rear No. 2 Seat: Refer to REMOVAL [08/2016 - 08/2019]

2. Inspect the rear No. 3 speaker assembly.

   w/ Rear No. 2 Seat: Refer to INSPECTION [12/2017 - ]

   w/o Rear No. 2 Seat: Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE REAR NO. 3 SPEAKER ASSEMBLY 

w/ Rear No. 2 Seat: Refer to REMOVAL [12/2017 - ]

w/o Rear No. 2 Seat: Refer to REMOVAL [08/2016 - 08/2019]

1. Enter the "System Check Mode" screen. Refer to Check SP Check On in Operation Check.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Refer to OPERATION CHECK [12/2017 - 08/2019]

2. Perform the operation check above and determine the speaker that is not operating.

   Result

   Not Operating Speaker	Proceed to
   Front No. 3 speaker assembly (w/ DCM (Telematics Transceiver))	A
   Front No. 3 speaker assembly (w/o DCM (Telematics Transceiver))	B
   Front No. 2 speaker assembly	C
   Front No. 1 speaker assembly	D
   Rear speaker assembly or rear No. 2 speaker assembly	E
   Rear No. 3 speaker assembly	F
   Quarter side speaker assembly	G

   HINT: 

   If sound cannot be heard from any speaker, inspect all of them.

Result: 

B 

See step  34

Result: 

C 

See step  36

Result: 

D 

See step  38

Result: 

E 

See step  40

Result: 

F 

See step  44

Result: 

G 

See step  46

Result: 

A 

See step  31

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the J62 DCM (telematics transceiver) connector.
3. Disconnect the K2 front No. 3 speaker assembly connector.
4. Measure the resistance between the stereo component amplifier assembly and the DCM (telematics transceiver) to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) - J62-2 (SPI+)	Always	Below 1 Ω
   J66-22 (CTR-) - J62-3 (SPI-)	Always	Below 1 Ω

5. Measure the resistance between the front No. 3 speaker assembly and the DCM (telematics transceiver) to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-2 - J62-5 (SPO+)	Always	Below 1 Ω
   K2-1 - J62-6 (SPO-)	Always	Below 1 Ω

6. Measure the resistance between the stereo component amplifier assembly or the DCM (telematics transceiver) and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) or J62-2 (SPI+) - Body ground	Always	10 kΩ or higher
   J66-22 (CTR-) or J62-3 (SPI-) - Body ground	Always	10 kΩ or higher

7. Measure the resistance between the front No. 3 speaker assembly or the DCM (telematics transceiver) and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K2-2 or J62-5 (SPO+) - Body ground	Always	10 kΩ or higher
   K2-1 or J62-6 (SPO-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  32

1. Remove the front No. 3 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 3 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good front No. 3 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

See step  33

1. Remove the DCM (telematics transceiver).

   Refer to REMOVAL [12/2017 - 08/2019]

2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (DCM (Telematics Transceiver))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2 (SPI+) - 5 (SPO+)	Always	Below 1 Ω
   3 (SPI-) - 6 (SPO-)	Always	Below 1 Ω
   2 (SPI+) - 3 (SPI-)	Always	10 kΩ or higher
   5 (SPO+) - 6 (SPO-)	Always	10 kΩ or higher
   2 (SPI+) - Body ground	Always	10 kΩ or higher
   3 (SPI-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the K2 front No. 3 speaker assembly connector.
3. Measure the resistance between the stereo component amplifier assembly and the front No. 3 speaker assembly to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) - K2-2	Always	Below 1 Ω
   J66-22 (CTR-) - K2-1	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or the front No. 3 speaker assembly and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-7 (CTR+) or K2-2 - Body ground	Always	10 kΩ or higher
   J66-22 (CTR-) or K2-1 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  35

1. Remove the front No. 3 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 3 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good front No. 3 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the K5 and K7 front No. 2 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the front No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-13 (FR+) - K5-2	Always	Below 1 Ω
   J66-28 (FR-) - K5-1	Always	Below 1 Ω
   J66-12 (FL+) - K7-2	Always	Below 1 Ω
   J66-27 (FL-) - K7-1	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the front No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-13 (FR+) or K5-2 - Body ground	Always	10 kΩ or higher
   J66-28 (FR-) or K5-1 - Body ground	Always	10 kΩ or higher
   J66-12 (FL+) or K7-2 - Body ground	Always	10 kΩ or higher
   J66-27 (FL-) or K7-1 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  37

1. Remove the front No. 2 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 2 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good front No. 2 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the M3 and N3 front No. 1 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the front No. 1 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-5 (WFR+) - M3-1	Always	Below 1 Ω
   J66-20 (WFR-) - M3-2	Always	Below 1 Ω
   J66-4 (WFL+) - N3-1	Always	Below 1 Ω
   J66-19 (WFL-) - N3-2	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the front No. 1 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-5 (WFR+) or M3-1 - Body ground	Always	10 kΩ or higher
   J66-20 (WFR-) or M3-2 - Body ground	Always	10 kΩ or higher
   J66-4 (WFL+) or N3-1 - Body ground	Always	10 kΩ or higher
   J66-19 (WFL-) or N3-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  39

1. Remove the front No. 1 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the front No. 1 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the rear No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-15 (RR+) - O5-4 (+TW)	Always	Below 1 Ω
   J66-30 (RR-) - O5-2 (-TW)	Always	Below 1 Ω
   J66-14 (RL+) - P5-4 (+TW)	Always	Below 1 Ω
   J66-29 (RL-) - P5-2 (-TW)	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the rear No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-15 (RR+) or O5-4 (+TW) - Body ground	Always	10 kΩ or higher
   J66-30 (RR-) or O5-2 (-TW) - Body ground	Always	10 kΩ or higher
   J66-14 (RL+) or P5-4 (+TW) - Body ground	Always	10 kΩ or higher
   J66-29 (RL-) or P5-2 (-TW) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  41

1. Disconnect the O2 and P2 rear speaker assembly connectors.
2. Disconnect the O5 and P5 rear No. 2 speaker assembly connectors.
3. Measure the resistance between each of the rear speaker assemblies and rear No. 2 speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O2-1 - O5-3 (+)	Always	Below 1 Ω
   O2-2 - O5-1 (-)	Always	Below 1 Ω
   P2-1 - P5-3 (+)	Always	Below 1 Ω
   P2-2 - P5-1 (-)	Always	Below 1 Ω

4. Measure the resistance between each of the rear speaker assemblies or rear No. 2 speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   O2-1 or O5-3 (+) - Body ground	Always	10 kΩ or higher
   O2-2 or O5-1 (-) - Body ground	Always	10 kΩ or higher
   P2-1 or P5-3 (+) - Body ground	Always	10 kΩ or higher
   P2-2 or P5-1 (-) - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  42

1. Remove the rear speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the rear speaker assembly.

   Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE REAR SPEAKER ASSEMBLY. Refer to  REMOVAL [09/2015 - ] 

Result: 

OK 

See step  43

1. Remove the rear No. 2 speaker assembly.

   Refer to REMOVAL [09/2015 - ]

2. Inspect the rear No. 2 speaker assembly.

   Refer to INSPECTION [09/2015 - ]

3. Check that the malfunction disappears when a new or known good rear No. 2 speaker assembly is installed.

   Refer to REMOVAL [09/2015 - ]

   OK

   Malfunction disappears.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END 

Result: 

NG 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the S53 rear No. 3 speaker assembly connector.
3. Measure the resistance between the stereo component amplifier assembly and the rear No. 3 speaker assembly to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-6 (WF1+) - S53-1	Always	Below 1 Ω
   J66-21 (WF1-) - S53-2	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or the rear No. 3 speaker assembly and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-6 (WF1+) or S53-1 - Body ground	Always	10 kΩ or higher
   J66-21 (WF1-) or S53-2 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  45

1. Remove the rear No. 3 speaker assembly.

   w/ Rear No. 2 Seat: Refer to REMOVAL [12/2017 - ]

   w/o Rear No. 2 Seat: Refer to REMOVAL [08/2016 - 08/2019]

2. Inspect the rear No. 3 speaker assembly.

   w/ Rear No. 2 Seat: Refer to INSPECTION [12/2017 - ]

   w/o Rear No. 2 Seat: Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE REAR NO. 3 SPEAKER ASSEMBLY 

w/ Rear No. 2 Seat: Refer to REMOVAL [12/2017 - ]

w/o Rear No. 2 Seat: Refer to REMOVAL [08/2016 - 08/2019]

1. Disconnect the J66 stereo component amplifier assembly connector.
2. Disconnect the R25 and S38 quarter side speaker assembly connectors.
3. Measure the resistance between the stereo component amplifier assembly and each of the quarter side speaker assemblies to check for an open in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-11 (SR+) - R25-2	Always	Below 1 Ω
   J66-26 (SR-) - R25-1	Always	Below 1 Ω
   J66-10 (SL+) - S38-2	Always	Below 1 Ω
   J66-25 (SL-) - S38-1	Always	Below 1 Ω

4. Measure the resistance between the stereo component amplifier assembly or each of the quarter side speaker assemblies and body ground to check for a short in the wire harness.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   J66-11 (SR+) or R25-2 - Body ground	Always	10 kΩ or higher
   J66-26 (SR-) or R25-1 - Body ground	Always	10 kΩ or higher
   J66-10 (SL+) or S38-2 - Body ground	Always	10 kΩ or higher
   J66-25 (SL-) or S38-1 - Body ground	Always	10 kΩ or higher

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  47

1. Remove the quarter side speaker assembly.

   w/ Rear No. 2 Seat: Refer to REMOVAL [12/2017 - ]

   w/o Rear No. 2 Seat: Refer to REMOVAL [08/2016 - 08/2019]

2. Inspect the quarter side speaker assembly.

   w/ Rear No. 2 Seat: Refer to INSPECTION [12/2017 - ]

   w/o Rear No. 2 Seat: Refer to INSPECTION [09/2015 - ]

   Result

   Proceed to
   OK
   NG

Result: 

OK 

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - 08/2019] 

Result: 

NG 

REPLACE QUARTER SIDE SPEAKER ASSEMBLY 

w/ Rear No. 2 Seat: Refer to REMOVAL [12/2017 - ]

w/o Rear No. 2 Seat: Refer to REMOVAL [08/2016 - 08/2019]