Wireless Transmitter Memory Function does not Operate [04/2013 - ]: Procedure

1. Check the manual lock/unlock function by using the door control switch (multiplex network master switch assembly).

   Refer to OPERATION CHECK [04/2013 - ]

   OK

   Manual lock/unlock function operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO POWER DOOR LOCK CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - ] 

Result: 

OK 

See step  2

1. Check that the engine starts normally when the engine switch is pressed while carrying the key and with the brake pedal depressed.

   OK

   Engine starts normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 09/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ] 

Result: 

OK 

See step  3

1. Check the seat position memory and restoring function.

   Refer to OPERATION CHECK [04/2013 - ]

   Result

   Result	Proceed to
   OK	A
   NG (seat position memory function does not operate normally)	B
   NG (seat position restoring function does not operate normally)	C

Result: 

B 

GO TO OTHER DIAGNOSIS PROCEDURE (Power Seat Position is not Memorized). Refer to  Power Seat Position is not Memorized [04/2013 - ]  

Result: 

C 

GO TO OTHER DIAGNOSIS PROCEDURE (Power Seat does not Return to Memorized Position). Refer to  Power Seat does not Return to Memorized Position [04/2013 - 08/2015]  , or refer to  Power Seat does not Return to Memorized Position [08/2015 - 10/2017]  , or refer to  Power Seat does not Return to Memorized Position [10/2017 - 11/2021]  , or refer to  Power Seat does not Return to Memorized Position [11/2021 - ]  

Result: 

A 

See step  4

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   FL Door Courtesy SW	Front door courtesy light switch assembly (driver door) signal	ON or OFF	ON: Driver door open OFF: Driver door closed	-

   Body Electrical > Main Body > Data List 

   Tester Display
   FL Door Courtesy SW

   OK

   ON or OFF appears on the screen according to the driver door condition.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO LIGHTING SYSTEM (Front Door Courtesy Switch Circuit). Refer to  Front Door Courtesy Switch Circuit [04/2013 - ] 

Result: 

OK 

See step  5

1. Check the memory registration of the memory call function.

   Refer to OPERATION CHECK [04/2013 - ]

   OK

   Memory registration operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  8

Result: 

OK 

See step  6

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Main Body / Data List.
5. Read the Data List according to the display on the Techstream.

   Body Electrical > Main Body > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Mem SW No. w/KeyID1	Memory switch linked with key ID1	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID1 MEM SW1: M1 switch linked with key ID1 MEM SW2: M2 switch linked with key ID1 MEM SW3: M3 switch linked with key ID1	-
   Mem SW No. w/KeyID2	Memory switch linked with key ID2	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID2 MEM SW1: M1 switch linked with key ID2 MEM SW2: M2 switch linked with key ID2 MEM SW3: M3 switch linked with key ID2	-
   Mem SW No. w/KeyID3	Memory switch linked with key ID3	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID3 MEM SW1: M1 switch linked with key ID3 MEM SW2: M2 switch linked with key ID3 MEM SW3: M3 switch linked with key ID3	-
   Mem SW No. w/KeyID4	Memory switch linked with key ID4	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID4 MEM SW1: M1 switch linked with key ID4 MEM SW2: M2 switch linked with key ID4 MEM SW3: M3 switch linked with key ID4	-
   Mem SW No. w/KeyID5	Memory switch linked with key ID5	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID5 MEM SW1: M1 switch linked with key ID5 MEM SW2: M2 switch linked with key ID5 MEM SW3: M3 switch linked with key ID5	-
   Mem SW No. w/KeyID6	Memory switch linked with key ID6	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID6 MEM SW1: M1 switch linked with key ID6 MEM SW2: M2 switch linked with key ID6 MEM SW3: M3 switch linked with key ID6	-
   Mem SW No. w/KeyID7	Memory switch linked with key ID7	NONE, MEM SW1, MEM SW2 or MEM SW3	NONE: No switches linked with key ID7 MEM SW1: M1 switch linked with key ID7 MEM SW2: M2 switch linked with key ID7 MEM SW3: M3 switch linked with key ID7	-

   Body Electrical > Main Body > Data List 

   Tester Display
   Mem SW No. w/KeyID1
   Mem SW No. w/KeyID2
   Mem SW No. w/KeyID3
   Mem SW No. w/KeyID4
   Mem SW No. w/KeyID5
   Mem SW No. w/KeyID6
   Mem SW No. w/KeyID7

   OK

   On the Techstream display, it is confirmed that the memory call has been registered.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [04/2013 - ] 

Result: 

OK 

See step  7

1. Check the memory registration and automatic memory call function of the memory call function.

   Refer to OPERATION CHECK [04/2013 - ]

   OK

   Memory registration and automatic memory call function operate normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2013 - 06/2014]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2014 - 08/2015]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 10/2016]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2016 - 10/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 09/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 09/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - ] 

Result: 

NG 

GO TO OTHER DIAGNOSIS PROCEDURE (Wireless-linked Return Function does not Operate). Refer to  Wireless-linked Return Function does not Operate [04/2013 - ]  

1. Temporarily replace the main body ECU (multiplex network body ECU) with a new or known good one.

   Refer to REMOVAL [04/2013 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

1. Check the memory registration of the memory call function.

   Refer to OPERATION CHECK [04/2013 - ]

   OK

   Memory registration operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) 

Result: 

NG 

See step  10

1. Temporarily replace the front power seat switch LH with a new or known good one.

   Refer to REMOVAL [04/2013 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

1. Check the memory registration of the memory call function.

   Refer to OPERATION CHECK [04/2013 - ]

   OK

   Memory registration operates normally.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (FRONT POWER SEAT SWITCH LH WAS DEFECTIVE) 

Result: 

NG 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [04/2013 - 08/2015]  , or refer to  REMOVAL [08/2015 - 09/2020]  , or refer to  REMOVAL [09/2020 - ]