Inspection Procedure

1. Clear the DTCs (See DTC CHECK/CLEAR  ).

1. Check for DTCs (See DTC CHECK/CLEAR  ).

   Result 

   DTC RESULT REFERENCE
   
   

   Result	Proceed To
   B2312 is output.	A
   LIN communication DTCs are output.	B
   No DTCs output.	C

B: GO TO LIN COMMUNICATION SYSTEM  (See PROBLEM SYMPTOMS TABLE )

C: END (DUE TO KEEPING SWITCH OPERATED FOR 20 SEC. OR MORE) 

A: Go to Next Step 

1. Check where DTC B2312 is output from.

   Result 

   DTC RESULT REFERENCE
   
   

   Result	Proceed To
   B2312 output from multiplex network master switch.	A
   B2312 output from front power window regulator motor LH.	B
   B2312 output from front power window regulator motor RH.	C
   B2312 output from rear power window regulator motor LH.	D
   B2312 output from rear power window regulator motor RH.	E

B: Go to step 4 

C:  Go to step  6

D:  Go to step  9

E:  Go to step  12

A: REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY  (See REMOVAL  )

1. Use the Data List to check if the power window regulator motor is functioning properly (See DATA LIST/ACTIVE TEST  ).

   D-Door Motor 

   D-DOOR MOTOR CONTROL RANGE REFERENCE
   
   

   Tester Display	Measurement Item/Range	Normal Condition
   D Door P/W Auto SW	Driver side power window auto up/down signal/ON or OFF	ON: Driver side power window auto up/down switch operated OFF: Driver side power window switch not operated
   D Door P/W Up SW	Driver side power window manual up signal/ON or OFF	ON: Driver side power window manual up switch operated OFF: Driver side power window switch not operated
   D Door P/W Down SW	Driver side power window manual down signal/ON or OFF	ON: Driver side power window manual down switch operated OFF: Driver side power window switch not operated

   OK: The Techstream display changes according to operation of the master switch. 

NG: Go to step 5 

OK: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

1. Disconnect I11 switch connector.
2. Disconnect I12 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   I11-20 (UP) - I12-10 (UP)	Always	Below 1 Ω
   I11-15 (DOWN) - I12-7 (DOWN)	Always	Below 1 Ω
   I11-20 (UP) or I12-10 (UP) - Body ground	Always	10 kΩ or higher
   I11-15 (DOWN) or I12-7 (DOWN) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 1: Identifying I12 Motor Connector & I12 Motor Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

1. Use the Data List to check if the power window regulator motor is functioning properly (See DATA LIST/ACTIVE TEST  ).

   P-Door Motor 

   P-DOOR MOTOR CONTROL RANGE REFERENCE
   
   

   Tester Display	Measurement Item/Range	Normal Condition
   P Door P/W Auto SW	Front passenger side power window auto up/down signal/ON or OFF	ON: Front passenger side power window auto up/down switch operated OFF: Power window regulator switch not operated
   P Door P/W Up SW	Front passenger side power window manual up signal/ON or OFF	ON: Front passenger side power window manual up switch operated OFF: Power window regulator switch not operated
   P Door P/W Down SW	Front passenger side power window manual down signal/ON or OFF	ON: Front passenger side power window manual down switch operated OFF: Power window regulator switch not operated

   OK: The Techstream display changes according to operation of the power window regulator switch. 

NG: Go to step 7 

OK: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL  )

1. Remove the power window regulator switch (See REMOVAL  ).
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Switch Condition	Specified Condition
   I3-6 (UP) - I3-1 (GND)	Manual up operation	Below 1 Ω
   I3-7 (DOWN) - I3-1 (GND)	Manual down operation	Below 1 Ω
   I3-8 (AUTO) - I3-1 (GND)	Auto up/down operation	Below 1 Ω

NG: REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY  (See REMOVAL  )

Fig 2: Identifying Power Window Regulator Switch Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the I3 switch connector.
2. Disconnect the I4 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   I3-6 (UP) - I4-10 (UP)	Always	Below 1 Ω
   I3-7 (DOWN) - I4-7 (DOWN)	Always	Below 1 Ω
   I3-8 (AUTO) - I4-4 (AUTO)	Always	Below 1 Ω
   I3-6 (UP) or I4-10 (UP) - Body ground	Always	10 kΩ or higher
   I3-7 (DOWN) or I4-7 (DOWN) - Body ground	Always	10 kΩ or higher
   I3-8 (AUTO) or I4-4 (AUTO) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 3: Identifying I3 Switch Connector Terminal & I4 Motor Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL  )

1. Use the Data List to check if the power window regulator motor is functioning properly (See DATA LIST/ACTIVE TEST  ).

   RL-Door Motor 

   RL-DOOR MOTOR CONTROL RANGE REFERENCE
   
   

   Tester Display	Measurement Item/Range	Normal Condition
   RL Door P/W Auto SW	Rear power window LH auto up/down signal/ON or OFF	ON: Rear power window LH auto up/down switch operated OFF: Rear power window LH switch not operated
   RL Door P/W Up SW	Rear power window LH manual up signal/ON or OFF	ON: Rear power window LH manual up switch operated OFF: Rear power window LH switch not operated
   RL Door P/W Down SW	Rear power window LH manual down signal/ON or OFF	ON: Rear power window LH manual down switch operated OFF: The rear power window LH switch not operated

   OK: The Techstream display changes according to operation of the rear power window switch LH. 

NG: Go to step 10 

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

1. Remove the rear power window regulator switch (See REMOVAL  ).
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Switch Condition	Specified Condition
   J10-6 (UP) - J10-1 (GND)	Manual up operation	Below 1 Ω
   J10-7 (DOWN) - J10-1 (GND)	Manual down operation	Below 1 Ω
   J10-8 (AUTO) - J10-1 (GND)	Auto up/down operation	Below 1 Ω

NG: REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH  (See REMOVAL  )

Fig 4: Identifying Rear Power Window Regulator Switch Connector Terminal LH

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the J10 switch connector.
2. Disconnect the J11 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   J10-6 (UP) - J11-10(UP)	Always	Below 1 Ω
   J10-7 (DOWN) - J11-7 (DOWN)	Always	Below 1 Ω
   J10-8 (AUTO) - J11-4 (AUTO)	Always	Below 1 Ω
   J10-6 (UP) or J11-10 (UP) - Body ground	Always	10 kΩ or higher
   J10-7 (DOWN) or J11-7 (DOWN) - Body ground	Always	10 kΩ or higher
   J10-8 (AUTO) or J11-4 (AUTO) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 5: Identifying J10 Switch Connector & J11 Motor Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

1. Use the Data List to check if the power window regulator motor is functioning properly (See DATA LIST/ACTIVE TEST  ).

   RR-Door Motor 

   RR-DOOR MOTOR CONTROL RANGE REFERENCE
   
   

   Tester Display	Measurement Item/Range	Normal Condition
   RR Door P/W Auto SW	Rear power window RH auto up/down signal/ON or OFF	ON: The rear power window RH auto up/down switch operated OFF: The rear power window RH switch not operated
   RR Door P/W Up SW	Rear power window RH manual up signal/ON or OFF	ON: The rear power window RH manual up switch operated OFF: The rear power window RH switch not operated
   RR Door P/W Down SW	Rear power window RH manual down signal/ON or OFF	ON: The rear power window RH manual down switch operated OFF: The rear power window RH switch not operated

   OK: The Techstream display changes according to operation of the rear power window switch RH. 

NG: Go to step 13 

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL  )

1. Remove the rear power window regulator switch RH (See REMOVAL  ).
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Switch Condition	Specified Condition
   J3-6 (UP) - J3-1 (GND)	Manual up operation	Below 1 Ω
   J3-7 (DOWN) - J3-1 (GND)	Manual down operation	Below 1 Ω
   J3-8 (AUTO) - J3-1 (GND)	Auto up/down operation	Below 1 Ω

NG: REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH  (See REMOVAL  )

Fig 6: Identifying Rear Power Window Regulator Switch RH

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

1. Disconnect the J3 switch connector.
2. Disconnect the J4 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   J3-6 (UP) - J4-10 (UP)	Always	Below 1 Ω
   J3-7 (DOWN) - J4-7 (DOWN)	Always	Below 1 Ω
   J3-8 (AUTO) - J4-4 (AUTO)	Always	Below 1 Ω
   J3-6 (UP) or J4-10 (UP) - Body ground	Always	10 kΩ or higher
   J3-7 (DOWN) or J4-7 (DOWN) - Body ground	Always	10 kΩ or higher
   J3-8 (AUTO) or J4-4 (AUTO) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 7: Identifying J4 Motor Connector & J3 Switch Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH  (See REMOVAL  )