Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch: Procedure

1. Check for LIN communication system DTCs related to the power window control system.

   OK

   LIN communication system DTCs are not output.

NG → See step   11 

OK: Go to next step 

1. Check if DTC B2312 is output.

   OK

   DTC B2312 is not output.

NG → See step   9 

OK: Go to next step 

1. Use the Data List to check if the power window regulator motor is functioning properly.
   P-DOOR MOTOR:
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   P Door P/W Up SW	Front passenger side power window manual UP switch signal / ON or OFF	ON: Front passenger side power window manual UP switch operated OFF: Front passenger side power window switch not operated	-
   P Door P/W Down SW	Front passenger side power window manual DOWN switch signal / ON or OFF	ON: Front passenger side power window manual DOWN switch operated OFF: Front passenger side power window switch not operated	-

   OK

   Techstream display changes normally when front passenger side power window switch is operated.

NG → See step   4 

OK → See step   8 

1. Disconnect the P4 ECU connector.
   Fig 1: Identifying P4 ECU Connector & N6 Switch Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the N6 switch connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   P4-27 (SGND) - N6-5 (GND)	Always	Below 1 Ω
   P4-27 (SGND) or N6-5 (GND) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the N1 ECU connector.
   Fig 2: Identifying N1 ECU Connector & N3 Motor Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the N3 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   N1-5 (BDRJ) - N3-2 (B)	Always	Below 1 Ω
   N1-2 (PWE) - N3-1 (E)	Always	Below 1 Ω
   N1-5 (BDRJ) or N3-2 (B) - Body ground	Always	10 kΩ or higher
   N1-2 (PWE) or N3-1 (E) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the N6 switch connector.
   Fig 3: Identifying N6 Switch Connector & N3 Motor Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the N3 motor connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   N6-2 (UP) - N3-10 (UP1)	Always	Below 1 Ω
   N6-10 (DOWN) - N3-7 (DWN1)	Always	Below 1 Ω
   N6-2 (UP) or N3-10 (UP1) - Body ground	Always	10 kΩ or higher
   N6-10 (DOWN) or N3-7 (DWN1) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

Fig 4: Identifying Power Window Regulator Switch Assembly Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard resistance

   Tester Connection	Switch Condition	Specified Condition
   N6-2 (UP) - N6-5 (GND)	Manual UP operation	Below 1 Ω
   N6-10 (DOWN) - N6-5 (GND)	Manual DOWN operation	Below 1 Ω

NG → See step   10 

OK → See step   8