Rear Power Window LH Does Not Operate With Rear Power Window Switch LH

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Rear Power Window LH does not Operate with Rear Power Window Switch LH
- Rear Power Window LH does not Operate with Rear Power Window Switch LH

DESCRIPTION

* If the manual UP/DOWN function does not operate, there may be a malfunction in the rear power window regulator switch, power window rear regulator motor LH or wire harness.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK LIN COMMUNICATION SYSTEM

(a) Check for LIN communication system DTCs related to the power window control system.

OK:

LIN communication system DTCs are not output.

NG -- GO TO LIN COMMUNICATION SYSTEM LIN Communication System
OK -- Continue to next step.

2. CHECK FOR DTC (B2312)

(a) Check if DTC B2312 is output.

OK:

DTC B2312 is not output.

NG -- GO TO DTC B2312 B2312
OK -- Continue to next step.

3. READ VALUE USING TECHSTREAM (REAR POWER WINDOW REGULATOR SWITCH LH)

(a) Use the Data List to check if the power window regulator motor is functioning properly.

RL-Door Motor:





OK:

Techstream display changes normally when rear power window switch LH is operated.

NG -- CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR SWITCH LH)

OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal

4. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR SWITCH LH)

(a) Disconnect the O15 ECU connector.





(b) Disconnect the O18 switch connector.

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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR MOTOR LH)

(a) Disconnect the O14 ECU connector.





(b) Disconnect the O19 motor connector.

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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH LH - REAR POWER WINDOW REGULATOR MOTOR LH)

(a) Disconnect the O18 switch connector.





(b) Disconnect the O19 motor connector.

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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

7. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH





(a) Remove the switch.

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

Standard resistance:





NG -- REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Removal

OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal