Rear Power Window LH Auto Up / Down Function Does Not Operate With Rear Power Window Switch LH
WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH
Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH
DESCRIPTION
- If the AUTO UP/DOWN function does not operate, the cause may be one or more of the following:
- ECU in the power window regulator motor determines that the power window regulator motor has not been initialized.
- The power window regulator switch has a malfunction.
- The Hall-IC in the power window regulator motor has a malfunction.
- The wiring between the power window regulator switch and the power window regulator motor is open or short.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC
(a) Check for DTCs.
Result:
E -- GO TO LIN COMMUNICATION SYSTEM
D -- GO TO DTC B2313
C -- GO TO DTC B2312
B -- GO TO DTC B2311
A -- Continue to next step.
2. CHECK MANUAL UP / DOWN FUNCTION
(a) Check that the manual UP/DOWN function using the power window regulator switch can operate the driver door power window.
OK:
Manual UP/DOWN function operates normally.
NG -- OTHER PROBLEM
OK -- Continue to next step.
3. READ VALUE USING TECHSTREAM (REAR MOTOR LH)
(a) Use the Data List to check if the power window regulator motor is functioning properly.
RL-Door Motor:
OK:
Tester display changes normally when rear power window switch LH is operated.
NG -- CHECK HARNESS AND CONNECTOR (REAR SWITCH LH - REAR MOTOR LH)
OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH
4. CHECK HARNESS AND CONNECTOR (REAR SWITCH LH - REAR 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 AND CONNECTOR
OK -- Continue to next step.
5.
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY
(a) Remove the switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NG -- REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY
OK -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH