INSPECTION PROCEDURE B-2: Driver’s Power Window does not work by means of the Power Window Main Switch. <RH drive vehicles>


caution Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.






COMMENTS ON TROUBLE SYMPTOM



PROBABLE CAUSES



  • Malfunction of the power window main switch
  • Malfunction of the front power window motor (RH)
  • Damaged harness wires and connectors

DIAGNOSIS PROCEDURE


STEP 1. Check the power window main switch.



Q. Is the check result normal?





STEP 2. Connector check: F-02 power window main switch connector and F-14 front power window motor (RH) connector


Q. Is the check result normal?





STEP 3. Check the wiring harness from F-02 power window main switch connector terminal Nos. 1, 7 to F-14 front power window motor (RH) connector terminal Nos. 3, 1.



  • Check the input and output lines for open or short circuit.

Q. Is the check result normal?





STEP 4. Retest the system.


(1)Replace the power window main switch.
(2)Check that the driver’s power window works by means of the power window main switch.

Q. Is the check result normal?