Inspection Procedure 2: Driver’s power window does not work by means of the power window main switch. <LH drive vehicles>

COMMENTS ON TROUBLE SYMPTOM

If the driver’s power window does not work by means of the power window main switch, the power window main switch or the driver’s door power window motor may be defective.

PROBABLE CAUSES

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

DIAGNOSIS PROCEDURE

STEP 1. Check the power window main switch.

Check that all of the front passenger’s and rear door power windows can operate by means of the power window main switch.

Q. Is the check result normal?

	Go to Step 2.

	Refer to .

STEP 2. Connector check: D-04 power window main switch connector and D-05 power window motor (front: LH) connector

Q. Are the check result normal?

Go to Step 3.

Repair the connector.

STEP 3. Check the wiring harness from D-04 power window main switch connector terminal Nos. 7 and 9 to D-05 power window motor (front: LH) connector terminal Nos. 1 and 2.

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

Q. Is the check result normal?

Go to Step 4.

Repair the wiring harness.

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?

	The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).

	Replace the power window motor (front: LH).