INSPECTION PROCEDURE B-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 front power window motor (LH)
Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. Check the power window main
switch.
Check that the passenger’s or rear power
window works by means of the power window main switch.
Q.
Is the check result normal?
Go to Step
2.
Refer to inspection
procedure B-1 "Power windows do not work at all <Not using SWS
monitor> or <Using SWS
monitor>."
STEP 2. Connector check:
E-02 power window main switch connector, E-28 front power window
motor (LH) connector
Q.
Is the check result normal?
Go to Step
3.
Repair the defective
connector.
STEP 3. Check the wiring harness
between E-02 power window main switch connector terminal Nos. 7, 9
and E-28 front power window motor (LH) connector terminal Nos. 2,
1
Check the input/output lines for open circuit and short
circuit.
Q.
Is the check result normal?
Go to Step
4.
Repair the wiring
harness.
STEP 4. Retest the
system.
After the power window main switch is replaced,
check that the driver’s door power window can be operated by the
power window main switch.
(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?
Intermittent malfunction (Refer
to GROUP 00 - How to Use Troubleshooting/Inspection Service
Points - How to Cope with Intermittent Malfunction ).