INSPECTION PROCEDURE C-3: Relevant Power Window(s) do not work by
means of The Front and Rear Power Window Sub Switches.
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COMMENTS ON TROUBLE SYMPTOM
If the front passenger’s
or rear <Long wheelbase> power window does not work by means
of the respective power window sub switch, the power window sub switch
or the power window motor may be defective.
PROBABLE CAUSES
- Malfunction of the front power window sub switch (LH), rear
power window sub switch (RH) <Long wheelbase> or
rear power window sub switch (LH) <long
wheelbase>
- Malfunction of the front power window motor (LH), rear power
window motor (RH) <long wheelbase> or rear power
window motor (LH) <Long wheelbase>
- Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. Check the power window main
switch.
Check that the power window lock switch is turned
off.
Q.
Is the check result normal?
Go to Step
2.
Turn off the power
window lock switch.
STEP 2. Determine a
trouble spot.
Q.
Which power window does not work?
Front passenger’s
door
: Go to
Step 3.
Rear right door <Long wheelbase>
: Go to
Step 12.
Rear left door <Long wheelbase>
: Go to
Step 21.
STEP 3. Connector check: F-11 front
power window sub switch (LH) connector
Q.
Is the check result normal?
Go to Step
4.
Repair the
connector.
STEP 4. Resistance measurement at
F-11 front power window sub switch (LH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Continuity between F-11 front power window sub
switch (LH) connector terminal No.1 and body
earth. OK: Continuity exists (2 Ω or
less)
|
Q.
Is the check result normal?
Go to Step 6.
Go to Step
5.
STEP 5. Check the wiring harness from
F-11 front power window sub switch (LH) connector terminal No.1 to
body earth.
note |
Prior to the wiring harness inspection,
check intermediate connector D-133 and repair if
necessary.
|
- Check the earth wires for open circuit.
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
).
Repair the wiring
harness.
STEP 6. Voltage measurement at F-11
front power window sub switch (LH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Turn the ignition switch to the ON
position.
|
|
(3)Check the voltage between the F-11 front power
window sub switch (LH) connector terminal No.4 and body
earth. OK: Battery positive voltage
|
Q.
Is the check result normal?
Go to Step 9.
Go to Step
7.
STEP 7. Connector check: D-408 power
window relay connector
Q.
Is the check result normal?
Go to Step
8.
Repair the
connector.
STEP 8. Check the wiring harness
from D-408 power window connector terminal No.4 to F-11 front power
window sub switch (LH) connector terminal No.4.
note |
Prior to the wiring harness inspection,
check intermediate connector D-133 and junction block
connector D-403, and repair if necessary.
|
- Check the power supply line for open circuit.
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
).
Repair the wiring
harness.
STEP 9. Connector check: F-06 front
power window motor (LH) connector
Q.
Is the check result normal?
Go to Step
10.
Repair the
connector.
STEP 10. Check the wiring harness
from F-11 front power window sub switch (LH) connector terminal
Nos.5 and 7 to F-06 front power window motor (LH) connector terminal
Nos.1 and 3.
- Check the input and output lines for open or short
circuit.
Q.
Is the check result normal?
Go to Step
11.
Repair the wiring
harness.
STEP 11. Retest the
system.
After the front power window sub switch (LH) is
replaced, check that the front passenger’s door power window can
be operated by the front power window sub switch (LH).
|
(1)Replace the front power window sub switch
(LH).
|
|
(2)Check that the front passenger’s door power
window can be operated by the front power window sub switch
(LH).
|
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 front power window
motor (LH).
STEP 12. Connector check: F-23
rear power window sub switch (RH) connector
Q.
Is the check result normal?
Go to Step
13.
Repair the
connector.
STEP 13. Resistance measurement
at F-23 rear power window sub switch (RH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Continuity between F-23 rear power window sub
switch (RH) connector terminal No.1 and body
earth. OK: Continuity exists (2 Ω or
less)
|
Q.
Is the check result normal?
Go to Step 15.
Go to Step
14.
STEP 14. Check the wiring harness from
F-23 rear power window sub switch (RH) connector terminal No.1 to
body earth.
note |
Prior to the wiring harness inspection,
check intermediate connector E-43 and repair if
necessary.
|
- Check the earth wires for open circuit.
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
).
Repair the wiring
harness.
STEP 15. Voltage measurement at
F-23 rear power window sub switch (RH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Turn the ignition switch to the ON
position.
|
|
(3)Check the voltage between the F-23 rear power
window sub switch (RH) connector terminal No.4 and body
earth. OK: Battery positive voltage
|
Q.
Is the check result normal?
Go to Step 18.
Go to Step
16.
STEP 16. Connector check: D-408 power
window relay connector
Q.
Is the check result normal?
Go to Step
17.
Repair the
connector.
STEP 17. Check the wiring harness
from D-408 power window relay connector terminal No.4 to F-23 rear
power window sub switch (RH) connector terminal No.4.
note |
Prior to the wiring harness inspection,
check intermediate connectors D-220, E-43 and junction block
connector D-403, and repair if necessary.
|
- Check the power supply line for open circuit.
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
).
Repair the wiring
harness.
STEP 18. Connector check: F-26 rear
power window motor (RH) connector
Q.
Is the check result normal?
Go to Step
19.
Repair the
connector.
STEP 19. Check the wiring harness
from F-23 rear power window sub switch (RH) connector terminal Nos.5
and 7 to F-26 rear power window motor (RH) connector terminal Nos.1
and 3.
- Check the input and output lines for open or short
circuit.
Q.
Is the check result normal?
Go to Step
20.
Repair the wiring
harness.
STEP 20. Retest the
system.
After the rear power window sub switch (RH) is
replaced, check that the rear right door power window can be operated by
the rear power window sub switch (RH).
|
(1)Replace the rear power window sub switch
(RH).
|
|
(2)Check that the rear right door power window can
be operated by the rear power window sub switch (RH).
|
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 rear power window
motor (RH).
STEP 21. Connector check: F-17
rear power window sub switch (LH) connector
Q.
Is the check result normal?
Go to Step
22.
Repair the
connector.
STEP 22. Resistance measurement
at F-17 rear power window sub switch (LH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Continuity between F-17 rear power window sub
switch (LH) connector terminal No.1 and body
earth. OK: Continuity exists (2 Ω or
less)
|
Q.
Is the check result normal?
Go to Step 24.
Go to Step
23.
STEP 23. Check the wiring harness from
F-17 rear power window sub switch (LH) connector terminal No.1 to
body earth.
note |
Prior to the wiring harness inspection,
check intermediate connectors E-42, and repair if
necessary.
|
- Check the earth wires for open circuit.
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
).
Repair the wiring
harness.
STEP 24. Voltage measurement at
F-17 rear power window sub switch (LH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Turn the ignition switch to the ON
position.
|
|
(3)Check the voltage between the F-17 rear power
window sub switch (LH) connector terminal No.4 and body
earth. OK: Battery positive voltage
|
Q.
Is the check result normal?
Go to Step 27.
Go to Step
25.
STEP 25. D-408 power window relay
connector
Q.
Is the check result normal?
Go to Step
26.
Repair the
connector.
STEP 26. Check the wiring harness
from D-408 power window connector terminal No.4 to F-17 rear power
window sub switch (LH) connector terminal No.4.
note |
Prior to the wiring harness inspection,
check intermediate connectors D-236, E-42 and junction block
connector D-403, and repair if necessary.
|
- Check the power supply line for open circuit.
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
).
Repair the wiring
harness.
STEP 27. Connector check: F-20 rear
power window motor (LH) connector
Q.
Is the check result normal?
Go to Step
28.
Repair the
connector.
STEP 28. Check the wiring harness
from F-17 rear power window sub switch (LH) connector terminal Nos.5
and 7 to F-20 rear power window motor (LH) connector terminal Nos.1
and 3 to.
- Check the input and output lines for open or short
circuit.
Q.
Is the check result normal?
Go to Step
29.
Repair the wiring
harness.
STEP 29. Retest the
system.
After the rear power window sub switch (LH) is
replaced, check that the rear left door power window can be operated by
the rear power window sub switch (LH).
|
(1)Replace the rear power window sub switch
(LH).
|
|
(2)Check that the rear left door power window can be
operated by the rear power window sub switch (LH).
|
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 rear power window
motor (LH).