INSPECTION PROCEDURE C-6: Power Window Anti-trap Function does not
work Normally.
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COMMENTS ON TROUBLE SYMPTOM
Malfunction of the power window
motor revolution detection sensor is suspected.
PROBABLE CAUSES
- Malfunction of the power window motor
- Damaged wiring harness and connectors
DIAGNOSIS PROCEDURE
STEP 1. Check the power window operating
current.
Check that the power window operating current is
normal (Refer to
).
Q.
Is the check result normal?
Adjust the door window
glass (Refer to
), and then go to Step
2.
Replace the defective
power window motor which operating current are abnormal.
STEP 2. Confirm the power window learning
function.
Check that the power window switch has learned the
fully closed position of the windows.
Q.
Is the check result normal?
Go to Step
3.
Make the power window
switch learn the fully closed position of the windows (Refer to
).
STEP 3. Determine a trouble spot.
Q.
Which door does the power window anti-trap function fail
on?
Driver’s door
: Go to Step
4.
Front passenger’s door
: Go to Step
7.
Rear right door <Long wheelbase>
: Go to Step
13.
Rear left door <Long wheelbase>
: Go to Step
19.
STEP 4. Connector check: F-02 power
window main switch connector and F-14 front power window motor (RH)
connector
Q.
Is the check result normal?
Go to Step
5.
Repair the defective
connector.
STEP 5. Check the wiring harness
from F-02 power window main switch connector terminal Nos. 8, 9, 10
and 12 to F-14 front power window motor (RH) connector terminal Nos.
6, 2, 4 and 5.
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
6.
Repair the wiring
harness.
STEP 6. Retest the
system.
After the power window main switch is replaced,
check that the driver’s power window anti-trap function
works.
|
(1)Replace the power window main switch.
|
|
(2)Check that the driver’s power window
anti-trap function works.
|
Q.
Is the check result normal?
The procedure is
complete.
Replace the
front power window motor (RH).
STEP 7.
Connector check: F-06 front power window motor (LH)
connector
Q.
Is the check result normal?
Go to Step
8.
Repair the defective
connector.
STEP 8. Resistance measurement at
the F-06 front power window motor (LH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Continuity between F-06 front power window motor
(LH) connector terminal No.6 and body earth. OK:
Continuity exists (2 Ω or less)
|
Q.
Is the check result normal?
Go to Step 10.
Go to Step
9.
STEP 9. Check the wiring harness F-06
front power window motor (LH) connector terminal No.6 to body
earth.
note |
Prior to the wiring harness inspection,
check intermediate connector D-133 and repair if
necessary.
|
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
12.
Repair the wiring
harness.
STEP 10. Connector check: F-11
front power window sub switch (LH) connector
Q.
Is the check result normal?
Go to Step
11.
Repair the defective
connector.
STEP 11. Check the wiring harness
from F-11 front power window sub switch (LH) connector terminal Nos.
2, 3 and 8 to F-06 front power window motor (LH) connector terminal
Nos. 2, 5 and 4.
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
12.
Repair the wiring
harness.
STEP 12. Retest the
system.
After the front power window sub switch (LH) is
replaced, check that the front passenger’s anti-trap function 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 power
window anti-trap function works.
|
Q.
Is the check result normal?
The procedure is
complete.
Replace the
front power window motor (LH).
STEP 13.
Connector check: F-26 rear power window motor (RH)
connector
Q.
Is the check result normal?
Go to Step
14.
Repair the defective
connector.
STEP 14. Resistance measurement
at the F-26 rear power window motor (RH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Continuity between F-26 rear power window motor
(RH) connector terminal No.6 and body earth OK:
Continuity exists (2 Ω or less)
|
Q.
Is the check result normal?
Go to Step 16.
Go to Step
15.
STEP 15. Check the wiring harness from
F-26 rear power window motor (RH) connector terminal No.6 to body
earth.
note |
Prior to the wiring harness inspection,
check intermediate connector E-43, and repair if
necessary.
|
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
18.
Repair the wiring
harness.
STEP 16. Connector check: F-23 rear
power window sub switch (RH) connector
Q.
Is the check result normal?
Go to Step
17.
Repair the defective
connector.
STEP 17. Check the wiring harness
from F-23 rear power window sub switch (RH) connector terminal Nos.
2, 3 and 8 to F-26 rear power window motor (RH) connector terminal
Nos. 2, 5 and 4.
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
18.
Repair the wiring
harness.
STEP 18. Retest the
system.
After the rear power window sub switch (RH) is
replaced, check that the rear right door anti-trap function can be
operated by the power window sub switch.
|
(1)Replace the rear power window sub switch
(RH).
|
|
(2)Check that the rear right power window anti-trap
function works.
|
Q.
Is the check result normal?
The procedure is
complete.
Replace the
rear power window motor (RH).
STEP 19.
Connector check: F-20 rear power window motor (LH)
connector
Q.
Is the check result normal?
Go to Step
20.
Repair the defective
connector.
STEP 20. Resistance measurement
at the F-20 rear power window motor (LH) connector.
|
(1)Disconnect the connector, and measure at the
wiring harness side.
|
|
(2)Continuity between F-20 rear power window motor
(LH) connector terminal No.6 and body earth OK:
Continuity exists (2 Ω or less)
|
Q.
Is the check result normal?
Go to Step 22.
Go to Step
21.
STEP 21. Check the wiring harness from
F-20 rear power window motor (LH) connector terminal No.6 to body
earth.
note |
Prior to the wiring harness inspection,
check intermediate connector E-42, and repair if
necessary.
|
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
24.
Repair the wiring
harness.
STEP 22. Connector check: F-17 rear
power window sub switch (LH) connector
Q.
Is the check result normal?
Go to Step
23.
Repair the defective
connector.
STEP 23. Check the wiring harness
from F-17 rear power window sub switch (LH) connector terminal Nos.
2, 3 and 8 to F-20 rear power window motor (LH) connector terminal
Nos. 2, 5 and 4.
- Check the input and output lines to the revolution detection
sensor for open or short circuit.
Q.
Is the check result normal?
Go to Step
24.
Repair the wiring
harness.
STEP 24. Retest the
system.
After the rear power window sub switch (LH) is
replaced, check that the rear left door anti-trap function can be
operated by the power window sub switch.
|
(1)Replace the rear power window sub switch
(LH).
|
|
(2)Check that the rear left power window anti-trap
function works.
|
Q.
Is the check result normal?
The procedure is
complete.
Replace the
rear power window motor (LH).