Nissan Maxima. Manual — part 938
POWER WINDOW SERIAL LINK
PWC-49
< DTC/CIRCUIT DIAGNOSIS >
[LH&RH FRONT WINDOW ANTI-PINCH]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
Is the inspection result normal?
YES
>> Replace main power window and door lock/unlock switch. Refer to
. After that, refer to
PWC-49, "FRONT POWER WINDOW SWITCH : Special Repair
NO
>> Repair or replace harness or connectors.
FRONT POWER WINDOW SWITCH : Special Repair Requirement
INFOID:0000000010051250
1.
PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure. Refer to
PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY
NEGATIVE TERMINAL : Special Repair Requirement"
PWC-7, "ADDITIONAL SERVICE WHEN
REPLACING CONTROL UNIT : Special Repair Requirement"
.
>> GO TO 2
2.
CHECK ANTI-PINCH OPERATION
Check anti-pinch operation. Refer to
PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGA-
TIVE TERMINAL : Special Repair Requirement"
PWC-7, "ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement"
>> End.
BCM connector
Terminal
Ground
Continuity
M18 (A)
40
No
PWC-50
< DTC/CIRCUIT DIAGNOSIS >
[LH&RH FRONT WINDOW ANTI-PINCH]
POWER WINDOW LOCK SWITCH
POWER WINDOW LOCK SWITCH
Component Function Check
INFOID:0000000010051251
1.
CHECK POWER WINDOW LOCK
Activate the power window lock switch and verify that the front power window RH, rear power window LH and
rear power window RH are inoperative.
Is the inspection result normal?
YES
>> Power window lock switch is OK.
NO
>> Refer to
PWC-50, "Component Inspection"
Component Inspection
INFOID:0000000010051252
1.
CHECK POWER WINDOW LOCK SWITCH
1. Disconnect main power window and door lock/unlock switch connectors.
2. Check continuity between main power window and door lock/unlock switch (lock operation).
3. Check continuity between main power window and door lock/unlock switch (unlock operation).
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Replace main power window and door lock/unlock switch. Refer to
. After that, refer to
PWC-50, "Special Repair Requirement"
Special Repair Requirement
INFOID:0000000010051253
1.
PERFORM INITIALIZATION PROCEDURE
Perform initialization procedure. Refer to
PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY
NEGATIVE TERMINAL : Special Repair Requirement"
PWC-7, "ADDITIONAL SERVICE WHEN
REPLACING CONTROL UNIT : Special Repair Requirement"
.
>> GO TO 2
Terminal
Main power window and door lock/unlock switch condition
Continuity
3
17
Rear LH
UP
No
5
Rear RH
1
Rear LH
NEUTRAL
3
5
Rear RH
7
1
Rear LH
DOWN
7
Rear RH
Terminal
Main power window and door lock/unlock switch condition
Continuity
3
17
Rear LH
UP
Yes
5
Rear RH
1
Rear LH
NEUTRAL
3
5
Rear RH
7
1
Rear LH
DOWN
7
Rear RH
POWER WINDOW LOCK SWITCH
PWC-51
< DTC/CIRCUIT DIAGNOSIS >
[LH&RH FRONT WINDOW ANTI-PINCH]
C
D
E
F
G
H
I
J
L
M
A
B
PWC
N
O
P
2.
CHECK ANTI-PINCH OPERATION
Check anti-pinch operation. Refer to
PWC-7, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGA-
TIVE TERMINAL : Special Repair Requirement"
PWC-7, "ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement"
>> End.
PWC-52
< ECU DIAGNOSIS INFORMATION >
[LH&RH FRONT WINDOW ANTI-PINCH]
POWER WINDOW MAIN SWITCH
ECU DIAGNOSIS INFORMATION
POWER WINDOW MAIN SWITCH
Reference Value
INFOID:0000000010051254
TERMINAL LAYOUT
PHYSICAL VALUES
MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
LIIA2455E
Terminal No.
Description
Condition
Voltage [V]
(Approx.)
+
-
Signal name
Input/
Output
1
(W)
Ground
Rear power window motor LH
UP signal
Output
When rear LH switch in
main power window and
door lock/unlock switch is
operated UP.
Battery voltage
2
(GR)
Ground Encoder ground
—
—
0
3
(Y)
Ground
Rear power window motor LH
DOWN signal
Output
When rear LH switch in
main power window and
door lock/unlock switch is
operated DOWN.
Battery voltage
4
(L)
Ground
Door key cylinder switch LH
LOCK signal
Input
Key position
(Neutral
→ Locked)
5
→ 0
5
(SB)
Ground
Rear power window motor RH
DOWN signal
Output
When rear RH switch in
main power window and
door lock/unlock switch is
operated DOWN.
Battery voltage
6
(R)
Ground
Door key cylinder switch LH
UNLOCK signal
Input
Key position
(Neutral
→ Unlocked)
5
→ 0
7
(P)
Ground
Rear power window motor RH
UP signal
Output
When rear RH switch in
main power window and
door lock/unlock switch is
operated UP.
Battery voltage
8
(L)
11
Front door power window mo-
tor LH UP signal
Output
When front LH switch in
main power window and
door lock/unlock switch is
operated UP.
Battery voltage
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