Nissan Pathfinder. Manual — part 949
PWC-92
< BASIC INSPECTION >
[LH & RH FRONT AUTO UP/DOWN]
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
Description
INFOID:0000000009176193
When the negative battery terminal is disconnected, the initialization is necessary for normal operation of
power window system.
CAUTION:
The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function
Work Procedure
INFOID:0000000009176194
1.
SYSTEM INITIALIZATION
Perform system initialization. Refer to
>> GO TO 2.
2.
CHECK ANTI-PINCH FUNCTION
Check anti-pinch function. Refer to
>> Inspection End.
SYSTEM INITIALIZATION
PWC-93
< BASIC INSPECTION >
[LH & RH FRONT AUTO UP/DOWN]
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SYSTEM INITIALIZATION
Description
INFOID:0000000009176195
If any of the following operations are performed, the initialization is necessary for normal operation of power
window system.
• When control unit replaced.
• Electric power supply to power window switch or motor is interrupted by blown fuse or disconnection and
connection of the negative battery terminal.
• Removal and installation of regulator assembly.
• Power supply to the power window main switch or power window motor is cut off by the removal
of battery terminal or if the battery fuse is blown.
• Disconnection and connection of power window main switch harness connector.
• Removal and installation of motor from regulator assembly.
• Operation of regulator assembly as an independent unit.
• Removal and installation of door glass.
• Removal and installation of door glass run.
The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function
Work Procedure
INFOID:0000000009176196
1.
STEP 1
1. Disconnect battery negative terminal or power main switch connector. Reconnect it after a minute or
more.
2. Turn ignition switch ON.
3. Operate the power window switch to fully open the window. (This operation is not necessary if the window
is already fully open).
4. Continue pulling the power window switch UP (AUTO-UP operation). Even after the glass stops at fully
closed position, keep pulling the switch for 4 seconds or more.
5. Retest the AUTO-UP function operation.
>> GO TO 2.
2.
STEP 2
Check anti-pinch function. Refer to
>> Inspection End.
PWC-94
< BASIC INSPECTION >
[LH & RH FRONT AUTO UP/DOWN]
CHECK ANTI-PINCH FUNCTION
CHECK ANTI-PINCH FUNCTION
Description
INFOID:0000000009176197
If any of the following operations are performed, the initialization is necessary for normal operation of power
window system.
• When control unit is replaced.
• Electric power supply to power window switch or motor is interrupted by blown fuse or disconnection and
connection of the negative battery terminal.
• Removal and installation of regulator assembly.
• Power supply to the power window main switch or power window motor is cut off by the removal
of battery terminal or if the battery fuse is blown.
• Disconnection and connection of power window main switch harness connector.
• Removal and installation of motor from regulator assembly.
• Operation of regulator assembly as an independent unit.
• Removal and installation of door glass.
• Removal and installation of door glass run.
The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function
Work Procedure
INFOID:0000000009176198
1.
CHECK ANTI-PINCH FUNCTION
• Fully open the door window.
• Place a piece of wood near fully closed position.
• Close door glass completely with AUTO-UP.
• Check the following conditions
- Check that glass lowers for approximately 150 mm (5.91 in.) without pinching piece of wood and stops.
- Check that glass does not rise not when operating the power window main switch while lowering.
CAUTION:
• Perform initial setting when AUTO-UP operation or anti-pinch function does not operate normally.
• Check that AUTO-UP operates before inspection when system initialization is performed.
• Do not check with hands and other body parts because they may be pinched. Do not get pinched.
>> Inspection End.
POWER SUPPLY AND GROUND CIRCUIT
PWC-95
< DTC/CIRCUIT DIAGNOSIS >
[LH & RH FRONT AUTO UP/DOWN]
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000009781492
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse or fusible link blown?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK POWER SUPPLY CIRCUIT
1. Disconnect BCM connector M81.
2. Check voltage between BCM connector M81 terminals 131, 139 and ground.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Repair or replace harness or connectors.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector M81 terminals 134, 143 and ground.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Repair or replace harness or connectors.
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Description
INFOID:0000000009176200
• BCM supplies power.
• It operates each power window motor via corresponding power window switch and makes window move up/
down when main power window and door lock/unlock switch is operated.
Terminal No.
Signal name
Fuse and fusible link No.
139
Fusible link battery power
O (40A)
131
BCM battery fuse
1 (10A)
BCM
Ground
Voltage
(Approx.)
Connector
Terminal
M81
131
—
Battery voltage
139
BCM
Ground
Continuity
Connector
Terminal
M81
134
—
Yes
143
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