Infiniti QX56 (Z62). Manual — part 1030
PWC-32
< BASIC INSPECTION >
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
Description
INFOID:0000000006274849
When the control unit replaced, the initialization in 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:0000000006217285
1.
SYSTEM INITIALIZATION
Perform system initialization. Refer to
>> GO TO 2.
2.
CHECK ANTI-PINCH FUNCTION
Check anti-pinch function. Refer to
>> END
SYSTEM INITIALIZATION
PWC-33
< BASIC INSPECTION >
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SYSTEM INITIALIZATION
Description
INFOID:0000000006274850
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 terminal of battery, etc.
• 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:0000000006274851
1.
STEP 1
1.
Turn ignition switch ON.
2.
Operate power window switch to fully open the window. (This operation is unnecessary if the window is
already fully open)
3.
Continue pulling the power window switch UP (AUTO-UP operation). Even after glass stops at fully closed
position, keep pulling the switch for 2 seconds or more.
4.
Check that AUTO-UP function operates normally.
>> GO TO 2.
2.
STEP 2
Check anti-pinch function. Refer to
>> END
PWC-34
< BASIC INSPECTION >
CHECK ANTI-PINCH FUNCTION
CHECK ANTI-PINCH FUNCTION
Description
INFOID:0000000006274852
If any of the following operations are performed, the initialization is necessary for normal operation of anti-
pinch function.
• 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 terminal of battery, etc.
• 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:0000000006274853
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 (5.9 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.
>> END
POWER SUPPLY AND GROUND CIRCUIT
PWC-35
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
POWER WINDOW MAIN SWITCH
POWER WINDOW MAIN SWITCH : Diagnosis Procedure
INFOID:0000000006217290
1.
CHECK POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect power window main switch connectors.
3.
Turn ignition switch ON.
4.
Check voltage between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check continuity between BCM harness connector and power window main switch harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM. Refer to
BCS-81, "Removal and Installation"
.
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Check continuity between power window main switch harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
(+)
(–)
Voltage (V)
(Approx.)
Power window main switch
Connector
Terminal
D5
10
Ground
12
D6
19
BCM
Power window main switch
Continuity
Connector
Terminal
Connector
Terminal
M70
68
D5
10
Existed
69
D6
19
BCM
Ground
Continuity
Connector
Terminal
M70
68
Not existed
69
Power window main switch
Ground
Continuity
Connector
Terminal
D6
17
Existed
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