2006 INFINITI QX56 Factory Service Manual

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Page 2177 of 3383

INFINITI QX56 2006 Factory Service Manual GW-32
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Terminal and Reference Value for BCMEIS005XU
Terminal Wire ColorItemCondition Voltage (V)
(Approx.)
11 O Ignition switch (ACC or ON) Ignitio

Page 2178 of 3383

INFINITI QX56 2006 Factory Service Manual POWER WINDOW SYSTEMGW-33
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Revision: November 2009 2006 QX56
Work FlowEIS005XV
1. Check the symptom and customers requests.
2. Understand the outline of system. Refer to GW-16

Page 2179 of 3383

INFINITI QX56 2006 Factory Service Manual GW-34
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
4. Touch “BCM”.
If “BCM ” is not indicated, refer to GI-40, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
5. Touch “RETAINED

Page 2180 of 3383

INFINITI QX56 2006 Factory Service Manual POWER WINDOW SYSTEMGW-35
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Trouble Diagnoses Symptom ChartEIS005XX
Check that other systems using the signal of the following systems operate

POWER WINDOW SYSTEMGW-35
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Revision: November 2009 2006 QX56
Trouble Diagnoses Symptom ChartEIS005XX
Check that other systems using the signal of the following systems operate normally.
DOOR SW-DRIndicates (ON/OFF) condition of front door switch driver side
DOOR SW-AS Indicates (ON/OFF) condition of front door switch passenger side
Symptom Repair orderRefer to page
None of the power windows can be operated using any switch 1. BCM power supply and ground circuit check
GW-37
2. Main power window and door lock/unlock
power supply and ground circuit checkGW-38
3. Power window serial link check front LH and
RHGW-39
Front power window LH alone does not operate 1. Main power window and door lock/unlock
power supply and ground circuit check
GW-382. Front power window motor LH circuit check
GW-40
3. Replace main power window and door lock/
unlock switch EI-32
Front power window RH alone does not operate 1. Power window and door lock/unlock switch
RH power supply and ground circuit check
GW-392. Power window serial link check front LH and
RHGW-51
3. Front power window motor RH circuit check
GW-41
4. Replace BCMBCS-20
Rear power window LH alone does not operate 1. Rear power window control unit LH or RH
power supply and ground circuit check
GW-53
2. Rear power window switch LH or RH power
supply and ground circuit checkGW-54
3. Rear power window motor LH circuit check
GW-54
4. Power window serial link check rear LH and
RHGW-59
5. Replace BCM
BCS-20
Rear power window RH alone does not operate 1. Rear power window control unit LH or RH
power supply and ground circuit check
GW-53
2. Rear power window switch LH or RH power
supply and ground circuit checkGW-54
3. Rear power window motor RH circuit check
GW-55
4. Power window serial link check rear LH and
RHGW-59
5. Replace BCM
BCS-20
Rear power vent windows do not operate 1. Rear power vent window switch circuit checkGW-61
Rear power vent window LH alone does not operate 1. Rear power vent window motor LH circuit
checkGW-61
Rear power vent window RH alone does not operate
1. Rear power vent window motor RH circuit
checkGW-61
Rear power vent windows do not open 1. Rear power vent window relay (OPEN)
check
GW-61
Rear power vent windows do not close 1. Rear power vent window relay (CLOSE)
checkGW-61

Page 2181 of 3383

INFINITI QX56 2006 Factory Service Manual GW-36
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Anti-pinch system does not operate normally (Front LH)1. Door window sliding part malfunction
A foreign material adheres to window glass
or

GW-36
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Anti-pinch system does not operate normally (Front LH)1. Door window sliding part malfunction
A foreign material adheres to window glass
or glass run rubber.
Glass run rubber wear or deformation.
Sash is tilted too much, or not enough.
—
2. Limit switch adjusting GW-66
3. Limit switch circuit check front LHGW-41
4. Encoder circuit check front LHGW-44
Anti-pinch system does not operate normally (Front RH) 1. Door window sliding part malfunction
A foreign material adheres to window glass
or glass run rubber.
Glass run rubber wear or deformation.
Sash is tilted too much, or not enough.
—
2. Limit switch adjusting GW-66
3. Limit switch circuit check front RHGW-43
4. Encoder circuit check front RHGW-46
Anti-pinch system does not operate normally (Rear LH) 1. Door window sliding part malfunction
A foreign material adheres to window glass
or glass run rubber.
Glass run rubber wear or deformation.
Sash is tilted too much, or not enough.
—
2. Limit switch adjusting GW-66
3. Limit switch circuit check rear LH or RHGW-56
4. Encoder circuit check rear LH or RHGW-58
Anti-pinch system does not operate normally (Rear RH) 1. Door window sliding part malfunction
A foreign material adheres to window glass
or glass run rubber.
Glass run rubber wear or deformation.
Sash is tilted too much, or not enough.
—
2. Limit switch adjusting GW-66
3. Limit switch circuit check rear LH or RHGW-56
4. Encoder circuit check rear LH or RHGW-58
Power window retained power operation does not operate properly 1. Check the retained power operation mode
setting.
GW-342. Door switch check
GW-48
3. Replace BCM.BCS-20
Power windows do not operate by front door lock assembly LH
(key cylinder switch) 1. Front door lock assembly LH (key cylinder
switch) check
GW-49
2. Replace main power window and door lock/
unlock switch
EI-32
Power window lock switch does not function
1. Power window lock switch circuit checkGW-51
Symptom Repair orderRefer to page

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INFINITI QX56 2006 Factory Service Manual POWER WINDOW SYSTEMGW-37
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Revision: November 2009 2006 QX56
BCM Power Supply and Ground Circuit CheckEIS005XY
1. CHECK FUSE AND FUSIBLE LINK
Check 10A fuse (No. 4, located in

Page 2183 of 3383

INFINITI QX56 2006 Factory Service Manual GW-38
POWER WINDOW SYSTEM
Revision: November 20092006 QX56
Main Power Window and Door Lock/Unlock Switch Power Supply and Ground
Circuit Check
EIS005XZ
1. CHECK POWER SUPPLY CIRCUIT
1. Turn ignition

Page 2184 of 3383

INFINITI QX56 2006 Factory Service Manual POWER WINDOW SYSTEMGW-39
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Revision: November 2009 2006 QX56
4. CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20

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