2007 INFINITI QX56 battery

POWER WINDOW SYSTEM
GW-49
< SERVICE INFORMATION >
C
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GW
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1. Disconnect BCM.
2. Check continuity between BCM connector M20 terminal 69 and
rear power window control unit LH or RH connector D209 (LH),
D309 (RH) terminal 13.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M20 terminal 69 and
ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM. Refer to BCS-24, "
BCM".
Rear Power Window Switch LH or RH Power Supply and Ground Circuit Inspection
INFOID:0000000003533050
1.CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Turn ignition switch ON.
4. Check voltage between rear power window switch LH or RH
connector D203 (LH), D303 (RH) terminals 2, 3 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK POWER WINDOW GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH or RH.
3. Check continuity between rear power window switch LH or RH
connector D203 (LH), D303 (RH) terminals 1, 7 and ground.
OK or NG
OK >> Rear power window switch LH or RH power supply and
ground circuit is OK. Refer to GW-32, "
Trouble Diagno-
sis Symptom Chart".
NG >> Repair or replace harness.69 - 13 : Continuity should exist.
LIIA1352E
69 - Ground : Battery voltage
WIIA0508E
2 - Ground : Battery voltage
3 - Ground : Battery voltage
LIIA1348E
1 - Ground : Continuity should exist.
7 - Ground : Continuity should exist.
LIIA2044E

GW-50
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
Rear Power Window Motor LH Circuit Inspection
INFOID:0000000003533051
1.CHECK REAR POWER WINDOW SWITCH LH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch LH connector
D203 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch LH. Refer to EI-31, "Removal and Installation".
NG >> GO TO 2.
2.CHECK REAR POWER WINDOW SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch LH and rear power win-
dow control unit LH.
3. Check continuity between rear power window switch LH connec-
tor D203 terminals 4, 5 and rear power window control unit LH
connector D209 terminals 9, 10.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
1. Disconnect rear power window motor LH.
2. Check continuity between rear power window control unit LH
connector D209 terminals 11, 12 and rear power window motor
LH connector D204 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor LH. Refer to GW-62,
"Removal and Installation".
NG >> Repair or replace harness.
Rear Power Window Motor RH Circuit InspectionINFOID:0000000003533052
1.CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D2034
GroundClosing 0
Opening Battery voltage
5Closing Battery voltage
Opening 0
LIIA2365E
4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2 : Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E

POWER WINDOW SYSTEM
GW-51
< SERVICE INFORMATION >
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1. Turn ignition switch ON.
2. Check voltage between rear power window switch RH connector
D303 terminals 4, 5 and ground.
OK or NG
OK >> Replace rear power window switch RH. Refer to EI-31, "Removal and Installation".
NG >> GO TO 2.
2.CHECK REAR POWER WINDOW SWITCH RH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power window switch RH and rear power win-
dow control unit RH.
3. Check continuity between rear power window switch RH con-
nector D303 terminals 4, 5 and rear power window control unit
RH connector D309 terminals 9, 10.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK REAR POWER WINDOW MOTOR RH CIRCUIT
1. Disconnect rear power window motor RH.
2. Check continuity between rear power window control unit RH
connector D309 terminals 11, 12 and rear power window motor
RH connector D304 terminals 1, 2.
OK or NG
OK >> Replace rear power window motor RH. Refer to GW-62,
"Removal and Installation".
NG >> Repair or replace harness.
Limit Switch Circuit Inspection Rear LH and RHINFOID:0000000003533053
1.CHECK REAR POWER WINDOW MOTOR LH AND RH LIMIT SWITCH SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window control unit LH or
RH connector and ground.
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D3034
GroundClosing 0
Opening Battery voltage
5Closing Battery voltage
Opening 0
LIIA2365E
4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
11 - 2 : Continuity should exist.
12 - 1 : Continuity should exist.
LIIA1380E
ConnectorTe r m i n a l s
Condition Voltage (V)
(Approx.)
(+) (-)
LIIA2366E

GW-56
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
1. Turn ignition switch OFF.
2. Disconnect rear power vent window motor LH.
3. Turn ignition switch ON.
4. Check voltage between rear power vent window motor LH con-
nector B52 terminals 1, 2 and ground.
OK or NG
OK >> Replace rear power vent window motor LH. Refer to GW-65, "Removal and Installation".
NG >> Repair or replace harness.
Rear Power Vent Window Motor RH Circuit InspectionINFOID:0000000003533058
1.CHECK REAR POWER VENT WINDOW SWITCH RH SIGNAL
1. Turn ignition switch OFF.
2. Disconnect rear power vent window motor RH.
3. Turn ignition switch ON.
4. Check voltage between rear power vent window motor RH con-
nector B150 terminals 1, 2 and ground.
OK or NG
OK >> Replace rear power vent window motor RH. Refer to GW-65, "Removal and Installation".
NG >> Repair or replace harness.
Rear Power Vent Window Relay (OPEN) CheckINFOID:0000000003533059
1.CHECK REAR POWER VENT WINDOW RELAY (OPEN) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power vent window relay (OPEN).
3. Turn ignition switch ON.
4. Check voltage between rear power vent window relay (OPEN)
connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK REAR POWER VENT WINDOW RELAY (OPEN)
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
B521
GroundOpening Battery voltage
Closing 0
2Opening 0
Closing Battery voltage
LIIA0621E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
B1501
GroundOpening Battery voltage
Closing 0
2Opening 0
Closing Battery voltage
LIIA0621E
ConnectorTe r m i n a l s
Voltage (V)
(Approx.)
(+) (-)
M871
Ground Battery voltage
5
LIIA1565E

POWER WINDOW SYSTEM
GW-57
< SERVICE INFORMATION >
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Check continuity between rear power vent window relay (OPEN) ter-
minals 3 and 4, 3 and 5.
OK or NG
OK >> GO TO 3.
NG >> Replace rear power vent window relay (OPEN).
3.CHECK REAR POWER VENT WINDOW RELAY (OPEN) GROUND CIRCUIT
Check continuity between rear power vent window relay (OPEN)
connector M87 terminal 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK REAR POWER VENT WINDOW RELAY (OPEN) CIRCUIT
1. Disconnect rear power vent window switch.
2. Check continuity between rear power vent window relay (OPEN)
connector M87 terminal 2 and rear power vent window switch
connector R103 terminal 3.
OK or NG
OK >> Replace rear power vent window switch.
NG >> Repair or replace harness.
Rear Power Vent Window Relay (CLOSE) CheckINFOID:0000000003533060
1.CHECK REAR POWER VENT WINDOW RELAY (CLOSE) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear power vent window relay (CLOSE).
3. Turn ignition switch ON.
4. Check voltage between rear power vent window relay (CLOSE)
connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
Terminal Condition Continuity
3412V direct current supply
between terminals 1 and 2No
No current supply Yes
3512V direct current supply
between terminals 1 and 2Ye s
No current supply No
WIIA0291E
4 - Ground : Continuity should exist.
LIIA1567E
2 - 3 : Continuity should exist.
LIIA1568E
ConnectorTe r m i n a l s
Voltage (V)
(Approx.)
(+) (-)
M891
Ground Battery voltage
5
LIIA1565E

GW-76
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
1. Turn ignition switch OFF.
2. Disconnect BCM and front air control.
3. Check continuity between BCM connector M18 terminal 9 and
front air control connector M49 terminal 11.
4. Check continuity between BCM connector M18 terminal 9 and
ground
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK BCM OUTPUT SIGNAL
1. Connect BCM.
2. Turn ignition switch ON.
3. Check voltage between BCM connector M18 terminal 9 and
ground.
OK or NG
OK >> Replace front air control. Refer to ATC-123, "Removal
and Installation" .
NG >> Replace BCM. Refer to BCS-24, "
BCM" .
Rear Window Defogger Circuit InspectionINFOID:0000000003533078
1.CHECK FUSES
Check if any of the following fuses in IPDM E/R are blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear window defogger.
3. Turn ignition switch ON.
4. Check voltage between rear window defogger connector D406
terminal + and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 4.9 - 11 : Continuity should exist.
9 - Ground : Continuity should not exist.
LIIA2035E
9 - Ground : Approx. 5
WIIA0523E
COMPONENT PARTS AMPERE FUSE NO.
IPDM E/R 15A 46
IPDM E/R 15A 47
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D406 + GroundRear window defogger
switch ON. Battery voltage
Rear window defogger
switch OFF.0
LIIA0655E

REAR WINDOW DEFOGGER
GW-77
< SERVICE INFORMATION >
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3.CHECK REAR WINDOW DEFOGGER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear window defogger connector
D604 terminal - and ground.
OK or NG
OK >> Check filament. Refer to GW-80, "Filament Check".
• If filament is OK.
Check the condition of the harness and the connector.
• If filament is NG.
Repair filament.
NG >> Repair or replace harness.
4.CHECK REAR WINDOW DEFOGGER RELAY OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between IPDM E/R connector E124 terminal 60
and ground.
OK or NG
OK >> Replace IPDM E/R. Refer to PG-28, "Removal and Installation of IPDM E/R".
NG >> Repair or replace harness.
Door Mirror Defogger Power Supply Circuit InspectionINFOID:0000000003533079
1.CHECK FUSE
Check if any of the following fuses in fuse block (J/B) are blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT 2
Check voltage between IPDM E/R connector and ground.
OK or NG
OK >> GO TO 3.
NG >> Replace IPDM E/R. Refer to PG-28, "
Removal and Installation of IPDM E/R".
3.CHECK DOOR MIRROR DEFOGGER CIRCUIT- - Ground : Continuity should exist.
LIIA0409E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
E124 60 GroundRear window defogger
switch ON Battery voltage
Rear window defogger
switch OFF0
LIIA2190E
COMPONENT PARTS AMPERE FUSE NO.
IPDM E/R 15A 43
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
E120 23 GroundRear window defogger
switch ON Battery voltage
Rear window defogger
switch OFF0
LIIA0977E

GW-78
< SERVICE INFORMATION >
REAR WINDOW DEFOGGER
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R and door mirror LH or RH.
3. Check continuity between IPDM E/R connector E120 terminal
23 and door mirror connector D4 (LH) or D107 (RH) terminal 10.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace harness.
4.CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT
Check continuity between each door mirror connector D4 (LH) or
D107 (RH) terminal 11 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace harness.
5.CHECK DOOR MIRROR DEFOGGER
Check continuity between door mirror LH or RH terminals 10 and 11.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace malfunctioning door mirror LH or RH. Refer to
GW-84, "
Door Mirror Assembly".
Door Mirror LH (Door Mirror Defogger) Circuit InspectionINFOID:0000000003533080
1.CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door mirror LH.
3. Turn ignition switch ON.
4. Check voltage between door mirror LH connector and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace harness.
2.CHECK DOOR MIRROR DEFOGGER GROUND CIRCUIT23 - 10 : Continuity should exist.
WIIA0529E
11 - Ground : Continuity should exist.
LIIA1454E
10 - 11 : Continuity should exist.
LIIA2725E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D4 10 GroundRear window defogger
switch ON Battery voltage
Rear window defogger
switch OFF0
LIIA1456E