2007 INFINITI QX56 battery

POWER WINDOW SYSTEM
GW-29
< SERVICE INFORMATION >
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outINFOID:0000000003533029
Terminal and Reference Value for Main Power Window and Door Lock/Unlock Switch
INFOID:0000000003533030
LIIA2455E
Terminal Wire Color Item ConditionVoltage (V)
(Approx.)
2 W/B Limit switch and encoder ground — 0
4LFront door key cylinder switch LH
lock signalKey position
(Neutral → Unlocked)5 → 0
6RFront door key cylinder LH switch
unlock signalKey position
(Neutral → Locked)5 → 0
8G/RFront power window motor LH UP
signalWhen power window motor is op-
erated UP Battery voltage
9 O Limit switch signalFront power window LH is be-
tween fully-open and just before
fully-closed position (ON)0
Front power window LH is be-
tween just before fully-closed po-
sition and fully-closed position
(OFF)5
10 W/L RAP signalWhen ignition switch ON Battery voltage
Within 45 seconds after ignition
switch is turned to OFFBattery voltage
More than 45 seconds after igni-
tion switch is turned to OFF0
When front door LH or RH open
or power window timer operates0
11 G / WFront power window motor LH
DOWN signalWhen power window motor is op-
erated DOWN Battery voltage
13 G/Y Encoder pulse signalWhen power window motor oper-
ates
14 LG/W Power window serial linkWhen ignition switch ON or power
window timer operates
OCC3383D
PIIA2344J

GW-30
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
Power Window and Door Lock/Unlock Switch RH Harness Connector Terminal Layout
INFOID:0000000003533031
Terminal and Reference Value for Power Window and Door Lock/Unlock Switch RH
INFOID:0000000003533032
15 BR Encoder power supplyWhen ignition switch ON or power
window timer operates10
17 B Ground — 0
19 W/R Battery power supply — Battery voltage Terminal Wire Color Item ConditionVoltage (V)
(Approx.)
LIIA2454E
Terminal Wire Color Item ConditionVoltage (V)
(Approx.)
3 W/B Limit switch and encoder ground — 0
4 G/R Encoder power supplyWhen ignition switch ON or power
window timer operates10
8LFront power window motor RH UP
signalWhen power window motor is op-
erated UP Battery voltage
9GFront power window motor RH
DOWN signalWhen power window motor is op-
erated DOWN Battery voltage
10 W/R Battery power supply — Battery voltage
11 B G r o u n d — 0
12 G/Y Encoder pulse signalWhen power window motor oper-
ates
OCC3383D

GW-34
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
BCM Power Supply and Ground Circuit Inspection
INFOID:0000000003533037
Refer to BCS-15, "BCM Power Supply and Ground Circuit Inspection".
Main Power Window and Door Lock/Unlock Switch Power Supply and Ground Circuit
Inspection
INFOID:0000000003533038
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/
unlock switch connector D7 terminal 10, D8 terminal 19 and
ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch.
3. Check continuity between main power window and door lock/
unlock switch connector D8 terminal 17 and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace harness.
3.CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and main power window and door lock/unlock
switch.
3. Check continuity between BCM connector and main power win-
dow and door lock/unlock switch connectors.
4. Check continuity between BCM and ground.
Power windows do not operate by front door lock assembly LH (key
cylinder switch)1. Front door lock assembly LH (key cylinder
switch) checkGW-44
2. Replace main power window and door lock/
unlock switchEI-31
Power window lock switch does not function 1. Power window lock switch circuit checkGW-46
Symptom Repair order Refer to page
10 - Ground : Battery voltage
19 - Ground : Battery voltage
LIIA2297E
17 - Ground : Continuity should exist.
LIIA0392E
Connector
Te r m i n a lConnector
Terminal Continuity
AB
BCM: M2068Main power window and
door lock/unlock switch:
D710 Yes
69C
19 Yes Main power window and
door lock/unlock switch:
D8
LIIA2215E

POWER WINDOW SYSTEM
GW-35
< SERVICE INFORMATION >
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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 terminals 68, 69
and ground.
OK or NG
OK >> Check the condition of the harness and the connector.
NG >> Replace BCM. Refer to BCS-24, "
BCM".
Power Window and Door Lock/Unlock Switch RH Power Supply and Ground Circuit In-
spection
INFOID:0000000003533039
1.CHECK POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between power window and door lock/unlock
switch RH connector D105 terminal 10 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock
switch RH connector D105 terminal 11 and ground.
OK or NG
OK >> Power supply and ground circuit are OK.
NG >> Repair or replace harness.
3.CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH POWER SUPPLY CIRCUIT
Connector
Te r m i n a l
GroundContinuity
A
BCM: M2068 No
69 No
68 - Ground : Battery voltage
69 - Ground : Battery voltage
LIIA0917E
10 - Ground : Battery voltage
LIIA1257E
11 - Ground : Continuity should exist.
LIIA1258E

GW-36
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
1. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check continuity between BCM connector M20 (A) terminal 69
and power window and door lock/unlock switch RH connector
D105 (B) terminal 10.
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" .
Front Power Window Motor LH Circuit InspectionINFOID:0000000003533040
1.CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/
unlock switch connector D7 terminals 8, 11 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace main power window and door lock/unlock switch. Refer to EI-31, "
Removal and Installa-
tion".
2.CHECK POWER WINDOW MOTOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch and
front power window motor LH.
3. Check continuity between main power window and door lock/
unlock switch connector D7 terminals 8, 11 and front power win-
dow motor LH connector D9 terminals 1, 2.
OK or NG
OK >> Replace front power window motor LH. Refer to GW-59.
NG >> Repair or replace harness.69 - 10 : Continuity should exist.
LIIA2298E
69 - Ground : Battery voltage
WIIA0508E
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D78
GroundUP Battery voltage
DOWN 0
11UP 0
DOWN Battery voltage
LIIA0317E
8 - 2 : Continuity should exist.
11 - 1 : Continuity should exist.
LIIA1260E

POWER WINDOW SYSTEM
GW-37
< SERVICE INFORMATION >
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Front Power Window Motor RH Circuit InspectionINFOID:0000000003533041
1.CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH OUTPUT SIGNAL
1. Connect power window and door lock/unlock switch RH.
2. Turn ignition switch ON.
3. Check voltage between power window and door lock/unlock
switch RH connector D105 terminals 8, 9 and ground.
OK or NG
OK >> GO TO 2.
NG >> Replace power window and door lock/unlock switch RH. Refer to EI-31, "
Removal and Installa-
tion".
2.CHECK FRONT POWER WINDOW MOTOR RH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front power window motor RH and power window
and door lock/unlock switch RH.
3. Check continuity between power window and door lock/unlock
switch RH connector D105 terminals 8, 9 and front power win-
dow motor RH connector D104 terminals 1, 2.
OK or NG
OK >> Replace front power window motor RH. Refer to GW-59
.
NG >> Repair or replace harness.
Limit Switch Circuit Inspection Front LHINFOID:0000000003533042
1.CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH LIMIT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between main power window and door lock/
unlock switch connector D7 termimal 9 and ground.
OK or NG
OK >> Limit switch circuit is OK.
NG >> GO TO 2.
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D1059
GroundUP 0
DOWN Battery voltage
8UP Battery voltage
DOWN 0
LIIA1261E
8 - 2 : Continuity should exist.
9 - 1 : Continuity should exist.
LIIA1262E
ConnectorTe r m i n a l
Condition Voltage (V)
(Approx.)
(+) (-)
D7 9 GroundFront power window LH is
between fully-open and just
before fully-closed position
(ON)0
Front power window LH is
between just before fully-
closed position and fully-
closed position (OFF)5
LIIA0339E

GW-44
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
Check voltage between BCM connector and ground.
OK or NG
OK >> Front door switch is OK.
NG >> GO TO 2.
2.CHECK FRONT DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front door switch LH or RH and BCM.
3. Check continuity between front door switch connector B8 (LH)
or B108 (RH) terminal 2 and BCM connector M19 terminal 47
(LH) or connector M18 terminal 12 (LH).
4. Check continuity between front door switch connector B8 (LH)
or B108 (RH) terminal 2 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
3.CHECK DOOR SWITCH
Check continuity between each front door switch terminal 2 and
body ground part of front door switch.
OK or NG
OK >> Replace BCM. Refer to BCS-24, "BCM".
NG >> Replace malfunctioning front door switch.
Front Door Lock Assembly LH (Key Cylinder Switch) CheckINFOID:0000000003533047
1.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) INPUT SIGNAL
With CONSULT-II
Item ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
Front RH M18 12
GroundOPEN 0
CLOSE Battery voltage
Front LH M19 47OPEN 0
CLOSE Battery voltage
LIIA0946E
Front LH
2 - 47 : Continuity should exist.
Front RH
2 - 12 : Continuity should exist.
2 - Ground : Continuity should not exist.
LIIA0947E
Terminal Door switch Continuity
2Body ground part
of front door
switchPushed No
Released Yes
LIIA2377E

GW-48
< SERVICE INFORMATION >
POWER WINDOW SYSTEM
1. Disconnect BCM.
2. Check continuity between BCM connector M18 terminal 22 and
main power window and door lock/unlock switch connector D7
terminal 14.
3. Check continuity between BCM connector M18 terminal 22 and
power window and door lock/unlock switch RH connector D105
terminal 16.
OK or NG
OK >> Replace main power window and door lock/unlock
switch or power window and door lock/unlock switch
RH. Refer to EI-31, "
Removal and Installation".
NG >> Repair or replace harness.
Rear Power Window Control Unit LH or RH Power Supply and Ground Circuit Inspec-
tion
INFOID:0000000003533049
1.CHECK POWER WINDOW POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Rear power window control unit LH.
3. Turn ignition switch ON.
4. Check voltage between rear power window control unit LH or
RH connector D209 (LH), D309 (RH) terminal 13 and ground.
OK or NG
OK >> GO TO 2.
NG >> GO TO 3.
2.CHECK POWER WINDOW GROUND CIRCUIT
1. Disconnect rear power window control unit LH or RH.
2. Check continuity between rear power window control unit LH or
RH connector D209 (LH), D309 (RH) terminal 15 and ground.
OK or NG
OK >> Rear power window control unit LH or RH power supply
and ground circuit is OK. Refer to GW-32, "
Trouble
Diagnosis Symptom Chart".
NG >> Repair or replace harness.
3.CHECK REAR POWER WINDOW CONTROL UNIT LH OR RH POWER SUPPLY CIRCUIT 22 - 14 : Continuity should exist.
LIIA0394E
22 - 16 : Continuity should exist.
LIIA1271E
13 - Ground : Battery voltage
LIIA1346E
15 - Ground : Continuity should exist.
LIIA2043E