2010 INFINITI QX56 battery

PWC-18
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK POWER WINDOW MOTOR
Check front power window motor LH.
Refer to PWC-18, "
DRIVER SIDE : Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> Replace power window motor LH. Refer to GW-15, "
Removal and Installation".
DRIVER SIDE : Component InspectionINFOID:0000000005147184
COMPONENT INSPECTION
1. CHECK FRONT POWER WINDOW MOTOR LH
Does motor operate by connecting the battery voltage directly to power window motor?
Is the inspection result normal?
YES >> Front power window motor LH is OK.
NO >> Replace front power window motor LH. Refer to GW-15, "
Removal and Installation".
PASSENGER SIDE
PASSENGER SIDE : DescriptionINFOID:0000000005147185
Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch or
power window and door lock/unlock switch RH.
PASSENGER SIDE : Component Function CheckINFOID:0000000005147186
1. CHECK POWER WINDOW MOTOR CIRCUIT
Does power window motor operate with operating main power window and door lock/unlock switch or power
window and door lock/unlock switch RH?
Is the inspection result normal?
YES >> Front power window motor RH is OK.
NO >> Refer to PWC-18, "
PASSENGER SIDE : Diagnosis Procedure".
PASSENGER SIDE : Diagnosis ProcedureINFOID:0000000005147187
Regarding Wiring Diagram information, refer to PWC-68, "Wiring Diagram".
1. CHECK FRONT POWER WINDOW SWITCH RH OUTPUT SIGNAL
Main power window and door
lock/unlock switch connector Te r m i n a l
GroundContinuity
D7 (A) 8
No
11
Te r m i n a l Motor condition
(+) (–)
12 D OW N
21 U P
Revision: April 20092010 QX56

POWER WINDOW MOTORPWC-19
< COMPONENT DIAGNOSIS >
C
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M A
B
PWC
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1. Disconnect front power window motor RH.
2. Turn ignition switch ON.
3. Check voltage between front power window motor RH connector and ground.
Is the measurement value within the specification?
YES >> GO TO 2
NO >> Replace power window and door lock/unlock switch RH. Refer to PWC-118, "
Removal and Instal-
lation".
2. CHECK HARNESS CONTINUITY
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 and front power window motor RH connec-
tor.
4. Check continuity between power window and door lock/unlock switch RH connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK FRONT POWER WINDOW MOTOR RH
Check front power window motor RH.
Refer to PWC-19, "
PASSENGER SIDE : Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> Replace front power window motor RH. Refer to GW-15, "
Removal and Installation".
PASSENGER SIDE : Component InspectionINFOID:0000000005147188
COMPONENT INSPECTION
1. CHECK FRONT POWER WINDOW MOTOR RH
Does motor operate by connecting the battery voltage directly to front power window motor RH?
Te r m i n a l Front power
window motor RH condition Voltage (V)
(Approx.)
(+)
(–)
Front power window
motor RH connector Te r m i n a l
D104 2
Ground UP Battery voltage
DOWN 0
1 UP
0
DOWN Battery voltage
ALKIA1302ZZ
Power window and door lock/unlock
switch RH connector Te r m i n a l
Front power window
motor RH connector
Terminal Continuity
D105 (A) 8
D104 (B) 2
Ye s
91
Power window and door
lock/unlock switch RH con- nector Terminal
Ground Continuity
D105 (A) 8
No
9
ALKIA1020ZZ
Revision: April 20092010 QX56

PWC-20
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
Is the inspection result normal?
YES >> Front power window motor RH is OK.
NO >> Replace front power window motor RH. Refer to GW-15, "
Removal and Installation".
REAR LH
REAR LH : DescriptionINFOID:0000000005147189
Door glass moves UP/DOWN by receiving the signal from power window main switch or rear power window
switch LH.
REAR LH : Componen t Function CheckINFOID:0000000005147190
1. CHECK REAR POWER WINDOW MOTOR LH CIRCUIT
Does rear power window motor LH operate with main power window and door lock/unlock switch or rear
power window switch LH?
Is the inspection result normal?
YES >> Rear power window motor LH is OK.
NO >> Refer to PWC-20, "
REAR LH : Diagnosis Procedure".
REAR LH : Diagnosis ProcedureINFOID:0000000005147191
Regarding Wiring Diagram information, refer to PWC-53, "Wiring Diagram".
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.
Is the inspection result normal?
YES >> Replace rear power window switch LH. Refer to PWC-119, "Removal and Installation".
NO >> GO TO 2
2. CHECK REAR POWER WINDOW SWITCH LH CIRCUIT
Te r m i n a l Motor condition
(+) (–)
12 D OW N
21 U P
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D203 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E
Revision: April 20092010 QX56

POWER WINDOW MOTORPWC-21
< COMPONENT DIAGNOSIS >
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M A
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PWC
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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.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR LH
Check rear power window motor LH.
Refer to PWC-21, "
REAR LH : Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> Replace rear power window motor LH. Refer to GW-15, "
Removal and Installation".
REAR LH : Component InspectionINFOID:0000000005147192
COMPONENT INSPECTION
1. CHECK REAR POWER WINDOW MOTOR LH
Does motor operate by connecting the battery voltage directly to rear power window motor LH?
Is the inspection result normal?
YES >> Rear power window motor LH is OK.
NO >> Replace rear power window motor LH. Refer to GW-18, "
Removal and Installation".
REAR RH
REAR RH : DescriptionINFOID:0000000005147193
Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch or
rear power window switch RH.
REAR RH : Component Function CheckINFOID:0000000005147194
1. CHECK REAR POWER WINDOW MOTOR RH CIRCUIT
Does rear power window motor RH operate with operat ing main power window and door lock/unlock switch or
rear power window switch RH?
Is the inspection result normal?
YES >> Rear power window motor RH is OK.
NO >> Refer to PWC-21, "
REAR RH : Diagnosis Procedure".
REAR RH : Diagnosis ProcedureINFOID:0000000005147195
Regarding Wiring Diagram information, refer to PWC-53, "Wiring Diagram".
4 - 9
: Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
Te r m i n a l
Motor condition
(+) (–)
21 D OW N
12 U P
Revision: April 20092010 QX56

PWC-22
< COMPONENT DIAGNOSIS >
POWER WINDOW MOTOR
1. CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between rear power window switch RH connector D303 terminals 4, 5 and ground.
Is the inspection result normal?
YES >> Replace rear power window switch RH. Refer to PWC-119, "Removal and Installation".
NO >> 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.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR RH
Check rear power window motor RH.
Refer to PWC-22, "
REAR RH : Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> Replace rear power window motor RH. Refer to GW-18, "
Removal and Installation".
REAR RH : Component InspectionINFOID:0000000005147196
COMPONENT INSPECTION
1. CHECK REAR POWER WINDOW MOTOR RH
Does motor operate by connecting the battery voltage directly to rear power window motor RH?
Is the inspection result normal?
YES >> Rear power window motor RH is OK.
NO >> Replace rear power window motor RH. Refer to GW-18, "
Removal and Installation".
ConnectorTe r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
D303 4
Ground Closing
0
Opening Battery voltage
5 Closing Battery voltage
Opening 0
LIIA2365E
4 - 9 : Continuity should exist.
5 - 10 : Continuity should exist.
LIIA1379E
Te r m i n a l
Motor condition
(+) (–)
21 D OW N
12 U P
Revision: April 20092010 QX56

PWC-34
< COMPONENT DIAGNOSIS >
DOOR SWITCH
DOOR SWITCH
DescriptionINFOID:0000000005147209
Detects door open/close condition and transmits the signal to BCM.
Component Function CheckINFOID:0000000005147210
1. CHECK FRONT DOOR SWITCH INPUT SIGNAL
Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-III. Refer to BCS-
27, "RETAINED PWR : CONSULT-III Function (BCM - RETAINED PWR)".
Is the inspection result normal?
YES >> Front door switch circuit is OK.
NO >> Refer to PWC-34, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005147211
Regarding Wiring Diagram information, refer to PWC-53, "Wiring Diagram".
1. CHECK FRONT DOOR SWITCH
Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES >> Replace BCM. Refer to BCS-59, "Removal and Installation".
NO >> GO TO 2
2. CHECK HARNESS CONTINUITY
Monitor item Condition
DOOR SW-DR OPEN
: ON
CLOSE : OFF
DOOR SW-AS OPEN
: ON
CLOSE : OFF
Te r m i n a l s
Door conditionVoltage (V)
(Approx.)
(+)
(–)
BCM
connector Te r m i n a l
M18 12 GroundFront door
RH OPEN
0
CLOSE Battery voltage
M19 47 Front door
LH OPEN
0
CLOSE Battery voltage
LIIA0946E
Revision: April 20092010 QX56

DOOR SWITCHPWC-35
< COMPONENT DIAGNOSIS >
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1. Turn ignition switch OFF.
2. Disconnect BCM and front door switch.
3. Check continuity between BCM connector and front door switch connector.
4. Check continuity between front door switch connector and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
Is the measurement value within the specification?
YES >> GO TO 4
NO >> Replace BCM. Refer to BCS-59, "
Removal and Installation".
4. CHECK FRONT DOOR SWITCH
Check front door switch.
Refer to PWC-35, "
Component Inspection".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-38, "Intermittent Incident".
NO >> Replace front door switch.
Component InspectionINFOID:0000000005147212
1. CHECK FRONT DOOR SWITCH
Check front door switches.
Is the inspection result normal?
YES >> Front door switch is OK.
NO >> Replace front door switch.
BCM connector Terminal Front door switch
connector Terminal Continuity
M18 12RH: B108
2Yes
M19 47LH: B8
Front door switch connector Te r m i n a l
GroundContinuity
B8 (LH) 2N o
B108 (RH)
LIIA0947E
Te r m i n a l
Voltage (V)
(Approx.)
(+)
(–)
BCM connector Terminal
M18 12
Ground Battery voltage
M19 47
LIIA0946E
Te r m i n a l
Door switch Continuity
Door switches
2 Ground part of
door switch Pressed
No
Released Yes
LIIA2377E
Revision: April 20092010 QX56

REAR POWER VENT WINDOW MOTOR LH CIRCUIT CHECK
PWC-45
< COMPONENT DIAGNOSIS >
C
D E
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G H
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M A
B
PWC
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REAR POWER VENT WINDOW MOTOR LH CIRCUIT CHECK
DescriptionINFOID:0000000005147228
Rear power vent windows OPEN/CLOSE by receiving the signal from rear power vent window switch.
Diagnosis ProcedureINFOID:0000000005147229
Regarding Wiring Diagram information, refer to PWC-53, "Wiring Diagram".
1. CHECK REAR POWER VENT WINDOW LH SIGNAL
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.
Is the inspection result normal?
YES >> Replace rear power vent window motor LH. Refer to GW-21, "Removal and Installation".
NO >> Repair or replace harness.
Connector Te r m i n a l s
ConditionVoltage (V)
(Approx.)
(+) (-)
B52 1
Ground Opening Battery voltage
Closing 0
2 Opening
0
Closing Battery voltage
ALKIA1037GB
Revision: April 20092010 QX56