2009 INFINITI QX56 Factory Service Manual

Page 2961 of 4171

INFINITI QX56 2009  Factory Service Manual 
POWER SUPPLY AND GROUND CIRCUITPWC-13
< COMPONENT DIAGNOSIS >
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PWC
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Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT

Page 2962 of 4171

INFINITI QX56 2009  Factory Service Manual 
PWC-14
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
1. CHECK POWER SUPPLY CIRCUIT 
1. Turn ignition switch ON.
2. Check voltage between power window and door lock/unlock switch RH connecto

Page 2963 of 4171

INFINITI QX56 2009  Factory Service Manual 
POWER SUPPLY AND GROUND CIRCUITPWC-15
< COMPONENT DIAGNOSIS >
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1. Connect BCM. 
2. Turn ignition switch ON.
3. Check voltage between BCM connector and ground.
Is the m

Page 2964 of 4171

INFINITI QX56 2009  Factory Service Manual 
PWC-16
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear power window switch LH or RHconnector D203 (LH), D303 (RH) terminals 1, 7

Page 2965 of 4171

INFINITI QX56 2009  Factory Service Manual 
POWER WINDOW MOTORPWC-17
< COMPONENT DIAGNOSIS >
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POWER WINDOW MOTOR
DRIVER SIDE
DRIVER SIDE : DescriptionINFOID:0000000003775976
Door glass moves UP/DOWN by receiving

Page 2966 of 4171

INFINITI QX56 2009  Factory Service Manual 
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

Page 2967 of 4171

INFINITI QX56 2009  Factory Service Manual 
POWER WINDOW MOTORPWC-19
< COMPONENT DIAGNOSIS >
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PWC
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1. Disconnect front power window motor RH.
2. Turn ignition switch ON.
3. Check voltage between front power window mo

Page 2968 of 4171

INFINITI QX56 2009  Factory Service Manual 
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 In