2008 INFINITI QX56 Factory Service Manual

Page 4017 of 4083

INFINITI QX56 2008  Factory Service Manual WW-20
< COMPONENT DIAGNOSIS >
FRONT WIPER MOTOR LO CIRCUIT
1. Turn the ignition switch ON.
2. Select "FRONT WIPER" of IPDM E/R active test item.
3. While operating the test item, check voltage between

Page 4018 of 4083

INFINITI QX56 2008  Factory Service Manual FRONT WIPER MOTOR HI CIRCUITWW-21
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
WW
N
O P
FRONT WIPER MOTOR HI CIRCUIT
Component Function CheckINFOID:0000000001735581
1. CHECK FRONT WIPER HI OPERATION

Page 4019 of 4083

INFINITI QX56 2008  Factory Service Manual WW-22
< COMPONENT DIAGNOSIS >
FRONT WIPER MOTOR HI CIRCUIT
1. Turn the ignition switch ON.
2. Select "FRONT WIPER" of IPDM E/R active test item.
3. While operating the test item, check voltage between

Page 4020 of 4083

INFINITI QX56 2008  Factory Service Manual FRONT WIPER AUTO STOP SIGNAL CIRCUITWW-23
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
WW
N
O P
FRONT WIPER AUTO ST OP SIGNAL CIRCUIT
Component Function CheckINFOID:0000000001735583
1. CHECK FRONT W

Page 4021 of 4083

INFINITI QX56 2008  Factory Service Manual WW-24
< COMPONENT DIAGNOSIS >
FRONT WIPER AUTO STOP SIGNAL CIRCUIT
Check continuity between IPDM E/R harness connector and front
wiper motor harness connector.
Does continuity exist?
YES >> Replace fr

Page 4022 of 4083

INFINITI QX56 2008  Factory Service Manual FRONT WIPER MOTOR GROUND CIRCUITWW-25
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
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M A
B
WW
N
O P
FRONT WIPER MOTOR GROUND CIRCUIT
Diagnosis ProcedureINFOID:0000000001735585
1. CHECK FRONT WIPER MOTO R (G

Page 4023 of 4083

INFINITI QX56 2008  Factory Service Manual WW-26
< COMPONENT DIAGNOSIS >
WASHER SWITCH
WASHER SWITCH
DescriptionINFOID:0000000001735586
• Washer switch is integrated with combination switch.
• Combination switch switches polarity between f

Page 4024 of 4083

INFINITI QX56 2008  Factory Service Manual WASHER SWITCHWW-27
< COMPONENT DIAGNOSIS >
C
DE
F
G H
I
J
K
M A
B
WW
N
O P
1. Turn the ignition switch OFF.
2. Disconnect combination switch.
3. Check continuity between the combination switch termina