turn signal INFINITI QX56 2011 Factory Service Manual

WIPER AND WASHER SYSTEM SYMPTOMSWW-51
< SYMPTOM DIAGNOSIS >
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Rear wiper does not
stop ON only
 Combination switch
BCM Rear wiper motor circuit
Refer to
WW-43, "
Compo-
nent Function Check".
INT only  Combination switch
BCM Combination switch
Refer to
BCS-80, "
Symptom
Ta b l e"
Rear wiper does not
operate normally Wiper is not linked to
the washer operation.
 Combination switch
 Harness between rear wiper motor and BCM
BCM
Combination switch
Refer to
BCS-80, "
Symptom
Ta b l e"
BCM —
Rear wiper does not
return to the stop posi-
tion. [Stops after a five-
second operation.
(Fail-safe)] BCM
 Harness between rear wiper motor and BCM
 Rear wiper motor
Rear wiper auto stop signal
circuit
Refer to
WW-45, "
Compo-
nent Function Check"
Rear wiper does not
operate even when
shift lever is shifted to
the “R”. Check the linked with reverse rear wiper setting.
Refer to
WW-15, "WIPER : CONSULT-III Function (BCM - WIPER)".
NOTE:
Factory setting of the rear wiper operation is operation linked with reverse.
Shift position signal (CAN communication)
BCM
TCM TCM DATA MONITOR
″
SLCT LVR POSI ″
Headlamp washer
does not operate. Headlamp washer
does not operate with
the front washer when
headlamps are turned
ON.  Combination switch
 Harness between combination switch and BCM
BCM
Combination switch
Refer to
BCS-80, "
Symptom
Ta b l e"
 Fusible link
 Harness between fusible link and headlamp
washer relay
 Headlamp washer relay
 Harness between haedlamp washer relay and IPDM E/R
 IPDM E/R
 Harness between haedlamp washer relay and headlamp washer pump
 headlamp washer pump
 Harness between haedlamp washer pump and ground Headlamp washer circuit
Refer to
WW-47, "
Compo-
nent Function Check"
BCM —
Symptom Probable malfunction location Inspection item
Revision: 2010 May2011 QX56

FRONT WIPER DOES NOT OPERATEWW-53
< SYMPTOM DIAGNOSIS >
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FRONT WIPER DO ES NOT OPERATE
DescriptionINFOID:0000000006300484
The front wiper does not operate under any operation conditions.
Diagnosis ProcedureINFOID:0000000006300485
1.CHECK WIPER RELAY OPERATION
CONSULT-III ACTIVE TEST
1. Select “FRONT WIPER” of IPDM E/R active test item.
2. With operating the test item, check front wiper operation.
Is front wiper operation normally?
YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK FRONT WIPER MOTOR FUSE
Check front wiper motor fuse. Refer to WW-35, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the fuse after repairing the applicable circuit.
3.CHECK FRONT WIPER MOTOR GROUND CIRCUIT
Check front wiper motor ground circuit. Refer to WW-39, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness.
4.CHECK FRONT WIPER MOTOR INPUT VOLTAGE
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Disconnect front wiper motor connector.
3. Turn ignition switch ON.
4. Select “FRONT WIPER” of IPDM E/R active test item.
5. With operating the test item, check voltage between front wiper motor harness connector and ground.
Is the inspection result normal?
YES >> Replace front wiper motor.
NO >> Replace IPDM E/R.
5.CHECK FRONT WIPER REQUEST SIGNAL INPUT
CONSULT-III DATA MONITOR
1. Select “FR WIP REQ” of IPDM E/R data monitor item.
2. Switch the front wiper switch to HI and LO. Lo : Front wiper LO operation
Hi : Front wiper HI operation
Off : Stop the front wiper.
(+)
(− ) Condition Voltage (Approx.)
Front wiper motor
Connector Terminal
E42 1
Ground FRONT WIPER Lo Battery voltage
Off 0 V
4 Hi Battery voltage
Off 0 V
Revision: 2010 May2011 QX56