Infiniti QX56 (Z62). Manual — part 1389
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< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
>> GO TO 2.
2.
SYMPTOM CHECK
Check the symptom from the customer's information.
>> GO TO 3.
3.
BASIC INSPECTION
Check the operation of each part. Check that any symptom occurs other than the interviewed symptom.
>> GO TO 4.
4.
SELF-DIAGNOSIS WITH CONSULT-III
Perform the self-diagnosis with CONSULT-III. Check that any DTC is detected.
Is any DTC detected?
YES
>> GO TO 5.
NO
>> GO TO 6.
5.
TROUBLE DIAGNOSIS BY DTC
Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.
>> GO TO 9.
6.
FAIL-SAFE ACTIVATION CHECK
Check that the symptom is applied to the fail-safe activation.
Does the fail-safe activate?
YES
>> GO TO 7.
NO
>> GO TO 8.
7.
SYSTEM DIAGNOSIS
Perform the system diagnosis for the system that the fail-safe activates. Specify the malfunctioning part.
>> GO TO 9.
8.
SYMPTOM DIAGNOSIS
Perform the symptom diagnosis. Specify the malfunctioning part.
>> GO TO 9.
9.
MALFUNCTION PART REPAIR
Repair or replace the malfunctioning part.
>> GO TO 10.
10.
REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT-III)
Perform the self-diagnosis with CONSULT-III. Check that any DTC is not detected. Erase DTC if DTC is
detected before the repair. Check that DTC is not detected again.
Is any DTC detected?
YES
>> GO TO 5.
NO
>> GO TO 11.
11.
REPAIR CHECK (OPERATION CHECK)
Check the operation of each part.
Does it operate normally?
YES
>> INSPECTION END
NO
>> GO TO 3.
WIPER AND WASHER FUSE
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< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
WIPER AND WASHER FUSE
Diagnosis Procedure
INFOID:0000000006300467
1.
CHECK FUSES
Check that the following fuses is not fusing.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace the fuse with a new one after repairing the applicable circuit.
Unit
Location
No.
Capacity
Front wiper motor
IPDM E/R
45
30 A
Headlamp washer relay
-
U
30 A
Washer pump
Fuse block (J/B)
1
10 A
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< DTC/CIRCUIT DIAGNOSIS >
FRONT WIPER MOTOR LO CIRCUIT
FRONT WIPER MOTOR LO CIRCUIT
Component Function Check
INFOID:0000000006300468
1.
CHECK FRONT WIPER LO 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 (LO) operation normally?
YES
>> Front wiper motor LO circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006300469
1.
CHECK FRONT WIPER MOTOR (LO) OUTPUT 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
>> GO TO 2.
2.
CHECK FRONT WIPER MOTOR (LO) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector and front wiper motor harness connector.
4.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Repair or replace harness.
Lo
: Front wiper (LO) 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
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E14
45
E42
1
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E14
45
Not existed
FRONT WIPER MOTOR HI CIRCUIT
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< DTC/CIRCUIT DIAGNOSIS >
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FRONT WIPER MOTOR HI CIRCUIT
Component Function Check
INFOID:0000000006300470
1.
CHECK FRONT WIPER HI 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 (HI) operation normally?
YES
>> Front wiper motor HI circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000006300471
1.
CHECK FRONT WIPER MOTOR (HI) OUTPUT 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
>> GO TO 2.
2.
CHECK FRONT WIPER MOTOR (HI) CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check continuity between IPDM E/R harness connector and front wiper motor harness connector.
4.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R.
NO
>> Repair or replace harness.
Hi
: Front wiper (HI) operation
Off
: Stop the front wiper.
(+)
(
−
)
Condition
Voltage (Approx.)
Front wiper motor
Connector
Terminal
E42
4
Ground
FRONT WIPER
Hi
Battery voltage
Off
0 V
IPDM E/R
Front wiper motor
Continuity
Connector
Terminal
Connector
Terminal
E14
39
E42
4
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
E14
39
Not existed
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