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

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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 

WW-36, "Diagnosis Procedure"

.

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

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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 

WW-37, "Diagnosis Procedure"

.

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