Infiniti QX56 (Z62). Manual - part 831

 

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Infiniti QX56 (Z62). Manual - part 831

 

 

INL-54

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000006216064

OVERALL SEQUENCE

DETAILED FLOW

1.

INTERVIEW FOR MALFUNCTION

Interview the symptom to the customer.

JPLIA0313GB

DIAGNOSIS AND REPAIR WORKFLOW

INL-55

< BASIC INSPECTION >

C

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>> 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.

INL-56

< DTC/CIRCUIT DIAGNOSIS >

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

DTC/CIRCUIT DIAGNOSIS

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

Description

INFOID:0000000006216065

Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery
saver activating.

Component Function Check

INFOID:0000000006216066

1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION

CONSULT-III ACTIVE TEST

1.

Turn ignition switch ON.

2.

Turn each interior room lamp ON.

-

Personal lamp

-

Map lamp

-

Foot lamp

-

Luggage room lamp

-

Automatic back door close switch illumination

-

Step lamp

-

Puddle lamp

-

Vanity mirror lamp

3.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

4.

 With operating the test items, check that each interior room lamp turns ON/OFF.

Does the interior room lamp turn ON/OFF?

YES

>> Interior room lamp power supply circuit is normal.

NO

>> Refer to 

INL-56, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006216067

1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT

CONSULT-III ACTIVE TEST

1.

Turn ignition switch OFF.

2.

Disconnect the following connectors.

-

Personal lamp

-

Map lamp

-

Foot lamp (both sides)

-

Luggage room lamp

-

Automatic back door close switch illumination

-

Step lamp (ALL)

-

Puddle lamp (both sides)

-

Vanity mirror lamp (both sides)

3.

Turn ignition switch ON.

4.

Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.

5.

With operating the test item, check voltage between BCM harness connector and ground.

Is the inspection result normal?

Off

: Interior room lamp OFF

On

: Interior room lamp ON

BCM

(–)

Test item

Voltage

(Approx.)

(+)

Connector

Terminal

M70

56

Ground

BATTERY SAVER

Off

0 V

On

12 V

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

INL-57

< DTC/CIRCUIT DIAGNOSIS >

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YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the BCM connector.

3.

Check continuity between BCM harness connector and each interior room lamp harness connector.

Is the inspection result normal?

YES

>> Check for internal short circuit of each interior room lamp.

NO

>> Repair or replace harnesses.

3.

CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect the BCM connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

NO

>> Repair or replace harnesses.

BCM

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

M70

56

Personal lamp

R21

3

Existed

Map lamp

R18

8

Foot lamp
(driver side)

M89

1

Foot lamp
(passenger side)

M90

2

Luggage room lamp

B11

2

Automatic back door close switch 

D158

3

Step lamp
(driver side)

D8

1

Step lamp
(passenger side)

D29

1

Step lamp
(Rear LH)

D66

1

Step lamp
(Rear RH)

D46

1

Puddle lamp
(driver side)

D3

2

Puddle lamp
(passenger side)

D23

2

Vanity mirror lamp (driver side)

R12

2

Vanity mirror lamp (passenger 
side)

R13

2

Foot lamp
(Rear LH)

B479

65

Foot lamp
(Rear RH)

B480

65

BCM

Ground

Continuity

Connector

Terminal

M70

56

Not existed

 

 

 

 

 

 

 

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