Infiniti QX56 (Z62). Manual - part 833

INL-62

< DTC/CIRCUIT DIAGNOSIS >

STEP LAMP CIRCUIT

STEP LAMP CIRCUIT

Description

INFOID:0000000006216073

Controls the step lamp (ground side) to turn the step lamp ON and OFF.

Component Function Check

INFOID:0000000006216074

CAUTION:

 Before performing the diagnosis, check that the following is normal.
• Interior room lamp power supply
• Step lamp bulb

1.

CHECK STEP LAMP OPERATION

CONSULT-III ACTIVE TEST

1.

Turn ignition switch ON.

2.

Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.

3.

With operating the test items, check that step lamp turns ON/OFF.

Does the step lamp turn ON/OFF?

YES

>> Step lamp circuit is normal.

NO

>> Refer to 

INL-62, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006216075

1.

CHECK STEP LAMP OUTPUT

CONSULT-III ACTIVE TEST

1.

Turn ignition switch OFF.

2.

Remove the step lamp bulbs (ALL).

3.

Turn ignition switch ON.

4.

Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.

5.

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

Is the inspection result normal?

YES

>> GO TO 2.

Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

2.

CHECK STEP LAMP OPEN CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector, and step lamp connector.

3.

Check continuity between BCM harness connector and step lamp harness connector.

On

: Step lamp ON

Off

: Step lamp OFF

BCM

Ground

Test item

Continuity

Connector

Terminal

M70

62

STEP LAMP TEST

On

Existed

Off

Not existed

BCM

Step lamp

Continuity

Connector

Terminal

Connector

Terminal

M70

62

Driver side

D8

2

Existed

Passenger side

D29

Rear LH

D66

Rear RH

D46

STEP LAMP CIRCUIT

INL-63

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

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J

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M

A

B

INL

N

O

P

Is the inspection result normal?

YES

>> Replace step lamp.

NO

>> Repair or replace harnesses.

3.

CHECK STEP LAMP SHORT CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Repair or replace harnesses.

NO

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

BCM

Ground

Continuity

Connector

Terminal

M70

62

Not existed

INL-64

< DTC/CIRCUIT DIAGNOSIS >

PUDDLE LAMP CIRCUIT

PUDDLE LAMP CIRCUIT

Description

INFOID:0000000006216076

Controls the puddle lamp (ground side) to turn the puddle lamp ON and OFF.

Diagnosis Procedure

INFOID:0000000006216077

CAUTION:

 Before performing the diagnosis, check that the following is normal.
• Interior room lamp power supply

1.

CHECK PUDDLE LAMP OUTPUT

1.

Turn ignition switch OFF.

2.

Disconnect puddle lamp connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

2.

CHECK PUDDLE LAMP OPEN CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and puddle lamp harness connector.

Is the inspection result normal?

YES

>> Replace puddle lamp.

NO

>> Repair or replace harnesses.

3.

CHECK PUDDLE LAMP SHORT CIRCUIT

1.

Disconnect BCM connector.

2.

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

Ground

Condition

Continuity

Connector

Terminal

M71

72

Any door
(except back door)

Open

Existed

Closed

Not existed

BCM

Puddle lamp

Continuity

Connector

Terminal

Connector

Terminal

M71

72

Driver side

D3

14

Existed

Passenger side

D23

BCM

Ground

Continuity

Connector

Terminal

M71

72

Not existed

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT

INL-65

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

INL

N

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P

PUSH-BUTTON IGNITION SWITCH ILLUMINATION CIRCUIT

Component Function Check

INFOID:0000000006265016

1.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION

CONSULT-III ACTIVE TEST

1.

Turn the ignition switch ON.

2.

Select “ENGINE SW ILLUMI” of BCM (INTELLIGENT KEY) active test item.

3.

With operating the test items, check that the push-button ignition switch illumination turns ON/OFF.

Does the push-button ignition switch illumination turn ON/OFF?

YES

>> Push-button ignition switch illumination circuit is normal.

NO

>> Refer to 

INL-65, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006265017

1.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OUTPUT

1.

Turn ignition switch OFF.

2.

Lighting switch OFF.

3.

Disconnect push-button ignition switch connector.

4.

Check voltage between push-button ignition switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and the push-button ignition switch harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harnesses.

3.

CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

On

: Push-button ignition switch illumination ON

Off

: Push-button ignition switch illumination OFF

(+)

(–)

Condition

Voltage

(Approx.)

Push-button ignition switch

Connector

Terminal

M101

3

Ground

Push-button ignition 
switch illumination

ON Condition

12 V

OFF Condition

0 V

BCM

Push-button ignition switch

Continuity

Connector

Terminal

Connector

Terminal

M71

90

M101

3

Existed

BCM

Ground

Continuity

Connector

Terminal

M71

90

Not existed