Infiniti QX56 (JA60). Manual - part 624

INL-24

< COMPONENT DIAGNOSIS >

CARGO LAMP CONTROL CIRCUIT

CARGO LAMP CONTROL CIRCUIT

Description

INFOID:0000000005146736

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

Component Function Check

INFOID:0000000005146737

CAUTION:

 Before performing the diagnosis, check that the following is normal.

• Battery saver output/power supply

• Cargo lamp bulb

1.

CHECK CARGO LAMP OPERATION 

CONSULT-III

1. Turn ignition switch ON.

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

3. While operating the test item, check that cargo lamp turns ON/OFF.

Is the inspection result normal?

YES

>> Cargo lamp circuit is normal.

NO

>> Refer to 

INL-22, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146738

Regarding Wiring Diagram information, refer to 

INL-28, "Wiring Diagram"

.

1.

CHECK CARGO LAMP OUTPUT

CONSULT-III

1. Turn ignition switch ON.

2. Select “LUGGAGE LAMP TEST” of BCM (INT LAMP) active test

item.

3. While operating the test item, check voltage between BCM con-

nector M19 terminal 49 and ground.

Is the inspection result normal?

YES

>> Cargo lamp control circuit is operating normally.

Fixed ON>>GO TO 3

Fixed OFF>>GO TO 2

2.

CHECK CARGO LAMP OPEN CIRCUIT

ON

: Cargo lamp ON

OFF

: Cargo lamp OFF

Connector

Terminal

—

LUGGAGE 

LAMP TEST

Voltage

M19

49

Ground

ON

0V

OFF

Battery voltage

ALLIA0417GB

CARGO LAMP CONTROL CIRCUIT

INL-25

< COMPONENT DIAGNOSIS >

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1. Turn ignition switch OFF.

2. Disconnect BCM connector M19 and cargo lamp connector.

3. Check continuity between BCM connector M19 (A) terminal 49

and cargo lamp connector B153 (B) terminal 1.

Is the inspection result normal?

YES

>> Check cargo lamp for an open. If OK, replace BCM.

Refer to 

BCS-59, "Removal and Installation"

. If NG, replace cargo lamp. Refer to 

INL-81,

"Removal and Installation"

.

NO

>> Repair harness or connectors.

3.

CHECK CARGO LAMP SHORT CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M19 and cargo lamp connector.

3. Check continuity between BCM connector M19 terminal 49 and

ground.

Is the inspection result normal?

YES

>> Check cargo lamp for a short circuit. If OK, replace

BCM. Refer to 

BCS-59, "Removal and Installation"

. If

NG, replace cargo lamp. Refer to 

INL-81, "Removal and

Installation"

.

NO

>> Repair harness or connectors.

BCM

Cargo lamp

Continuity

Connector

Terminal

Connector

Terminal

M19 (A)

49

B153 (B)

1

Yes

ALLIA0418GB

Connector

Terminal

—

Continuity

M19

49

Ground

No

ALLIA0419GB

INL-26

< COMPONENT DIAGNOSIS >

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

Description

INFOID:0000000005146739

Controls the ignition keyhole illumination (ground side) to turn the ignition keyhole illumination ON and OFF.

Component Function Check

INFOID:0000000005146740

CAUTION:

Before performing the diagnosis, check that the following is normal.

• Battery saver output/power supply circuit

• Ignition keyhole illumination bulb

1.

CHECK IGNITION KEYHOLE ILLUMINATION OPERATION

CONSULT-III

1. Turn the ignition switch ON.

2. Select “IGN ILLUM” of BCM (INT LAMP) active test item.

3. While operating the test item, check that the ignition keyhole illumination turns ON/OFF

Is the inspection result normal?

YES

>> Ignition keyhole illumination circuit is normal.

NO

>> Refer to 

INL-26, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005146741

Regarding Wiring Diagram information, refer to 

INL-28, "Wiring Diagram"

.

1.

CHECK IGNITION KEYHOLE OUTPUT

CONSULT-III

1. Turn ignition switch ON.

2. Select “IGN ILLUM” of BCM (INT LAMP) active test item.

3. While operating the test item, check voltage between BCM con-

nector M18 terminal 1 and ground.

Is the inspection result normal?

YES

>> Ignition keyhole illumination control circuit is operating

normally.

Fixed ON>>GO TO 3

Fixed OFF>>GO TO 2

2.

CHECK IGNITION KEYHOLE ILLUMINATION OPEN CIRCUIT

ON

: Ignition keyhole illumination ON

OFF

: Ignition keyhole illumination OFF

Connector

Terminal

—

IGN ILLUM

Voltage

M18

1

Ground

ON

0V

OFF

Battery voltage

ALLIA0420GB

IGNITION KEYHOLE ILLUMINATION CONTROL CIRCUIT

INL-27

< COMPONENT DIAGNOSIS >

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1. Turn ignition switch OFF.

2. Disconnect BCM connector M18 and ignition keyhole illumina-

tion connector.

3. Check continuity between BCM connector M18 (A) terminal 1

and ignition keyhole illumination connector M150 (B) terminal 2.

Is the inspection result normal?

YES

>> Check ignition keyhole illumination for an open. If OK, replace BCM. Refer to 

BCS-59, "Removal

and Installation"

. If NG, replace ignition keyhole illumination. 

NO

>> Repair harness or connectors.

3.

CHECK IGNITION KEYHOLE ILLUMINATION SHORT CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M18 and ignition keyhole illumina-

tion connector.

3. Check continuity between BCM connector M18 terminal 1 and

ground.

Is the inspection result normal?

YES

>> Check ignition keyhole illumination for a short circuit. If

OK, replace BCM. Refer to 

BCS-59, "Removal and

Installation"

. If NG, replace ignition keyhole illumination. 

NO

>> Repair harness or connectors.

BCM

Ignition keyhole illumination

Continuity

Connector

Terminal

Connector

Terminal

M18 (A)

1

M150 (B)

2

Yes

ALLIA0421GB

Connector

Terminal

—

Continuity

M18

1

Ground

No

ALLIA0422GB