Nissan Maxima. Manual - part 766

STEP LAMP CIRCUIT

INL-23

< DTC/CIRCUIT DIAGNOSIS >

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STEP LAMP CIRCUIT

Description

INFOID:0000000009465427

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

Component Function Check

INFOID:0000000009465428

CAUTION:

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

• Battery saver output/power supply

• Step lamp bulbs

1.

CHECK STEP LAMP OPERATION

CONSULT

1. Turn ignition switch ON.

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

3. While operating the test item, check that step lamps turn ON/OFF.

Is the inspection result normal?

YES

>> Step lamp control circuit is normal.

NO

>> Refer to 

INL-23, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009465429

Regarding Wiring Diagram information, refer to 

INL-55, "Wiring Diagram"

.

1.

CHECK STEP LAMP OUTPUT

CONSULT

1. Turn ignition switch ON.

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

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

nector M17 terminal 7 and ground.

Is the inspection result normal?

YES

>> Step lamp control circuit is operating normally.

Fixed ON>>GO TO 3

Fixed OFF>>GO TO 2

2.

CHECK STEP LAMP OPEN CIRCUIT

ON

: Step lamp ON

OFF

: Step lamp OFF

BCM

Ground

Test item

Voltage

Connector

Terminal

STEP LAMP 

TEST

M17

7

ON

0V

OFF

Battery voltage

ALLIA0106ZZ

INL-24

< DTC/CIRCUIT DIAGNOSIS >

STEP LAMP CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M17 and step lamp connectors.

3. Check continuity between BCM connector M17 (A) terminal 7

and step lamp connectors (B) terminal 2.

Is the inspection result normal?

YES

>> Check step lamp for an open. If OK, replace BCM. Refer to 

BCS-79, "Removal and Installation"

. If

NG, replace step lamp. Refer to 

INL-84, "Removal and Installation"

.

NO

>> Repair harness or connectors.

3.

CHECK STEP LAMP SHORT CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M17 and step lamp connectors.

3. Check continuity between BCM connector M17 terminal 7 and

ground.

Is the inspection result normal?

YES

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

Refer to 

BCS-79, "Removal and Installation"

. If NG, replace step lamp. Refer to 

INL-84, "Removal

and Installation"

.

NO

>> Repair the harness or connectors.

BCM

Step lamp

Continuity

Connector

Terminal

Connector

Terminal

M17 (A)

7

Front LH

D11 (B)

2

Yes

Front RH

D109 (B)

2

Rear LH

D206 (B)

2

Rear RH

D301 (B)

2

AWLIA1666ZZ

BCM

Ground

Continuity

Connector

Terminal

M17

7

No

ALLIA0108ZZ

TRUNK ROOM LAMP CIRCUIT

INL-25

< DTC/CIRCUIT DIAGNOSIS >

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TRUNK ROOM LAMP CIRCUIT

Description

INFOID:0000000009465430

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

Component Function Check

INFOID:0000000009465431

CAUTION:

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

• Battery saver output/power supply

• Trunk room lamp bulb

1.

CHECK TRUNK ROOM LAMP OPERATION 

CONSULT

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 trunk room lamp turns ON/OFF.

Is the inspection result normal?

YES

>> Trunk room lamp control circuit is normal.

NO

>> Refer to 

INL-25, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009465432

Regarding Wiring Diagram information, refer to 

INL-55, "Wiring Diagram"

.

1.

CHECK TRUNK ROOM LAMP OUTPUT

CONSULT

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 M20 terminal 110 and ground.

Is the inspection result normal?

YES

>> Trunk room lamp control circuit is operating normally.

Fixed ON>>GO TO 3

Fixed OFF>>GO TO 2

2.

CHECK TRUNK ROOM LAMP OPEN CIRCUIT

ON

: Trunk room lamp ON

OFF

: Trunk room lamp OFF

BCM

Ground

Test item

Voltage

Connector

Terminal

LUGGAGE 

LAMP TEST

M20

110

ON

0V

OFF

Battery voltage

ALLIA0110ZZ

INL-26

< DTC/CIRCUIT DIAGNOSIS >

TRUNK ROOM LAMP CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M20 and trunk room lamp connec-

tor.

3. Check continuity between BCM connector M20 (A) terminal 110

and trunk room lamp connector B36 (B) terminal 2.

Is the inspection result normal?

YES

>> Check trunk room lamp for an open. If OK, replace BCM. Refer to 

BCS-79, "Removal and Installa-

tion"

. If NG, replace trunk room lamp. Refer to 

INL-84, "Removal and Installation"

.

NO

>> Repair harness or connectors.

3.

CHECK TRUNK ROOM LAMP SHORT CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector M20 and trunk room lamp connec-

tor.

3. Check continuity between BCM connector M20 terminal 110 and

ground.

Is the inspection result normal?

YES

>> Check trunk room lamp for a short circuit. If OK, replace BCM. Refer to 

BCS-79, "Removal and

Installation"

. If NG, replace trunk room lamp. Refer to 

INL-84, "Removal and Installation"

.

NO

>> Repair harnesses or connectors.

BCM

Trunk room lamp

Continuity

Connector

Terminal

Connector

Terminal

M20

110

B36

2

Yes

ALLIA0109ZZ

BCM

Ground

Continuity

Connector

Terminal

M20

110

No

ALLIA0111ZZ