Nissan Murano Z51. Manual - part 904

DIAGNOSIS SYSTEM (BCM)

INL-17

< SYSTEM DESCRIPTION >

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ACTIVE TEST

*: Each lamp switch is in ON position.

Monitor item

[Unit]

Description

REQ SW-DR
[On/Off]

The switch status input from request switch (driver side)

REQ SW-AS
[On/Off]

The switch status input from front request switch (passenger side)

REQ SW-RR
[On/Off]

NOTE:
The item is indicated, but not monitored.

REQ SW-RL
[On/Off]

PUSH SW
[On/Off]

The switch status input from push-button ignition switch

KEY SW-SLOT
[On/Off]

Key switch status input from key slot

UNLK SEN-DR
[On/Off]

Driver door unlock status input from unlock sensor

DOOR SW-DR
[On/Off]

The switch status input from front door switch (driver side)

DOOR SW-AS
[On/Off]

The switch status input from front door switch (passenger side)

DOOR SW-RR
[On/Off]

The switch status input from rear door switch RH

DOOR SW-RL
[On/Off]

The switch status input from rear door switch LH

DOOR SW-BK
[On/Off]

NOTE:
The item is indicated, but not monitored.

CDL LOCK SW
[On/Off]

Lock switch status received from door lock/unlock switch by power window switch se-
rial link

CDL UNLOCK SW
[On/Off]

Unlock switch status received from door lock/unlock switch by power window switch 
serial link

KEY CYL LK-SW
[On/Off]

Lock switch status received from key cylinder lock/unlock switch by power window 
switch serial link

KEY CYL UN-SW
[On/Off]

Unlock switch status received from key cylinder lock/unlock switch by power window 
switch serial link

BACK DOOR SW
[On/Off]

The switch status input from back door switch

RKE-LOCK
[On/Off]

Lock signal status received from remote keyless entry receiver

RKE-UNLOCK
[On/Off]

Unlock signal status received from remote keyless entry receiver

Test item

Operation

Description

BATTERY SAVER

Off

Cuts the interior room lamp power supply to turn interior room lamp OFF.

On

Outputs the interior room lamp power supply to turn interior room lamp ON.*

INL-18

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000005516770

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Signal name

Fuse and fusible link No.

Battery power supply

L

10

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

INL-19

< DTC/CIRCUIT DIAGNOSIS >

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INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

Description

INFOID:0000000005516771

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

Component Function Check

INFOID:0000000005516772

1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION

CONSULT-III ACTIVE TEST

1.

Turn the ignition switch ON.

2.

Turn each interior room lamp ON.

-

Map lamp

-

Personal lamp

-

Step lamp

-

Vanity mirror lamp

-

Luggage room 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-19, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005516773

1.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT

CONSULT-III ACTIVE TEST

1.

Turn the ignition switch ON.

2.

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

3.

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

Is the measurement value normal?

YES

>> GO TO 2.

NO

>> Replace BCM.

2.

CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect the following connectors.

-

Map lamp

-

Personal lamp

-

Vanity mirror lamp (driver side)

-

Vanity mirror lamp (passenger side)

-

Luggage room lamp (RH)

-

Luggage room lamp (LH)

-

Step lamp (driver side)

Off

: Interior room lamp OFF

On

: Interior room lamp ON

Terminals

Test item

Voltage (Ap-

prox.)

(+)

(–)

BCM

Ground

BATTERY 

SAVER

Connector

Terminal

M119

4

Off

0 V

On

Battery volt-

age

INL-20

< DTC/CIRCUIT DIAGNOSIS >

INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

-

Step lamp (passenger side)

3.

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

Does continuity exist?

YES

>> GO TO 3.

NO

>> Repair the harnesses or connectors.

3.

CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT

Check continuity between BCM harness connector and the ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Check that each interior room lamp has no internal short circuit.

BCM

Each interior room lamp

Continuity

Connector

Terminal

Connector

Terminal

M119

4

Map lamp

R19

1

Existed

Personal lamp

R21

1

Vanity mirror lamp
(driver side)

R24

2

Vanity mirror lamp
(passenger side)

R10

2

Luggage room lamp 
(RH)

D156

2

Luggage room lamp 
(LH)

D157

2

Step lamp
(driver side)

D17

1

Step lamp
(passenger side)

D51

1

BCM

Ground

Continuity

Connector

Terminal

M119

4

Not existed