Nissan Murano. Manual - part 1248

POWER SUPPLY AND GROUND CIRCUIT

SEC-89

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000009722819

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.

IPDM E/R

IPDM E/R : Diagnosis Procedure

INFOID:0000000009722820

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible links are not blown.

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

Signal name

Fuses and fusible link No.

Battery power supply

E

50

51

SEC-90

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

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 the ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

Check voltage between IPDM E/R harness connector and the ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair the harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between IPDM E/R harness connectors and the ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair the harness or connector.

Terminals

Voltage

(Approx.)

(+)

(

−

)

IPDM E/R

Connector

Terminal

Ground

E9

1

Battery voltage

IPDM E/R

Ground

Continuity

Connector

Terminal

E10

12

Existed

E11

41

SECURITY INDICATOR LAMP

SEC-91

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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SECURITY INDICATOR LAMP

Description

INFOID:0000000009722821

• Security indicator lamp is located on instrument panel assembly.
• NVIS (Nissan Vehicle Immobilizer System-NATS) and vehicle security system conditions are indicated by

blink or illumination of security indicator lamp.

Component Function Check

INFOID:0000000009722822

1.

CHECK FUNCTION

1.

Perform “THEFT IND” in the “ACTIVE TEST” mode with CONSULT.

2.

Check security indicator lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

SEC-91, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009722823

1.

CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect security indicator lamp connector.

3.

Check voltage between security indicator lamp harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO-1

>> Check 10A fuse [No. 9, located in the fuse block (J/B)].

NO-2

>> Check harness for open or short between security indicator lamp and fuse.

2.

CHECK SECURITY INDICATOR LAMP SIGNAL

1.

Connect security indicator lamp connector.

2.

Disconnect BCM connector.

3.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

NO

>> GO TO 3.

3.

CHECK SECURITY INDICATOR LAMP SIGNAL CIRCUIT

1.

Disconnect security indicator lamp connector.

2.

Check continuity between security indicator lamp harness connector and BCM harness connector.

Test item

Description

THEFT IND

ON

Security indicator lamp

Illuminate

OFF

Not illuminate

(+)

(–)

Voltage (V)

(Approx.)

Security indicator lamp

Connector

Terminal

M100

1

Ground

Battery voltage

(+)

(–)

Voltage (V)

(Approx.)

BCM

Connector

Terminal

M123

141

Ground

Battery voltage

SEC-92

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SECURITY INDICATOR LAMP

3.

Check continuity between security indicator lamp harness connector and ground.

Is the inspection result normal?

YES

>> Replace security indicator lamp. Refer to 

SEC-192, "Removal and Installation"

.

NO

>> Repair or replace harness.

Security indicator lamp

BCM

Continuity

Connector

Terminal

Connector

Terminal

M100

2

M123

141

Existed

Security indicator lamp

Ground

Continuity

Connector

Terminal

M100

2

Not existed