Nissan X-Trail 32. Manual - part 1855

POWER SUPPLY AND GROUND CIRCUIT

SEC-187

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

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POWER SUPPLY AND GROUND CIRCUIT

SIREN CONTROL UNIT

SIREN CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010994658

1.

CHECK FUSE

Check that the following fuse is not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect siren control unit connector.

3.

Check voltage between siren control unit harness connector and the ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

Check continuity between siren control unit harness connectors and the ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

STEERING LOCK UNIT

STEERING LOCK UNIT : Diagnosis Procedure

INFOID:0000000010922233

1.

CHECK FUSE

Check that the following fuse is not blown.

Is the fuse blown?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 2.

2.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT1

1.

Turn ignition switch OFF.

2.

Disconnect steering lock unit connectors.

3.

Check voltage between harness steering lock unit connector and ground.

Signal name

Fuse

Battery power supply

14 (5 A)

(+)

(

−

)

Voltage

(Approx.)

Siren control unit

Connector

Terminal

Ground

B127

2

Battery voltage

Siren control unit

Ground

Continuity

Connector

Terminal

B127

5

Existed

Signal name

Fuse No.

Ignition ON signal

85 (5 A)

SEC-188

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

Is the measurement value normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT1

1.

Disconnect IPDM E/R connector.

2.

Check continuity between steering lock unit harness connector and IPDM E/R harness connector.

3.

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

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-60, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT2

Check voltage between harness steering lock unit connector and ground.

Is the measurement value normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK STEERING LOCK UNIT POWER SUPPLY CIRCUIT2

1.

Disconnect BCM connector.

2.

Check continuity between steering lock unit harness connector and BCM harness connector.

3.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

NO

>> Repair or replace harness.

Steering lock unit

Ground

Condition

Voltage (V)

Connector

Terminal

M57

7

Ignition switch

ON

6 - 16

OFF

0 - 1

Steering lock unit

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

M57

7

E12

25

Existed

IPDM E/R

Ground

Continuity

Connector

Terminal

E12

25

Not existed

Steering lock unit

Ground

Condition

Voltage (V)

Connector

Terminal

M57

2

Steering lock unit

Active

9 - 16

Not active

0 - 0.5

Steering lock unit

BCM

Continuity

Connector

Terminal

Connector

Terminal

M57

2

M87

41

Existed

BCM

Ground

Continuity

Connector

Terminal

M87

41

Not existed

POWER SUPPLY AND GROUND CIRCUIT

SEC-189

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

6.

CHECK GROUND CIRCUIT

Check continuity between steering lock unit harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

Steering lock unit

Ground

Continuity

Connector

Terminal

M57

1

Existed

SEC-190

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SECURITY INDICATOR LAMP

SECURITY INDICATOR LAMP

Component Function Check

INFOID:0000000010926570

1.

CHECK FUNCTION

1.

Perform “THEFT IND” in “ACTIVE TEST” mode of “IMMU” of “BCM” using CONSULT.

2.

Check security indicator lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

SEC-190, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010922234

1.

CHECK FUSE

1.

Turn ignition switch OFF.

2.

Check that the following fuse in the fuse block (J/B) is not blown.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the cause of blowing.

2.

CHECK SECURITY INDICATOR LAMP POWER SUPPLY CIRCUIT

1.

Disconnect combination meter connector.

2.

Turn ignition switch ON.

3.

Check voltage between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK SECURITY INDICATOR LAMP SIGNAL

1.

Turn ignition switch OFF.

2.

Connect combination meter connector.

3.

Disconnect BCM connector.

4.

Turn ignition switch ON.

5.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

Test item

Description

THEFT IND

ON

Security indicator lamp

Illuminates

OFF

Does not illuminate

Signal name

Fuse No.

Battery power supply

13 (10 A)

(+)

(–)

Voltage (V)

Combination meter

Connector

Terminal

M42

45

Ground

 Battery voltage

(+)

(–)

Voltage

BCM

Connector

Terminal

M87

75

Ground

9 - 16 V