Nissan Murano. Manual — part 233

BRC-88

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

U1002 SYSTEM COMM (CAN)

NO

>> Recheck the terminals for damage or loose connection. Refer to

LAN-8, "Precautions for Harness

Repair"

.

3.

CHECK APPLICABLE CONTROL UNIT

Check the damage or loose connection of each CAN communication line harness connector terminals.

Is the inspection result normal?

YES

>> Erase self-diagnosis results. Then perform self-diagnosis for applicable control unit with CON-

SULT.

NO

>> Recheck the terminals for damage or loose connection. Refer to

LAN-8, "Precautions for Harness

Repair"

.

Special Repair Requirement

INFOID:0000000009718329

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After replacing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to

BRC-9, "ADJUSTMENT OF STEERING

ANGLE SENSOR NEUTRAL POSITION : Description"

.

- Calibration of decel G sensor: Refer to

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• After removing/replacing a steering angle sensor, be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to

BRC-9, "ADJUSTMENT OF STEERING

ANGLE SENSOR NEUTRAL POSITION : Description"

.

• After removing/replacing a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

POWER SUPPLY AND GROUND CIRCUIT

BRC-89

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

POWER SUPPLY AND GROUND CIRCUIT

Description

INFOID:0000000009718330

Supplies power to ABS actuator and electric unit (control unit).

Diagnosis Procedure

INFOID:0000000009718331

1.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) IGNITION POWER SUPPLY

1.

Turn the ignition switch OFF.

2.

Disconnect ABS actuator and electric unit (control unit) harness connector.

3.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

4.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

5.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) IGNITION POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the 10A fuse (#45).

3.

Disconnect IPDM E/R harness connector.

4.

Check the continuity between ABS actuator and electric unit (control unit) harness connector and IPDM E/
R harness connector.

Is the inspection result normal?

YES

>> Perform trouble diagnosis for ignition power supply. Refer to

PG-47, "Wiring Diagram - IGNITION

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

3.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY

1.

Turn the ignition switch OFF.

2.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

ABS actuator and electric unit

(control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

20

Ground

0 V

ABS actuator and electric unit

(control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

20

Ground

Battery voltage

ABS actuator and electric unit

(control unit)

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

E36

20

E10

25

Existed

BRC-90

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

POWER SUPPLY AND GROUND CIRCUIT

3.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

4.

Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the 20A fusible link (#G) and 30A fusible link (#F).

3.

Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (1) and 20A fusible link (#G).

4.

Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness con-
nector terminal (14) and 30A fusible link (#F).

Is the inspection result normal?

YES

>> Perform trouble diagnosis for battery power supply. Refer to

PG-6, "Wiring Diagram - BATTERY

POWER SUPPLY -"

.

NO

>> Repair or replace error-detected parts.

5.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

1.

Turn the ignition switch OFF.

2.

Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace error-detected parts.

Special Repair Requirement

INFOID:0000000009718332

1.

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION AND CALIBRATION OF DECEL G

SENSOR

• After replacing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to

BRC-9, "ADJUSTMENT OF STEERING

ANGLE SENSOR NEUTRAL POSITION : Description"

.

- Calibration of decel G sensor: Refer to

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• After removing an ABS actuator and electric unit (control unit), be sure to perform the following procedure.

ABS actuator and electric unit

(control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

14

ABS actuator and electric unit

(control unit)

—

Voltage

(Approx.)

Connector

Terminal

E36

1

Ground

Battery voltage

14

ABS actuator and electric unit

(control unit)

—

Continuity

Connector

Terminal

E36

13

Ground

Existed

26

POWER SUPPLY AND GROUND CIRCUIT

BRC-91

< DTC/CIRCUIT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

- Calibration of decel G sensor: Refer to

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

• After removing/replacing a steering angle sensor, be sure to perform the following procedure.
- Adjustment of steering angle sensor neutral position: Refer to

BRC-9, "ADJUSTMENT OF STEERING

ANGLE SENSOR NEUTRAL POSITION : Description"

.

• After removing/replacing a yaw rate/side/decel G sensor, be sure to perform the following procedure.
- Calibration of decel G sensor: Refer to

BRC-10, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END