Infiniti G35 (V35) Sedan. Manual - part 1433

WCS-16

< FUNCTION DIAGNOSIS >

DIAGNOSIS SYSTEM (BCM)

DATA MONITOR

ACTIVE TEST

Test item

Diagnosis mode

Description

BUZZER

Data Monitor

Displays BCM input data in real time.

Active Test

Operation of electrical loads can be checked by sending driving signal to them.

Display item

[Unit]

Description

VEH SPEED 1
[Km/h]

Value of vehicle speed signal received from ABS actuator and electric unit (control unit) with CAN 
communication line.

PUSH SW
[On/Off]

Status of push button ignition switch judged by BCM.

UNLK SEN-DR
[On/Off]

Status of unlock sensor judged by BCM.

KEY SW-SLOT
[On/Off]

Status of key slot judged by BCM.

TAIL LAMP SW
[On/Off]

Status of each switch judged by BCM using the combination switch readout function.

FR FOG SW
[On/Off]

Status of front fog lamp switch judged by BCM.

DOOR SW-DR
[On/Off]

Status of driver side door switch judged by BCM.

Display item

[Unit]

Description

IGN KEY WARN ALM

The key warning chime operation can be checked by operating the relevant function (On/Off).

SEAT BELT WARN TEST

The seat belt warning chime operation can be checked by operating the relevant function (On/Off).

ID REGIST WARNING

The ID regist warning chime operation can be checked by operating the relevant function (On/Off).

LIGHT WARN ALM

The light warning chime operation can be checked by operating the relevant function (On/Off).

RUN FLAT/T WARN BUZZER

The run-flat tire warning chime operation can be checked by operating the relevant function (On/Off).

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-17

< COMPONENT DIAGNOSIS >

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COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

INFOID:0000000000964487

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between combination meter harness connector M53 terminals 1, 21 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between combination meter and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector.

3.

Check continuity between combination meter harness connector M53 terminals 5, 15, 22 and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

UNIFIED METER AND A/C AMP.

UNIFIED METER AND A/C AMP. : Diagnosis Procedure

INFOID:0000000000964488

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between unified meter and A/C amp. harness connector M67 terminals 54, 41, 53 and ground.

Power source

Fuse No.

Battery

11

Ignition switch ON or START 

4

Terminal No.

Signal name

Ignition switch position

Value (Approx.)

1

Battery power supply

OFF

Battery voltage

21

Ignition signal

ON

Battery voltage

5, 15, 22 - Ground

: Continuity should exist.

Power source

Fuse No.

Battery

6

Ignition switch ACC or ON

19

Ignition switch ON or START

3

WCS-18

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between unified meter and A/C amp. and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect unified meter and A/C amp. connector.

3.

Check continuity between unified meter and A/C amp. harness connector M67 terminals 55, 71 and
ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

INFOID:0000000000964489

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.

Terminal No.

Signal name

Ignition switch position

Value (Approx.)

54

Battery power supply

OFF

Battery voltage

41

ACC power supply

ACC

Battery voltage

53

Ignition signal

ON

Battery voltage

55, 71 - Ground

: Continuity should exist.

Terminal No.

Signal name

Fuse and fusible link No.

1

Battery power supply

K

11

10

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-19

< COMPONENT DIAGNOSIS >

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Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

BCM (BODY CONTROL MODULE) : Special Repair Requirement

INFOID:0000000000964490

1.

REQUIRED WORK WHEN REPLACING BCM

Initialize IVIS by CONSULT-III. For the details of initialization refer to CONSULT-III operation manual NATS-
IVIS/NVIS.

>> Work end.

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed