Infiniti EX35. Manual - part 1491

 

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Infiniti EX35. Manual - part 1491

 

 

WCS

DIAGNOSIS SYSTEM (BCM)

WCS-19

< FUNCTION DIAGNOSIS >

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ACTIVE TEST

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).

WCS-20

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

INFOID:0000000003554658

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 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 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:0000000003554659

1.

CHECK FUSE

Check for blown fuses.

Power source

Fuse No.

Battery

11

Ignition switch ACC or ON

19

Ignition switch ON or START 

4

Terminals

Ignition switch position

Value (Approx.)

(+)

(-)

Combination meter

Terminal

Signal name

M53

1

Battery power supply

Ground

OFF

Battery voltage

23

ACC power supply

ACC

Battery voltage

21

Ignition signal

ON

Battery voltage

Combination meter

Ground

Continuity

Connector

Terminal

M53

5

Existed

15

Existed

22

Existed

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-21

< COMPONENT DIAGNOSIS >

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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 and ground.

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 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:0000000003733151

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.

Power source

Fuse No.

Battery

6

Ignition switch ACC or ON

19

Ignition switch ON or START

3

Terminals

Ignition switch position

Value (Approx.)

(+)

(-)

Unified meter A/C amp.

Terminal

Signal name

M67

54

Battery power supply

Ground

OFF

Battery voltage

41

ACC power supply

ACC

Battery voltage

53

Ignition signal

ON

Battery voltage

Unified meter A/C amp.

Ground

Continuity

Connector

Terminal

M67

55

Existed

71

Existed

Signal name

Fuse and fusible link No.

Battery power supply

K

10

WCS-22

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

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.

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

 

 

 

 

 

 

 

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