Nissan GT-R. Manual - part 262

SEAT BELT WARNING LAMP

SBC-9

< DTC/CIRCUIT DIAGNOSIS >

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SEAT BELT WARNING LAMP

Diagnosis Procedure

INFOID:0000000009161820

1.

CHECK COMBINATION METER GROUND CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect air bag diagnosis sensor unit connector.

3.

Driver seat belt is fastened.

4.

Turn the ignition switch ON.

5.

Check that voltage between air bag diagnosis sensor unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace air bag diagnosis sensor unit.

NO

>> GO TO 2.

2.

CHECK COMBINATION METER GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector.

3.

Check continuity between combination meter harness connector and air bag diagnosis sensor unit har-
ness connector.

4.

Check continuity between combination meter and ground.

Is the inspection result normal?

YES

>> Replace combination meter.

NO

>> Repair or replace harness between combination meter and air bag diagnosis sensor unit.

(+)

(–)

Voltage (V)

(Approx.)

Air bag diagnosis sensor unit

Connector

Terminal

M157

24

Ground

Battery voltage

Combination meter

Air bag diagnosis sensor unit

Continuity

Connector

Terminal

Connector

Terminal

M53

29

M157

24

Existed

Combination meter

Ground

Continuity

Connector

Terminal

M53

29

Not existed

SBC-10

< DTC/CIRCUIT DIAGNOSIS >

SEAT BELT WARNING SYSTEM

SEAT BELT WARNING SYSTEM

Wiring Diagram - SEAT BELT WARNING SYSTEM -

INFOID:0000000009161821

For connector terminal arrangements, harness layouts, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

JRHWC0357GB

DIAGNOSIS SENSOR UNIT

SBC-11

< ECU DIAGNOSIS INFORMATION >

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ECU DIAGNOSIS INFORMATION

DIAGNOSIS SENSOR UNIT

Wiring Diagram - SRS AIR BAG CONTROL SYSTEM -

INFOID:0000000009161823

For connector terminal arrangements, harness layouts, and alphabets in a 

 (option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

JRHWC0358GB

SBC-12

< ECU DIAGNOSIS INFORMATION >

DIAGNOSIS SENSOR UNIT

JRHWC0359GB