Nissan GT-R. Manual — part 262
SEAT BELT WARNING LAMP
SBC-9
< DTC/CIRCUIT DIAGNOSIS >
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SBC
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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
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