Infiniti G37 Coupe. Manual — part 1224
SRC-146
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
JCHWA0106GB
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
SRC-147
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
SRS AIR BAG WARNING LAMP DOES NOT TURN OFF
Diagnosis Procedure
INFOID:0000000001694652
1.
CHECK FRONT AIR BAG MODULE
Check the deployment of front air bag module.
Is air bag module deployed?
YES
>> Refer to
SRC-131, "Diagnosis Procedure (Component diagnosis)"
NO
>> GO TO 2.
2.
CHECK AIR BAG FUSE
Check the air bag fuse. Refer to
PG-92, "Fuse and Fusible Link Arrangement"
.
Is 10A fuse [No.2, located in fuse block (J/B)] normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK AIR BAG FUSE AGAIN
Replace air bag fuse and turn ignition switch ON.
Did the air bag fuse blow again?
YES
>> Repair or replace main harness.
NO
>> INSPECTION END
4.
CHECK DIAGNOSIS SENSOR UNIT
Check the screen of CONSULT-III.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace diagnosis sensor unit (ACU). Refer to
5.
CHECK HARNESS CONNECTION
Check harness connection between air bag warning lamp and diagnosis sensor unit.
Is the inspection result normal?
YES
>> Check the intermittent incident. Refer to
GI-38, "Intermittent Incident"
.
NO
>> Replace wiring harness connector.
SRC-148
< SYMPTOM DIAGNOSIS >
SRS AIR BAG WARNING LAMP DOES NOT TURN ON
SRS AIR BAG WARNING LAMP DOES NOT TURN ON
Diagnosis Procedure
INFOID:0000000001879545
“SRS AIR BAG” Warning Lamp Does Not Turn ON
1.
CHECK METER FUSE
Check the meter fuse. Refer to
PG-92, "Fuse and Fusible Link Arrangement"
.
Is 10A fuse [No.4, located in fuse block (J/B)] normal?
YES
>> GO TO 3.
NO
>> GO TO 2.
2.
CHECK METER FUSE AGAIN
Replace 10A fuse [No.4, located in fuse block (J/B)] and turn ignition switch ON.
Did the meter fuse blow again?
YES
>> Repair or replace the related harness.
NO
>> INSPECTION END
3.
CHECK HARNESS CONNECTION
1.
Check harness connection between diagnosis sensor unit and combination meter.
2.
Disconnect diagnosis sensor unit connector and turn ignition switch ON.
Did air bag warning lamp turn ON?
YES
>> Replace diagnosis sensor unit (ACU). Refer to
NO
>> Replace combination meter assembly. Refer to
MWI-160, "Removal and Installation"
.
PASSENGER SEAT BELT WARNING SYSTEM
SRC-149
< SYMPTOM DIAGNOSIS >
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PASSENGER SEAT BELT WARNING SYSTEM
Diagnosis Procedure
INFOID:0000000001694653
1.
CHECK THE SYSTEM 1
Check the seat belt warning lamp function.
Sea tbelt warning lamp turns ON in the following conditions.
• Driver seat belt is fastened.
• Occupant is on passenger seat.
• Passenger seat belt is not fasten.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>>
Check the followings.
• Harness between air bag diagnosis sensor unit and combination meter.
• Seat belt buckle switch (passenger side) circuit.
• Seat belt buckle switch (passenger side).
If these are OK, replace air bag diagnosis sensor unit.
2.
CHECK THE SYSTEM 2
Check the seat belt warning lamp function.
Seat belt warning lamp turns OFF in the following conditions.
• Driver seat belt is fastened.
• Occupant is on passenger seat.
• Passenger seat belt is fastened.
Is the inspection result normal?
YES
>> System is OK.
NO
>>
Check the followings.
• Seat belt buckle switch (passenger side) circuit.
• Seat belt buckle switch (passenger side).
If these are OK, replace air bag diagnosis sensor unit.
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