Nissan Sentra Service Manual: Hazard switch
Component function check
1.Check hazard switch signal by consult
Consult data monitor
- Turn ignition switch ON.
- Select hazard sw of bcm (flasher) data monitor item.
- While operating the hazard switch, check the monitor status.
Is the inspection result normal? Yes >> hazard switch circuit is normal.
No >> refer to exl-105, "diagnosis procedure".
Diagnosis procedure
Regarding wiring diagram information, refer to exl-58, "wiring diagram".
1.Check hazard switch signal input
- Turn ignition switch off.
- Disconnect hazard switch connector.
- Turn ignition switch on
- Check voltage between hazard switch harness connector and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.Check hazard switch signal open circuit
- Turn ignition switch off.
- Disconnect BCM connector.
- Check continuity between hazard harness connector and bcm harness connector.
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connector.
3.Check hazard switch signal short circuit
Check continuity between hazard switch harness connector and ground.
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key system) or BCS- 126, "Removal and Installation" (without Intelligent Key system).
NO >> Repair or replace harness or connector.
4.Check hazard switch ground open circuit
Check continuity between hazard switch harness connector and ground.
Is the inspection result normal? Yes >> replace hazard switch. Refer to exl-129, "removal and installation".
No >> repair or replace harness or connector.
Optical sensor
Description
The optical sensor measures ambient light and transmits the optical sensor
signal to the bcm.
Component function check
1.Check optical sensor signal by consult
Consult
Turn the ...
Other materials:
Precautions when starting and driving
WARNING
Do not leave children or adults who
would normally require the assistance
of others alone in your vehicle. Pets
should also not be left alone. They
could accidentally injure themselves or
others through inadvertent operation of
the vehicle. Also, on hot, su ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
NOTE:
“DTC” includes DTC at the 1st trip.
1.OBTAIN INFORMATION ABOUT SYMPTOM
Refer to TM-140, "Diagnostic Work Sheet" and interview the customer to obtain
the malfunction information
(conditions and environment when the malfunctio ...
Battery terminal with fusible link
Exploded view
Battery terminal with fusible link
Harness connector
Removal and installation
Removal
Loosen the battery terminal nuts and disconnect both battery negative and
positive terminals. Refer to
pg-50, "exploded view".
Caution:
To prevent damage to the parts, di ...