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:
Component parts
Component Parts Location
ABS actuator and electric unit (control
unit)
IPDM E/R
Brake fluid level switch
Front wheel sensor LH (RH similar)
Rear wheel sensor LH (RH similar)
VDC OFF switch
Steering angle sensor
(view with steering wheel removed)
Sto ...
P0447 EVAP Canister vent control valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0447
VENT CONTROL VALVE
(Evaporative emission system vent
control circuit open)
An improper voltage signal is sent to
ECM throug ...
Ecu diagnosis information
ECM
Reference Value
VALUES ON THE DIAGNOSIS TOOL
NOTE:
The following table includes information (items) inapplicable to this
vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Numerical values in the following table are reference values.
Thes ...