Nissan Sentra manuals

Nissan Sentra Service Manual: 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


  1. Turn the ignition switch ON.
  2. Select opti sen of bcm (head lamp) data monitor item.
  3. Turn the lighting switch to AUTO.

*: Illuminates the optical sensor. The value may be less than the standard


*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.

Is the inspection result normal? YES >> Optical sensor is normal.

NO >> Refer to EXL-103, "Diagnosis Procedure".

Diagnosis procedure

Regarding Wiring Diagram information, refer to EXL-53, "Wiring Diagram".

1.Check optical sensor power supply input

  1. Turn the ignition switch off
  2. Disconnect the optical sensor harness connector.
  3. Turn the ignition switch ON.
  4. Turn the lighting switch to auto.
  5. Check the voltage between the optical sensor harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 2.

No >> go to 3.

2.Check optical sensor ground circuit

  1. Turn the ignition switch off.
  2. Check continuity between the optical sensor harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 4.

NO >> GO TO 5.

3.Check optical sensor power supply for open circuit

  1. Turn the ignition switch off.
  2. Disconnect the bcm harness connector.
  3. Check continuity between optical sensor harness connector and bcm harness connector.


  1. Check continuity between optical sensor harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace bcm. Refer to bcs-73, "removal and installation".

No >> repair or replace the harness or connectors.

4.Check optical sensor signal open circuit

  1. Disconnect optical sensor connector and bcm connector.
  2. Check continuity between optical sensor harness connector and bcm harness connector.


  1. Check continuity between optical sensor harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace the optical sensor. Refer to exl-130, "removal and installation".

No >> repair or replace harness or connectors.

5.Check optical sensor ground for open circuit

  1. Disconnect the bcm harness connector.
  2. Check continuity between optical sensor harness connector and bcm harness connector.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation".

NO >> Repair or replace harness or connector.

Turn signal lamp circuit
Description The bcm monitors inputs from the combination switch to determine when to activate the turn signals. The bcm outputs voltage direction to the left and right turn signals during turn ...

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 hazar ...

Other materials:

Abs branch line circuit
Diagnosis procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit side and connector side). ...

DTC/circuit diagnosis
U1000 can comm Description Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description". Dtc logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms a ...

Service data and specifications (SDS)
Idle speed *: Under the following conditions A/C switch: OFF Electric load: OFF (Lights, heater fan & rear window defogger) Steering wheel: Kept in straight-ahead position Ignition timing *: Under the following conditions A/C switch: OFF Electric load: OFF (Lights, hea ...

В© 2014-2019 Copyright www.nisentra.com