Nissan Sentra manuals

Nissan Sentra Service Manual: Illumination control switch signal circuit

Diagnosis procedure

Regarding wiring diagram information, refer to mwi-28, "wiring diagram".

1.Check combination meter input signal

  1. Turn ignition switch on.
  2. Check voltage between the following terminals of the illumination control switch.

Is the inspection result normal?


Is the inspection result normal? YES >> Inspection End.

NO >> GO TO 2.

2.Check illumination control switch signal circuit

  1. Turn ignition switch off
  2. Disconnect combination meter connector m24 and illumination control switch connector m66.
  3. Check continuity between combination meter harness connector and illumination control switch harness connector.


  1. Check continuity between combination meter harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check illumination control switch. Refer to mwi-56, "component inspection".

No >> repair or replace harness or connector.

Component inspection

1.Check illumination control switch

  1. Turn ignition switch OFF.
  2. Disconnect illumination control switch connector.
  3. Check illumination control switch.

Is the inspection result normal?


Is the inspection result normal? Yes >> inspection end.

No >> replace illumination control switch. Refer to mwi-80, "removal and installation".

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Precaution for work
When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth. When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a ...

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