Nissan Sentra manuals

Nissan Sentra Service Manual: Push-button ignition switch illumination circuit

Nissan Sentra Service Manual / Driver controls / Interior lighting system / Dtc/circuit diagnosis / Push-button ignition switch illumination circuit

Description

Provides the power supply and the ground to control the push-button ignition switch illumination.

Component function check

1.Check push-button ignition switch illumination operation

Consult active test


  1. Turn the ignition switch ON.
  2. Select engine sw illumi of bcm (intelligent key) active test item.
  3. With operating the test items, check that the push-button ignition switch illumination turns ON/OFF.

On : push-button ignition switch illumination on

Off : push-button ignition switch illumination off

Does the push-button ignition switch illumination turn on/off? Yes >> push-button ignition switch illumination circuit is normal.

No >> refer to inl-49, "diagnosis procedure".

Diagnosis procedure

Regarding wiring diagram information, refer to inl-26, "wiring diagram".

1.Check push-button ignition switch illumination power supply output

  1. Turn the ignition switch OFF
  2. Disconnect push-button ignition switch connector.
  3. Check voltage between push-button ignition switch harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 4.

No >> go to 2.

2.Check push-button ignition switch illumination power supply open circuit

  1. Disconnect bcm connector.
  2. Check continuity between bcm harness connector and the push-button ignition switch harness connector.

Is the inspection result normal?


Is the inspection result normal? Yes >> go to 3.

No >> repair or replace harness or connector.

3.Check push-button ignition switch illumination power supply short circuit

Check continuity between bcm harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> Replace BCM. Refer to BCS-73, "Removal and Installation" (with Intelligent Key), BCS-126, "Removal and Installation" (without Intelligent Key).

NO >> Repair or replace harness or connector.

4.Check push-button ignition switch illumination ground circuit

Check continuity between push-button ignition switch harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> replace push-button ignition switch. Refer to sec-136, "removal and installation".

No >> repair or replace harness or connector.

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