Check Ignition Switch Illumination

Check the ignition circuit. Refer to SECURITY AND LOCKS>SECURITY SYSTEM>INSPECTION>CHECK IGNITION SWITCH CIRCUIT .

Is the switch circuit normal?

Yes:  Go to  2.

No:  Repair or replace.

Inspect door switch circuit. Refer to SECURITY AND LOCKS>KEYLESS ENTRY SYSTEM>INSPECTION>CHECK DOOR SWITCH .

Is the switch circuit normal?

Yes:  Go to  3.

No:  Repair or replace.

Remove and visually check fuse No. 14 (in the main fuse box).

Is the fuse blown out?

Yes:  Replace the fuse with a new part.

No:  Go to  4.

1. Disconnect the ignition switch illumination connector.
   NOTE: The ignition switch illumination is integrated into the immobilizer antenna.
2. Measure the voltage between ignition switch illumination connector and chassis ground.

   Connector & terminal 

   (B415) No. 2 (+) - Chassis ground (-):

Is the voltage 10 V or more?

Yes:  Go to  5.

No:  Check the harness for open or short circuits between the ignition switch illumination and fuse.

1. Disconnect the connector of body integrated unit.
2. Check the harness between body integrated unit and ignition switch illumination.

   Connector & terminal 

   (B280) No. 25 - (B415) No. 6:

Is harness normal?

Yes:  Go to  6.

No:  Check the harness for open circuits and shorts between the body integrated unit and ignition switch illumination.

Apply battery voltage between terminals of the bulb.

Terminals 

No. 2 (+) - No. 6 (-):

Does the bulb illuminate?

Yes:  Replace the body integrated unit. Refer to SECURITY AND LOCKS>BODY INTEGRATED UNIT .

No:  Replace the immobilizer antenna. Refer to SECURITY AND LOCKS>IMMOBILIZER ANTENNA>REMOVAL .