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Check Ignition Switch Illumination

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK IGNITION CIRCUIT. 
Check the ignition circuit. < Ref. to CHECK IGNITION SWITCH CIRCUIT , INSPECTION, Security System. >		 Is the switch circuit normal? Go to step 2.  Repair or replace.
2 CHECK DOOR SWITCH CIRCUIT. 
Inspect door switch circuit. < Ref. to CHECK DOOR SWITCH , INSPECTION, Keyless Entry System. >		 Is the switch circuit normal? Go to step 3.  Repair or replace.
3 CHECK FUSE. 
Remove and visually check fuse No. 14 (in the main fuse box).		 Is the fuse blown out? Replace the fuse with a new part. Go to step 4. 
4 CHECK HARNESS. 
  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? Go to step 5.  Check the harness for open or short circuits between the ignition switch illumination and fuse.
5 CHECK IGNITION SWITCH ILLUMINATION CIRCUIT. 
  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? Go to step 6.  Check the harness for open circuits and shorts between the body integrated unit and ignition switch illumination.
6 CHECK IGNITION SWITCH ILLUMINATION BULB. 
Apply battery voltage between terminals of the bulb.
Terminals 
No. 2 (+) - No. 6 (-): 		 Does the bulb illuminate? Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . > Replace the immobilizer antenna. < Ref. to REMOVAL , Immobilizer Antenna. >
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