Diagnosis Procedure

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

1. CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION OPERATION 

   CONSULT

   1. Turn the ignition switch ON.
   2. Select "ENGINE SW ILLUMI" in "Active Test" mode of "BCM".
   3. While operating the test item, check voltage between push-button ignition switch connector terminal and ground.

   (+)		(-)	Test item	Voltage (Approx.)
   Push-button ignition switch		Ground	ENGINE SW ILLUMI
   Connector	Terminal
   M38	5		ON	5 V
   			OFF	0 V

   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. Turn the ignition switch OFF.
   2. Disconnect BCM harness connector and the push-button ignition switch harness connector.
   3. Check continuity between BCM harness connector and the push-button ignition switch harness connector.

   BCM		Push-button ignition switch		Continuity
   Connector	Terminal	Connector	Terminal
   M20	48	M38	5	Yes

   Is the inspection result normal?

   YES

   GO TO 3 .

   NO

   Repair or replace harness or connectors.

3. CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT 

   Check continuity between BCM harness connector and ground.

   BCM		Ground	Continuity
   Connector	Terminal
   M20	48		No

   Is the inspection result normal?

   YES

   Replace BCM. Refer to Removal and Installation .

   NO

   Repair or replace harness or connectors.

4. CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT 
   1. Turn the ignition switch OFF.
   2. Disconnect push-button ignition switch harness connector.
   3. Check continuity between push-button ignition switch harness connector and ground.

      Push-button ignition switch		Ground	Continuity
      Connector	Terminal
      M38	6		Yes

   Is the inspection result normal?

   YES

   Replace push-button ignition switch. Refer to Removal and Installation .

   NO

   GO TO 5 .

5. CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND OPEN CIRCUIT 
   1. Disconnect BCM harness connector and push-button ignition switch harness connector.
   2. Check continuity between BCM harness connector and push-button ignition switch harness connector.

      Push-button ignition switch		BCM		Continuity
      Connector	Terminal	Connector	Terminal
      M38	6	M18	107	Yes

   Is the inspection result normal?

   YES

   Replace BCM. Refer to Removal and Installation .

   NO

   Repair or replace harness or connectors.