Pinpoint Test

1. Disconnect: BCM fuse 28 (15A).
2. Attempt to turn the ignition lock cylinder to the RUN position and then back to the OFF position and remove the key.

Can the ignition lock cylinder be turned to the OFF position and can the key be removed? 

1. Yes:  GO to  3.
2. No  : GO to 2  .

1. Remove the ignition switch. REFER to Ignition Switch .
2. Attempt to turn the ignition lock cylinder to the OFF position and remove the ignition key.

Does the ignition lock cylinder turn to the OFF position and can the key be removed? 

1. Yes:  INSTALL a new ignition switch. REFER to Ignition Switch .
2. No  : REFER to DIAGNOSTIC ROUTINE V : The Ignition Key Cannot Be Returned to the OFF Position.

1. Select PARK.
2. Disconnect: Ignition Switch.
3. Measure:

   Ignition Switch			Ground
   C250			Ground
   Pin	Circuit	Measurement / Action	Pin	Circuit
   3	CDC41 (WH/BN)		-	Ground

Is the resistance to ground greater than 10, 000 ohms? 

1. Yes:  INSTALL a new ignition switch. REFER to Ignition Switch .
2. No  : GO to 4  .

1. Disconnect: Brake Shift Interlock.
2. Measure:

   Ignition Switch			Ground
   C250			Ground
   Pin	Circuit	Measurement / Action	Pin	Circuit
   3	CDC41 (WH/BN)		-	Ground

Is the resistance to ground greater than 10, 000 ohms? 

1. Yes:  INSTALL a new selector lever:

   REFER to SELECTOR LEVER , or

   For Select Shift, REFER to SELECTOR LEVER .

2. No  : REPAIR the circuit.