Diagnostic Aids
The ignition lock cylinder may be the source of the short to ground in the ignition switch. With the ignition switch is still connected, remove the ignition switch from the ignition lock cylinder. If the chime stops, the ignition lock cylinder needs to be inspected. Physically examine the ignition lock cylinder for any stuck out pins or plunger that may cause a short to ground in the ignition switch.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Audible Warnings Schematics | |||
1 | Did you perform the Audible Warnings Diagnostic System Check? | Go to Step 2 | |
2 | Are any indicators illuminated? | Go to Step 3 | |
3 |
Does the chime sound? | Go to Step 4 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
4 |
Does the Key in Ignition parameter display Off? | Go to Step 6 | Go to Step 5 |
5 | Test the key in ignition signal circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 8 | Go to Step 7 |
6 | Replace the ignition switch. Refer to Ignition and Start Switch Replacement in Steering Wheel and Column. Did you complete the replacement? | Go to Step 8 | -- |
7 |
Important: Program the replacement BCM. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
