*CHIME INOPERATIVE WITH KEY IN IGNITION & DRIVER DOOR OPEN
For a complete wiring diagram Refer to Section 8W.
| Possible Causes |
| BODY CONTROL MODULE (BCM) DTC(S) PRESENT |
| (Z938) GROUND CIRCUIT OPEN |
| (G15) KEY-IN IGNITION SWITCH SENSE CIRCUIT OPEN |
| IGNITION SWITCH OPEN |
| BODY CONTROL MODULE (BCM) |
Diagnostic Test
1.CHECK FOR DTCs IN THE BODY CONTROL MODULE (BCM)NOTE: The driver door ajar switch must be operational for the result of this test to be valid.
Does the scan tool display any Cluster Wake Up Output or Communication DTCs?
Yes
- Refer to the Table of Contents in (Refer to 8 - ELECTRICAL/INSTRUMENT CLUSTER - DIAGNOSIS AND TESTING) or in (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the applicable diagnostic procedures.
No
- Go To 2
2.CHECK THE KEY IN IGNITION STATUS WITH THE SCAN TOOL
Does the scan tool display: Key In Ignition?
Yes
- Replace and program the BCM in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Go To 3
3.CHECK FOR AN OPEN IGNITION SWITCH
Does the scan tool display: Key In Ignition?
Yes
- Replace the Ignition Switch in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Go To 4
4.CHECK THE (Z938) GROUND CIRCUIT FOR AN OPEN
Is the resistance below 5.0 ohms?
Yes
- Go To 5
No
- Repair the (Z938) Ground circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
5.CHECK THE (G15) KEY-IN IGNITION SWITCH SENSE CIRCUIT FOR AN OPEN
Is the resistance below 5.0 ohms?
Yes
- Replace and program the BCM in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).
No
- Repair the (G15) Key-In Ignition Switch Sense circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE).