Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Instrument Cluster Diagnostic System Check? | Go to Step 2 | Go to A Diagnostic System Check - Instrument Cluster |
2 | Verify the fault is present. Does the system operate properly? | Go to Testing for Intermittent and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the test lamp illuminate? | Go to Step 4 | Go to Step 8 |
4 | With a test lamp, backprobe between the battery positive voltage circuit and the ground circuit. Does the test lamp illuminate? | Go to Step 5 | Go to Step 7 |
5 | With a test lamp, backprobe between the ignition 0 voltage circuit and a known good ground. Does the test lamp illuminate? | Go to Step 9 | Go to Step 6 |
6 | Repair the open or short to ground in the Ignition 0 voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
7 | Repair the open in the ground circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
8 | Repair the open or short to ground in the battery positive voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 11 | -- |
9 | Test for an open or short to ground in the battery positive voltage feed to the BCM (CKT 1540). Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
10 | Replace the instrument cluster. Refer Instrument Cluster Replacement . Did you complete the replacement? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Does the system operate properly? | System OK | Go to Step 3 |
