Instrument Cluster Inoperative. Chevrolet PJJ 2000

For 1990-2009 cars

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

1. Turn OFF the ignition.
2. Disconnect the instrument cluster connector and remove the connector combs.
3. Turn ON the ignition, with the engine OFF.
4. With a test lamp, backprobe between the battery positive voltage circuit and a known good ground.

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 circuits. Does the test lamp illuminate for each ground circuit? | Go to Step 5 | Go to Step 7
5 | With a test lamp, backprobe between the ignition 0 voltage circuit and 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 inoperative 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 1440). Did you find and correct the condition? | Go to Step 11 | Go to Step 10
10 | Replace the instrument cluster. Refer to IP 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