Volt Gage Inaccurate or Inoperative
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Volt Gage Inaccurate or Inoperative
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics | ||||
| 1 | Did you perform the IPC Diagnostic System Check? | - | Go to Step 2 | Go to Diagnostic System Check - Instrument Cluster |
| 2 |
|
- | Go to Step 3 | Go to Step 6 |
| 3 | With a scan tool, observe the Ignition 1 parameter in the IPC data 1 list. Does the scan tool indicate that the Ignition 1 parameter is within the specified range? |
8.0-16.0 V | Go to Step 4 | Go to Step 5 |
| 4 | With a scan tool, observe the Ignition 1 parameter in the IPC data 1 list and the voltage gage display on the IPC. Does the scan tool display correspond with the voltage gage display within the specified value? |
0.5 V | System OK | Go to Step 6 |
| 5 | Test the ignition positive voltage circuit of the IPC for a short to ground or an open. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 7 | Go to Step 6 |
| 6 | Replace the IPC. Refer to Instrument Panel Cluster (IPC) Replacement . Did you complete the replacement? |
- | Go to Step 7 | - |
| 7 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |