Engine Coolant Temperature Gage Inaccurate or Inoperative
Engine Coolant Temperature Gage Inaccurate or Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you review the Instrument Panel Cluster (IPC) Description and Operation and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Instrument Panel, Gages and Console |
| 2 | Verify that the engine coolant temperature (ECT) gage is inoperative. Does the ECT gage operate normally? |
Go to TESTING FOR INTERMITTENT AND POOR CONNECTIONS | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Step 5 |
| 4 | Replace the ECT sending unit. Did you complete the repair? |
Go to Step 10 | - |
| 5 | Test for a short to ground condition from the instrument cluster connector C3, cavity 4 and the ECT sending unit cavity 2. Does a short to ground condition exist? |
Go to Step 6 | Go to Step 7 |
| 6 | Repair the open in the YEL/WHT wire between the instrument panel cluster assembly and the ECT sending unit. Did you complete the repair? |
Go to Step 10 | - |
| 7 | Inspect for damage or loose connections in the instrument panel cluster printed circuit. Does damage or loose connections exist? |
Go to Step 8 | Go to Step 9 |
| 8 | Replace the instrument panel cluster printed circuit. Refer to Instrument Cluster Printed Circuit Replacement . Did you complete the repair? |
Go to Step 10 | - |
| 9 | Replace the ECT gage. Refer to Instrument Panel Cluster (IPC) Replacement . Did you complete the repair? |
Go to Step 10 | - |
| 10 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |