Diagnostic Aids
| • | The wait to start indicator illuminates only with the ignition ON and the engine OFF. The wait to start indicator will not illuminate during post-start glow plug operation. |
| • | The wait to start indicator will not stay ON for long at higher engine temperatures. |
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 |
Does the wait to start indicator illuminate in the message center and then turn OFF? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Does the wait to start indicator illuminate continuously in the message center? | Go to Step 4 | Go to Diagnostic Aids |
4 |
Does the wait to start indicator illuminate continuously in the message center? | Go to Step 5 | Go to Step 7 |
5 | Test the wait to start indicator control circuit for a short to ground. Refer to Circuit Testing and to Wiring Repairs . Did you find and correct the condition? | Go to Step 10 | Go to Step 6 |
6 | Inspect for poor connections at the harness connector of the message center. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition? | Go to Step 10 | Go to Step 8 |
7 | Inspect for poor connections at the harness connector of the ECM. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs . Did you find and correct the condition? | Go to Step 10 | Go to Step 9 |
8 | Replace the message center. Refer to Telltale Circuit Board Replacement . Did you complete the replacement? | Go to Step 10 | -- |
9 | Replace the ECM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
