Low Engine Oil Level Indicator Always On
Low Engine Oil Level Indicator Always On
| Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics Connector End View Reference: Engine Control Module Connector End Views for the 4.6L engine or Engine Control Module Connector End Views for the 4.4L engine |
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| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Start the engine. Does the LOW OIL LEVEL message display in the driver information center (DIC)? |
- | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections |
| 3 |
|
- | Go to Step 11 | Go to Step 4 |
| 4 |
|
- | Go to Step 6 | Go to Step 5 |
| 5 | Test the signal circuit of the engine oil level switch for an open, for a high resistance or for a short to ground. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 7 |
| 6 | Test the low reference circuit or the ground circuit of the engine oil level switch for an open or for a high resistance. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 8 |
| 7 | Inspect for poor connections at the harness connector of the engine control module (ECM). Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 12 | Go to Step 9 |
| 8 | Inspect for poor connections at the harness connector of the engine oil level switch. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 12 | 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 12 | - |
| 10 | Replace the engine oil level switch. Refer to the following:
Did you complete the replacement? |
- | Go to Step 12 | - |
| 11 | Replace the instrument panel cluster (IPC). Refer to Control Module References
for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 12 | - |
| 12 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |