Step | Action | Values | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics Connector End View Reference: Engine Controls Connector End Views in Engine Controls - 5.3 L, Powertrain Control Module Connector End Views in Engine Controls - 3.8 L or to Inline Harness Connector End Views | ||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | |||||||
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 |
Does the Engine Oil Level Switch parameter display OK? | -- | Go to Step 11 | Go to Step 4 | ||||||
4 |
Does the Engine Oil Level parameter display OK? | -- | Go to Step 6 | Go to Step 5 | ||||||
5 | Test the signal circuit of the engine oil level switch for the following:
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 ECM/PCM. 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/PCM. 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 Engine Oil Level Sensor and/or Switch Replacement in Engine Mechanical 5.3 L or Engine Oil Level Sensor and/or Switch Replacement in Engine Mechanical 3.8 L. 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 | ||||||
