Step | Action | Values | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Instrument Cluster Schematics Connector End View References: Instrument Panel, Gages, and Console Connector End Views , Powertrain Control Module Connector End Views for the 4.3L engine, Powertrain Control Module Connector End Views for the 4.8L, 5.3L, and 6.0L engine or Engine Control Module Connector End Views for the 6.6L (LLY) engine | ||||||||||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | |||||||
2 |
Does the Engine Oil Level Switch parameter display Ok? | -- | Go to Step 3 | Go to Step 4 | ||||||
3 | Does the low engine oil level indicator remain illuminated after the displays test? | -- | Go to Step 11 | Go to Testing for Intermittent Conditions and Poor Connections | ||||||
4 |
Does the Engine Oil Level Switch 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 8 | ||||||
6 | Test 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 7 | ||||||
7 | 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 9 | ||||||
8 | Inspect for poor connections at the harness connector of the 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 10 | ||||||
9 | Replace the engine oil level switch. Refer to:
Did you complete the replacement? | -- | Go to Step 12 | -- | ||||||
10 | Replace the PCM. Refer to Control Module References for replacement, setup, and programming. 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 | ||||||
