For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Check the vehicle for Diagnostic Trouble Codes (DTCs). Are any DTCs present? | -- | Go to Diagnostic Trouble Code (DTC) List in Engine Controls | Go to Step 2
2 | Does the fuel gage work? | -- | Go to Step 3 | Go to Instrument Cluster Indicators and Gauges Inoperative
3 |

1. Turn the ignition switch to the OFF position.
2. Disconnect the powertrain control module connector C2.
3. Turn the ignition switch to the RUN position.
4. Connect a fused (3 amp) fused jumper between the powertrain control module harness connector C2 terminal 6 and ground.

Is the OIL LEVEL indicator on?

--

Go to Step 4

Go to Step 5

4 | Replace the powertrain control module (PCM). Refer to Powertrain Control Module Replacement/Programming in Engine Controls. Has the repair been made and the system rechecked? | -- | System OK | --
5 | Check for a poor connection or open in CKT 1173. Is there a poor connection or open in CKT 1173? | -- | Go to Step 6 | Go to Step 7
6 | Repair the poor connection or open in CKT 1173. Has the repair been made and the system rechecked? | -- | System OK | --
7 |

1. Reconnect the PCM C2 connector.
2. Disconnect the engine oil level sensor.
3. Start the engine.

Is the OIL LEVEL indicator on?

--

Go to Step 8

Go to Step 9

8 | Replace the engine oil level indicator switch. Refer to Engine Oil Level Indicator Switch Replacement in Engine Controls. Has the repair been made and the system rechecked? | -- | System OK | --
9 |

1. Turn the ignition switch to the OFF position.
2. Check for a short to ground in CKT 1174.

Is there a short to ground in CKT 1174?

--

Go to Step 10

Go to Step 11

10 | Repair the short to ground in CKT 1174. Has the repair been made and the system rechecked? | -- | System OK | --
11 |

1. Check the oil level indicator bulb and bulb connection.
2. If OK, replace the instrument cluster. Refer to Instrument Cluster Replacement .

Has the repair been made and the system rechecked?

--

System OK

--