Step
| Action
| Value(s)
| Yes
| No
|
1
| Has the vehicle been inspected for Diagnostic Trouble Codes (DTCs)?
| --
| Go to
Step 2
| Go to
Powertrain On Board Diagnostic (OBD) System Check
in Engine Controls - 3.1L (LG8)
|
2
| Inspect
the fuel gauge.
Does the fuel gauge work?
| --
| Go to
Step 3
| Go to
Powertrain On Board Diagnostic (OBD) System Check
in Engine Controls
- 3.1L (LG8)
|
3
|
- Disconnect the engine oil level sensor connector.
- Turn the ignition switch to the RUN position.
- Connect a 3 amp fused jumper between the engine oil level
sensor harness connector terminal A and ground.
Is the low oil level indicator ON?
| --
| Go to
Step 4
| Go to
Step 7
|
4
|
- Turn the ignition switch to the OFF position.
- Disconnect the powertrain control module connector C2.
- Turn the ignition switch to the ON position.
Is the low oil level indicator ON?
| --
| Go to
Step 5
| Go to
Step 6
|
5
|
- Inspect for a short to ground on CKT 1173.
- If the circuit is OK, replace the instrument cluster. Refer to
Instrument Cluster Replacement
.
- Inspect the system.
Is the symptom still present?
| --
| Go to
Step 6
| System OK
|
6
|
- Inspect for a poor connection or an open in CKT 1174.
- If the circuit is OK, replace the powertrain control module. Refer
to Engine Controls.
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
7
| Connect a 3 amp fused jumper between the engine
oil level sensor harness connector terminals A and B.
Is the low oil level indicator ON?
| --
| Go to
Step 9
| Go to
Step 8
|
8
|
- Inspect for a poor connection at the engine oil level sensor connector.
- If OK, replace the engine oil level sensor. Refer to
Powertrain Control Module Replacement/Programming
in Engine Controls - 3.1L (LG8).
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
9
|
- Repair the poor connection or the open in CKT 451 between
the engine oil level sensor harness connector terminal B and G113.
- Inspect the system.
Is the symptom still present?
| --
| --
| System OK
|
