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
| Does the
fuel gauge operate?
| --
| Go to
Step 3
| Go to
Fuel Gage Inaccurate or Inoperative
|
3
|
- Turn the ignition switch to the OFF position.
- Disconnect the powertrain control module connector C2.
- Turn the ignition switch to the RUN position.
- Connect a 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 - 3.1L (LG8).
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
5
| Inspect for a poor connection or an open in CKT 1173.
Does a poor connection or an open exist in CKT 1173?
| --
| Go to
Step 6
| Go to
Step 7
|
6
|
- Repair the poor connection or the open in CKT 1173.
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
7
|
- Inspect the warning indicator bulb and the bulb connection.
- If the bulb and the bulb connection are OK, replace the instrument
cluster. Refer to
Instrument Cluster Replacement
.
- Inspect the system.
Is the repair complete?
| --
| System OK
| --
|
