Step
| Action
| Value(s)
| Yes
| No
|
1
| Was the IPC Diagnostic System Check performed?
| --
| Go to
Step 2
| Go to
Diagnostic System Check - Instrument Cluster
|
2
|
- Ensure that the engine oil level is correct.
- Ensure that the engine develops adequate oil pressure. Refer to Oil Pressure Diagnosis and Testing
in Engine Mechanical - 2.2L or Oil Pressure Diagnosis and Testing
in Engine Mechanical
- 4.3L.
- Remove the connector from the fuel pump oil pressure switch.
- Connect a variable 100 ohms resistor between the fuel
pump oil pressure switch connector terminal A and the ground.
- Turn the ignition switch to the RUN position.
- Turn the variable resistance (potentiometer) back and forth for
maximum to minimum resistance.
Does the oil pressure gauge operate normally?
| 0 ohms (no oil pressure)
88 ohms (maximum oil pressure)
| Go to
Step 3
| Go to
Step 4
|
3
|
- Replace the fuel pump oil pressure switch.
- Reconnect the fuel pump oil pressure switch connector.
Is the repair complete?
| --
| Go to
Diagnostic System Check - Instrument Cluster
| --
|
4
| Test the continuity on CKT 331 (TAN/WHT) between the IPC connector
cavity A2 and the fuel pump oil pressure switch connector cavity A.
Is the connection OK?
| --
| Go to
Step 6
| Go to
Step 5
|
5
| Repair the wire.
Is the repair complete?
| --
| Go to
Diagnostic System Check - Instrument Cluster
| --
|
6
| Replace the IPC.
Is the repair complete?
| --
| Go to
Diagnostic System Check - Instrument Cluster
| --
|
