Test Description
The number below refers to the step number on the diagnostic table.
- 4: Tests for the proper operation of the circuit in the high voltage range.
DTC P0462
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Instrument Cluster Schematics | ||||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | - | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 |
|
0.4 V | Go to Step 3 | Go to Diagnostic Aids |
| 3 | Is DTC P065 current in the PCM? | - | Go to DTC P0651 in Engine Controls - 4.6L | Go to Step 4 |
| 4 |
|
4.9 V | Go to Step 6 | Go to Step 5 |
| 5 | Test the signal circuit of the fuel level sensor for a short to ground. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 8 |
| 6 | Test the signal circuit of the fuel level sensor for a short to ground between C420 and the fuel level sensor. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the fuel level sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | 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
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 11 | Go to Step 10 |
| 9 | Replace the fuel level sensor. Refer to Fuel Level Sensor Replacement
in Engine Controls - 4.6L. Did you complete the replacement? |
- | Go to Step 11 | - |
| 10 | Replace the PCM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
- | Go to Step 11 | - |
| 11 |
|
- | Go to Step 2 | System OK |