W/Harness Inspection
Engine Control
P0462 Fuel Level Sensor - Inspection/Repair:_:W/Harness Inspection
Terminal and Connector inspection
1. Many malfunctions in the electrical system are caused by poor harness(es) and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.
3. Has a problem been found?
Signal Circuit Inspection
Check for Short to Ground in Signal Circuit
1. IG key 'OFF'.
2. Disconnect ECM and sub fuel level sender connector.
3. IG key "ON"
4. Measure the resistance between the signal terminal of sub fuel level sender harness connector and chassis ground.
Specification :about 11 - 12V
5. Is resistance within specification?