W/Harness Inspection

Engine Control
P0268 Cylinder 3 Injector Circuit High - Inspection/Repair:_:W/Harness Inspection

Terminal & Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness 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?






LOW SIDE Circuit Inspection

Check Short in control circuit
1. IG KEY "OFF".
2. Disconnect injector connector and ECM connector.
3. Measure the resistance between LOW SIDE terminal of injector harness connector and chassis ground.

Specification :Infinite




4. Is the measured resistance within specification?