Operation CHARM: Car repair manuals for everyone.

W/Harness Inspection





Engine Control

P0075 Intake Valve Control Solenoid Circuit (Bank 1) - W/Harness Inspection

Terminal and 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?






Power Circuit Inspection

Check voltage
1. IG "OFF" & Disconnect OCV connector.
2. IG "ON".
3. Measure voltage between power terminal of OCV harness connector and chassis ground.

Specification : B+




4. Is the measured voltage within specification?






Control Circuit Inspection

Check open in harness
1. IG "OFF" & Disconnect OCV connector.
2. IG "ON".
3. Measure voltage between control terminal of OCV harness connector and chassis ground.

Specification : Approx. 3.2 V




4. Is the measured voltage within specification?