W/Harness Inspection

P0447 Evaporative Emission System-Vent Control Circuit Open

Inspection/Repair - W/Harness Inspection

Power Circuit Inspection

1. Ignition "ON" & Engine "OFF"
2. Measure voltage between power terminal of the CCV harness connector and chassis ground

Specification :Approx. 12 V




3. Is voltage within the specification?






Control Circuit Inspection

1. Measure voltage between control terminal of the CCV harness connector and chassis ground.

Specification :Approx. 4 - 5 V




2. Is voltage within the specification?






Terminal and connection 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?