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.

Thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage.

Has a problem been found?

	▶ Repair as necessary and go to "Verification of vehicle Repair" procedure.
	▶ Go to "Control Circuit Inspection" procedure.

IG "OFF" & Disconnect OCV-IN connector.

IG "ON"

Measure voltage between Pin No.1 (control) terminal of OCV-IN harness connector and chassis ground.

IG "OFF" & Disconnect ECM/PCM connector.

Measure resistance between Pin No.2 (power) terminal and Pin No.1 (control) terminal of the OCV-IN.

Is the measured value within specification?

	▶ Go to "Component Inspection" procedure.
	▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedue.