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 connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

Has a problem been found ?

	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Power Circuit Inspection" procedure.

IG "OFF" and disconnect ETC Motor & TPS connector.

IG "ON".

Measure voltage between TPS power terminal of ETC Motor & TPS harness connector and chassis ground.

Is the measured voltage within specification ?

	▶ Go to "Signal circuit inspection" procedure.
	▶ Repair open or short to ground in power harness, and go to "Verification of Vehicle Repair" procedure.

IG "OFF" and disconnect ETC Motor & TPS connector and ECM connector.

Measure resistance between TPS2 signal terminal of ETC Motor & TPS harness connector and chassis ground.(Measurement "A")

Measure resistance between TPS2 signal and TPS ground terminals of ETC Motor & TPS harness connector.(Measurement "B")

Is the measured resistance within specification ?

	▶ Go to "Check open in harness" as follows.
	▶ Repair short to ground in harness and go to "Verification of Vehicle Repair" procedure.

IG "OFF" and disconnect ETC Motor & TPS connector and ECM connector.

Measure resistance between TPS2 signal terminal of ETC Motor & TPS harness connector and TPS2 signal terminal of ECM harness connector.

Is the measured resistance within specification ?

	▶ Go to "Ground Circuit Inspection" procedure.
	▶ Repair open in harness, and go to "Verification of Vehicle Repair" procedure.