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.

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 "Component Inspection" procedure

IG KEY OFF.

Disconnect ETC connector.

IG KEY ON.

Measure voltage between TPS power circuit of ETC harness connector and chassis ground.

Is voltage within the specification ?

	▶ Go to "Signal Circuit Inspection" procedure.
	▶ Go to next procedure.

IG KEY OFF.

Disconnect PCM and ETC connector.

IG KEY ON.

Measure resistance between TPS power terminal of ETC harness connector and chassis ground.

Is resistance within specification ?

	▶ Go to next procedure.
	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

IG KEY OFF.

Disconnect ETC connector and PCM connector.

Measure resistance between both ends of TPS Power line.

Is resistance within specification ?

	▶ Go to next procedure.
	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

IG KEY OFF.

Disconnect PCM and ETC connector.

Measure resistance between TPS2 signal terminal of ETC harness connector and chassis ground.

Is resistance within specification ?

	▶ Go to next procedure.
	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.

IG KEY OFF.

Disconnect ETC connector and PCM connector.

Measure resistance between both ends of TPS2 signal line.

Is resistance within specifications ?

	▶ Go to next procedure.
	▶ Repair as necessary and go to "Verification of Vehicle Repair" procedure.