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 "Ground Circuit Inspection" procedure.

Ignition Switch "OFF"

Disconnect battery (-) cable.

Refer to "Shop Manual" and disconnect intake air temperature sensor

Ignition switch "OFF"

Refer to "Shop Manual" and disconnect intake air temperature sensor

Is the measured value within specification?

	▶ Go to "Signal Circuit Inspection" procedure.
	▶ Inspect and repair open or short in circuit, and then go to "Verification of Vehicle Repair" procedure.

Ignition switch "OFF"

Refer to "Shop Manual" and disconnect the intake air temperature sensor

Is the measured value within specification?

	▶ Go to "System Inspection" procedure.
	▶ Inspect and repair open or short in circuit, and then go to "Verification of Vehicle Repair" procedure.