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 then go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Power Circuit Inspection" procedure.

Ignition switch "OFF"

Refer to "Shop Manual" and disconnect injector

Is measured value within specification?

	▶ Go to "Control Circuit Inspection" procedure.
	▶ Repair open or short circuit and then go to "Verification of Vehicle Repair" procedure.

Ignition switch "OFF"

Refer to "Shop Manual" and disconnect injector

Is the measured value within specification?

	▶ Go to "Component Inspection" procedure.
	▶ Repair open or short circuit and then go to "Verification of Vehicle Repair" procedure.