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 Cruise switch connector.

IG "ON"

Measure the voltage between power supply terminals of main relay harness connector and chassis ground. .

Is the measured voltage within specification ?

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

IG "ON"

Measure the voltage between main relay 'ON' power terminals of ECM harness terminal and chassis ground.

Is the measured voltage within specification ?

	▶ Go to "System Inspection" procedure.
	▶ Repair short in power harness and go to "Verification of Vehicle Repair" procedure.