Disconnect the VIS 1 and PCM/ECM connectors and inspect for looseness, poor connection, bending, corrosion, contamination, deterioration or damage. Reconnect the connectors.

Connect the GDS and go to “Current Data”.

Monitor VIS 1 values in Current Data, check and wiggle the harness(es), connector(s), and terminal(s).

Any change in the values indicates a poor connection. Was a connector problem found?

	▶ Repair the connector. Go to "Verification of Vehicle Repair" procedure.
	▶ Go to "Power Circuit Inspection" procedure.

IG "OFF".

Disconnect VIS Sol. valve harness connector.

Measure resistance between power terminal of VIS. Sol valve 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 "OFF".

Disconnect VIS Sol. Valve harness connector.

IG "ON".

Measure voltage between power terminal of VIS Sol. Valve harness connector and chassis ground.

Is voltage within specification?

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

IG "OFF".

Disconnect VIS Sol. Valve harness connector.

IG "ON".

Measure voltage between control terminal of VIS Sol. Valve harness connector and chassis ground.

Is voltage within specification?

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