DTC Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect multi-way control valve harness connector and ECM harness connector.
3. Check the continuity between multi-way control valve harness connector and ECM harness connector.

   +		-		Continuity
   Multi-way control valve		ECM
   Connector	Terminal	Connector	Terminal
   F20	1	F92	58	Existed
   	2		57

Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace error-detected parts.

Check the multi-way control valve motor. Refer to Component Inspection .

Is the inspection result normal?

YES

Check intermittent incident. Refer to Inspection .

NO

Replace multi-way control valve. Refer to MULTI-WAY CONTROL VALVE : Removal & Installation .