DTC Diagnosis Procedure

If DTC P26A3 is displayed with DTC P26A5, P26A6 and/or P26A7, first perform the confirmation procedure (trouble diagnosis) for DTC P26A5, P26A6 and/or P26A7.

Is DTC P26A5, P26A6 or P26A7 detected?

YES

Perform diagnosis of applicable.

• DTC P26A5: Refer to DTC Description .
• DTC P26A6: Refer to DTC Description .
• DTC P26A7: Refer to DTC Description .

NO

GO TO 2.

Refer to Diagnosis Procedure .

Is the inspection result normal?

YES

GO TO 3.

NO

Repair or replace error-detected parts.

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.

   Multi-way control valve		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F117	1	F142	145	Existed
   	2		146

Is the inspection result normal?

YES

GO TO 4.

NO

Repair or replace error-detected parts.

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

Is the inspection result normal?

YES

INSPECTION END

NO

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