DTC Diagnosis Procedure

• If DTC P26A5 is displayed with DTC P0117 or P0118 first perform the trouble diagnosis for DTC P0117 or P0118.
• If DTC P26A5 is displayed with DTC P26A3 first perform the trouble diagnosis for DTC P26A3.
• If DTC P26A5 is displayed with DTC P26A6, or P26A7 first perform the trouble diagnosis for DTC P26A6, or P26A7.

Is applicable DTC detected?

YES

Perform diagnosis of applicable. Refer to DTC Index .

NO

GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect multi-way control valve harness connector.
3. Turn ignition switch ON.
4. Check the voltage between multi-way control valve harness connector and ground.

   +		-	Voltage (Approx.)
   Multi-way control valve
   Connector	Terminal
   F92	5	Ground	5 V

Is the inspection result normal?

YES

GO TO 4.

NO

GO TO 3.

Perform Diagnosis Procedure .

Is inspection result normal?

YES

Perform the trouble diagnosis for power supply circuit. Refer to DTC Diagnosis Procedure .

NO

Repair or replace error-detected parts.

1. Turn ignition switch OFF.
2. Disconnect 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
   F92	3	F78	43	Existed

4. Also check harness for short to power.

Is the inspection result normal?

YES

GO TO 5.

NO

Repair or replace error-detected parts.

1. Check the continuity between multi-way control valve harness connector and ECM harness connector.

   +		-		Continuity
   Multi-way control valve		ECM
   Connector	Terminal	Connector	Terminal
   F92	4	F79	61	Existed

2. Also check harness for short to ground and to power.

Is the inspection result normal?

YES

GO TO 6.

NO

Repair or replace error-detected parts.

Check the multi-way control valve position sensor. Refer to Component Inspection (Multi-way Control Valve) .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace multi-way control valve. Refer to Removal and Installation .