DTC Diagnosis Procedure
- CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect multi-way control valve harness connector.
- Turn ignition switch ON.
- Check the voltage between multi-way control valve harness connector and ground.
+ - Voltage
(Approx.)Multi-way control valve Connector Terminal F20 5 Ground 5 V
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
GO TO 2.
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Refer to Diagnosis Procedure . Is inspection result normal?
YES>>
Perform the trouble diagnosis for power supply circuit. Refer to Diagnosis Procedure .
NO>>
Repair or replace error-detected parts.
- CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- 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 3 F91 43 Existed - Also check harness for short to power.
Is the inspection result normal?
YES>>
GO TO 4.
NO>>
Repair or replace error-detected parts.
- CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT
- 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 4 F92 61 Existed - Also check harness for short to ground and to power.
Is the inspection result normal?
YES>>
GO TO 5.
NO>>
Repair or replace error-detected parts.
- Check the continuity between multi-way control valve harness connector and ECM harness connector.
- CHECK MULTI-WAY CONTROL VALVE POSITION SENSOR
Check the multi-way control valve position sensor. 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 and Installation .