Diagnostic Test
- 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 STEP 3 .
NO
GO TO STEP 2 .
- CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform 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 STEP 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 STEP 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 (MULTI-WAY CONTROL VALVE) .
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Replace multi-way control valve. Refer to REMOVAL AND INSTALLATION .