Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC P2014, P2016, P2017 or P2018 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected?
YES
Perform diagnosis of applicable. Refer to DTC Description .
NO
GO TO 2.
- CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR POWER SUPPLY-1
- Turn ignition switch OFF.
- Disconnect intake valve manifold runner control valve position sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between intake valve manifold runner control valve position sensor harness connector.
Intake manifold runner control valve position sensor
Voltage
(Approx.)
Connector
+
-
Terminal
F20
1
3
5 V
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 3.
- CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR POWER SUPPLY-2
Check the voltage between intake valve manifold runner control valve position sensor harness connector and ground.
+
-
Voltage
(Approx.)
Intake manifold runner control valve position sensor
Connector
Terminal
F20
1
Ground
5 V
Is the inspection result normal?
YES
GO TO 4.
NO
Perform the trouble diagnosis for power supply circuit.
- CHECK ECM GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between ECM harness connector and ground.
ECM
--
Continuity
Connector
Terminal
F51
5
Ground
Existed
65
F52
69
70
E16
157
159
162
- Also check harness for short to power.
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace error-detected parts.
- CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between intake valve manifold runner control valve position sensor harness connector and ECM harness connector.
Intake manifold runner control valve position sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F20
3
F52
79
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 6.
NO
Repair or replace malfunctioning part.
- CHECK INTAKE MANIFOLD RUNNER CONTROL VALVE POSITION SENSOR INPUT SIGNAL CIRCUIT
- Check the continuity between intake manifold runner control valve position sensor harness connector and ECM harness connector.
Intake manifold runner control valve position sensor
ECM
Continuity
Connector
Terminal
Connector
Terminal
F20
2
F52
82
Existed
- Also check harness for short to ground and to power.
Is the inspection result normal?
YES
Replace intake manifold assembly. Refer to Removal and Installation .
NO
Repair or replace error-detected parts.
- Check the continuity between intake manifold runner control valve position sensor harness connector and ECM harness connector.