Malfunction A
- CHECK ELECTRIC INTAKE VALVE TIMING CONTROL MOTOR CONTROL CIRCUIT
- Turn ignition switch OFF.
- Disconnect electric intake valve timing control motor harness connector.
- Disconnect electric intake valve timing control module harness connector.
- Check the continuity between the electric intake valve timing control motor harness connector and the electric intake valve timing control module harness connector.
Electric intake valve timing control motor
Electric intake valve timing control module
Continuity
Connector
Terminal
Connector
Terminal
F89
1
F92
46
Existed
2
44
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace error-detected parts.
- CHECK ELECTRIC INTAKE VALVE TIMING CONTROL ACTUATOR BRUSH
- Remove electric intake valve timing control actuator. Refer to Exploded View .
- Check the state of brush for the electric intake valve timing control actuator.
Is the inspection result normal?
YES
GO TO 3.
NO
Replace the electric intake valve timing control actuator. Refer to Exploded View .
- CHECK ELECTRIC INTAKE VALVE TIMING CONTROL ACTUATOR
- Check the continuity between electric intake valve timing control actuator connector terminal and brush as following.
Electric intake valve timing control actuator
Continuity
Terminal
Brush
1
A
Existed
B
Not existed
2
B
Existed
A
Not existed
Is the inspection result normal?
YES
GO TO 4.
NO
Replace the electric intake valve timing control actuator. Refer to Exploded View .
- Check the continuity between electric intake valve timing control actuator connector terminal and brush as following.
- CHECK CENTER TARGET
Check the state of center target
.
Is the inspection result normal?
YES
Replace camshaft sprocket (INT) (Electric intake valve timing motor is built-in). Refer to Exploded View .
NO
Repair or replace the center target. Refer to Exploded View .