[Previous][Next]
DTC Diagnosis Procedure
 
 
MALFUNCTION A
cautionNever reuse O-ring of electric intake valve timing control actuator. When replacing the electric intake valve timing control actuator, replace the O-ring.
1.CHECK ELECTRIC INTAKE VALVE TIMING CONTROL MOTOR CONTROL CIRCUIT
  1. Turn ignition switch OFF.
  2. Disconnect electric intake valve timing control motor harness connector.
  3. Disconnect electric intake valve timing control module harness connector.
  4. 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 motorElectric intake valve timing control moduleContinuity
    ConnectorTerminalConnectorTerminal
    F911F9046Existed
    244
  5. Also check harness for short to ground and short to power.
Is the inspection result normal?
.
Repair or replace error-detected parts.
 
2.CHECK ELECTRIC INTAKE VALVE TIMING CONTROL ACTUATOR BRUSH
  1. Remove electric intake valve timing control actuator. Refer to Exploded View.
  2. Check the state of brush for the electric intake valve timing control actuator.
Is the inspection result normal?
.
Remove electric intake valve timing control actuator. Refer to Exploded View.
 
3.CHECK ELECTRIC INTAKE VALVE TIMING CONTROL ACTUATOR
  1. Check the continuity between electric intake valve timing control actuator connector terminal and brush as following.
    Electric intake valve timing control actuatorContinuity
    TerminalBrush
    1AExisted
    BNot existed
    2BExisted
    ANot existed
Is the inspection result normal?
.
Remove electric intake valve timing control actuator. Refer to Exploded View.
 
4.CHECK CENTER TARGET
Check the state of center target.
Is the inspection result normal?
Replace camshaft sprocket (INT) (Electric intake valve timing motor is built-in). Refer to Exploded View.
Repair or replace the center target. Refer to Exploded View.
 
 
 
MALFUNCTION B
1.CHECK TIMING CHAIN INSTALLATION
Check service records for any recent repairs that may cause timing chain misalignment.
Are there any service records that may cause timing chain misalignment?
Check timing chain installation. Refer to Removal and Installation.
.
 
2.CHECK CAMSHAFT SPROCKET AND TIMING CHAIN
Check the following.
  • Visually check for chipping camshaft sprocket gear tooth.
  • Timing chain tension and elongation.
Is the inspection result normal?
INSPECTION END
Repair or replace error-detected parts.