- Start the engine and warm it up until the engine coolant temperature reaches 75锟斤拷C (167锟斤拷F) or more [B].
- Drive the vehicle for 5 minutes or more [C].
- Idle the engine for 30 seconds or more [D].
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P0011, P0012, P0021 or P0022.
- Check the DTC judgment result [E].
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE or UNKNOWN, perform steps [F] through [H].
- Drive the vehicle for 5 minutes or more [F].
- Idle the engine for 30 seconds or more [G].
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P0011, P0012, P0021 or P0022.
- Check the DTC judgment result again [H].
- If the test result is UNKNOWN, enter the following menus: Powertrain / Engine / Trouble Code / Pending.
- Read Pending DTCs [H].
HINT
If a pending DTC is output, the system is malfunctioning.
- If the test result is INCOMPLETE or UNKNOWN and no pending DTC is output, perform a universal trip and check for permanent DTCs
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes/DTC
Check / Clear.
HINT
- If a permanent DTC is output, the system is malfunctioning.
- If no permanent DTC is output, the system is normal.
- If the difference between the target and actual camshaft timings is greater than the specified value, the ECM operates the VVT actuator.
- Then, the ECM monitors the camshaft timing change for 5 seconds.
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