STEP 1. Using scan tool (M.U.T.-IIISE), check data list item 39: Exhaust MIVEC phase angle.
caution | To prevent damage to scan tool (M.U.T.-IIISE), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-IIISE). |
(1) Connect scan tool (M.U.T.-IIISE) to the data link connector.
(2) Start the engine.
(3) Set scan tool (M.U.T.-IIISE) to the data reading mode for item 39, Exhaust MIVEC phase angle.- When the idle operation with no load, -2.5 to 6.5 °CA (ATDC).
- When the high load operation, Increases (retards).
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Are they operating properly?
It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions . Go to Step 2.
STEP 2. Check the exhaust engine oil control valve.
STEP 3. Check of harness damage in OCVE line between exhaust engine oil control valve connector and ECM connector.
STEP 4. Check of harness damage in power supply line between MFI relay connector and exhaust engine oil control valve connector.
STEP 5. Check exhaust camshaft sensing ring.
STEP 6. Check exhaust variable valve timing sprocket operation mechanism for being stuck.
STEP 7. Check oil passage of exhaust variable valve timing control system for being clogged.
STEP 8. Check the trouble symptoms.
STEP 9. Test the OBD-II drive cycle.
(1) Carry out a test drive with the drive cycle pattern. Refer to Diagnostic Function - OBD-II Drive Cycle - Pattern 8 . (2) Check the diagnostic trouble code (DTC).
Is DTC P0014 set?
Retry the troubleshooting. The inspection is complete.