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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-73 STEP 8. Check for harness damage between exhaust YES : Go to Step 9. STEP 9. Check the trouble symptoms. Diagnostic Function − OBD-II Drive Cycle − Pattern 20 (2) Check the diagnostic trouble code (DTC). YES : Replace the ECM. When the ECM is replaced, register the ID code. Refer to GROUP 42B, ID Code or GROUP 42C, ID Codes Registration Judgment Table <Vehicles with WCM> NO : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use Cope with Intermittent Malfunctions . STEP 10. Test the OBD-II drive cycle. Diagnostic Function − OBD-II Drive Cycle − Pattern 20 (2) Check the diagnostic trouble code (DTC). YES : Retry the troubleshooting. DTC P0014: Exhaust Variable Valve Timing System Target Error . TECHNICAL DESCRIPTION • The ECM checks the variable valve timing sys- tem for malfunction. . DESCRIPTIONS OF MONITOR METHODS The phase angle of the exhaust camshaft is higher than the specified value. . MONITOR EXECUTION Continuous . MONITOR EXECUTION CONDITIONS Other Monitor (There is no temporary DTC stored in memory for the item monitored below) • Not applicable Sensor (The sensor below is determined to be normal) • Camshaft position sensor . |