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MULTIPORT FUEL INJECTION (MPI) DIAG MULTIPORT FUEL INJECTION (MPI) 13A-544 STEP 1. Using diagnostic tool , read the diagnostic trouble CAUTION To prevent damage to diagnostic tool , always turn the Q: Is DTC set? YES : Refer to Diagnostic Trouble Code Chart. STEP 2. Check the trouble symptoms. • The malfunction indicator lamp (Check Engine Lamp) should illuminate immediately after the ignition switch is (2) Turn the ignition switch to the "LOCK" (OFF) position. Q: Does the malfunction indicator lamp (Check Engine Lamp) illuminate? Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunctions . NO : Replace the combination meter. INSPECTION PROCEDURE 4: The Malfunction Indicator Lamp (Check Engine Lamp) Remains . COMMENT • In cases such as the above, the cause is proba- bly that the ENGINE-ECU is detecting a problem . TROUBLESHOOTING HINTS (The most • Shorted the malfunction indicator lamp (Check Engine Lamp) circuit. • Refer to component locations GROUP- • Refer to configuration diagrams GROUP- • Refer to circuit diagrams GROUP- DIAGNOSIS Required Special Tools: • Diagnostic Tool (MUT-III Sub Assembly) • MB991824: V.C.I. 16DB400A COVER ENGINE CONTROL UNIT AIR CLEANER |