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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-815 . CIRCUIT OPERATION • Battery voltage is applied to the oil pressure switch (terminal No. 1) from the engine-ECU (ter- . COMMENT • Detect the engine oil pressure conditions and enter the result into the ECM. After starting the . TROUBLESHOOTING HINTS (The most • Engine oil pressure switch failed. • Open or shorted engine oil pressure switch cir- cuit, harness damage, or connector damage. • ECM failed. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: V.C.I. • MB991827: USB Cable • MB991910: Main Harness A STEP 1. Check harness connector B-16 at engine oil YES : Go to Step 2. Connector Inspection P.00E-2 . Then go to Step 5 . AK704328 AB Connector: B-16, B-24 B-24 (B) B-16 AK704090AB Connector: B-10 B-10 (GR) |