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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-775 STEP 1. Measure the voltage at ECM connector B-10 by ECU check harness special tool MB992110 between the (2) Start the engine and run at idle. (3) Measure the voltage between terminal No. 60 and ground. NOTE: Vehicle for Canada, the headlight, taillight, etc. a. Engine: warming up, idling c. Headlight: OFF to ON d. Stop light: OFF to ON • Voltage increases (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 2. malfunction symptom is eliminated. STEP 2. Check harness connector B-10 at ECM connector YES : Go to Step 3. Connector Inspection P.00E-2 . Then confirm that the malfunction symptom is eliminated. AK604040 ECM AB Body side harness MB992110 AK604041 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 AC Power plant ECU |