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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-91 STEP 6. Measure the power supply voltage at ECM ECU check harness special tool MB992110 between the (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal No. 34 and ground. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? connector for damage, and repair or replace as P.00E-2 . If intermediate connector is in good condition, repair harness wire between linear STEP 7. Check harness connector A-33X at MFI relay for YES : Go to Step 8. Connector Inspection P.00E-2 . Then go to Step 11. STEP 8. Check for harness damage between MFI relay YES : Go to Step 9. AK604040 ECM AB Body side harness MB992110 AK604173 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 AB Power plant ECU |