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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L> 13A-645 STEP 5. Measure the power supply voltage at idle air side. (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal No. 2, No. 5 and ground. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? STEP 6. Check connector A-18X at MFI relay for damage. YES : Repair harness wire between MFI relay connector A-18X (terminal No. 4) and idle air control motor NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 14. AK300408 1 2 3 4 5 6 CONNECTOR: B-34 AB B-34 (B) HARNESS CONNECTOR: AKX01428 3 2 1 A-34 HARNESS AS 6 5 4 AK300454 2 1 3 4 CONNECTOR: A-18X AB A-18X HARNESS CONNECTOR: |