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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-645 STEP 5. Measure the power supply voltage at idle air side. (2) Turn the ignition switch to the "ON" position. ground. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? STEP 6. Check connector C-59 at MFI relay for damage. YES : Check connector C-14 at intermediate connector for damage, and repair or replace as required. Refer to . If intermediate connectors is in good condition, repair harness wire between MFI relay NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 14. AK200476 1 2 3 4 5 6 AB CONNECTOR: A-40 A-40(B) HARNESS AKX01428 3 2 1 A-40 HARNESS AN 6 5 4 AK200023 2 1 3 4 CONNECTOR: C-59 AB C-59 HARNESS |