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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <3.0L> 13B-651 STEP 4. Check the power supply voltage at evaporative side. (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal No.2 and ground. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? STEP 5. Check connector A-18X at MFI relay for damage. YES : Repair harness wire between MFI relay connector A-18X (terminal No. 4) and evaporative emission NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 12. AK300427 1 2 AB CONNECTOR: B-33 <WITHOUT INTAKE B-33 (B) HARNESS CONNECTOR: AK300431 1 2 CONNECTOR: B-33 <WITH INTAKE AB B-33 (B) HARNESS CONNECTOR: AKX01502 AX B-33 HARNESS 2 1 AK300454 2 1 3 4 CONNECTOR: A-18X AB A-18X HARNESS CONNECTOR: |