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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-242 STEP 3. Measure the power supply voltage at cylinder 1, 4 side. (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal No. 1 and ground. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? STEP 4. Check harness connector B-17 at the MFI relay for YES : Repair harness wire between MFI relay connector B-17X (terminal No. 4) and cylinder 1, 4 heated NO : Repair or replace it. Refer to GROUP 00E, Harness . Then go to Step 12. AK303821 1 2 3 4 AB CONNECTOR: B-37 CYLINDER 1, 4 B-37 (GR) HARNESS AKX01496 B-37 HARNESS 1 2 3 4 AX AK303806 2 1 3 4 AB CONNECTOR: B-17X B-17X RELAY BOX HARNESS CONNECTOR: |