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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-1046 STEP 2. Check the MFI relay. CAUTION Because it is not possible to distinguish the top and the (2) Check for continuity between the MFI relay terminals No. 2 and No. 3. • There should be continuity. (approximately 70 ohms) (3) Use jumper wires to connect MFI relay terminal No. 2 to the positive battery terminal and terminal No. 3 to the negative (4) Check for continuity between the MFI relay terminals No. 1 and No. 4 while connecting and disconnecting the jumper • Should be less than 2 ohms. (Negative battery terminal connected) • Should be open loop. (Negative battery terminal discon- nected) (5) Install the MFI relay. YES : Go to Step 3. malfunction symptom is eliminated. AK303806 2 1 3 4 AB CONNECTOR: B-17X B-17X RELAY BOX HARNESS CONNECTOR: AK204164 1 2 3 4 MFI RERAY AB 1 2 3 4 AK203257 MFI RELAY SIDE AB |