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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-817 STEP 5. Check harness connector C-60 at fuel pump relay YES : Go to Step 6. Connector Inspection . Then confirm that the malfunction symptom is eliminated. STEP 6. Check the fuel pump relay (2) Check for continuity between the fuel pump relay terminal No. 2 and No. 4. • There should be continuity (approximately 70 ohms) (3) Use jumper wires to connect fuel pump relay terminal No. 4 to the positive battery terminal and terminal No. 2 to the (4) Check for continuity between the fuel pump relay terminal No. 1 and No. 3 while connecting and disconnecting the • Should be less than 2 ohms. (Negative battery terminal connected) • Should be open loop. (Negative battery terminal discon- nected) (5) Install the fuel pump relay. YES : Go to Step 7. malfunction symptom is eliminated AK200046 2 1 3 4 CONNECTOR: C-60 AB HARNESS C-60 AK200046 2 1 3 4 CONNECTOR: C-60 AB HARNESS C-60 AK200198 1 2 3 4 AC FUEL PUMP RELAY AK200199 1 2 3 4 FUEL PUMP RELAY AC |