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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-649 STEP 12. Check for harness damage between MFI relay YES : Go to Step 13. STEP 13. Check for harness damage between idle air a. Idle air control motor connector A-40 (terminal No. 1) and PCM connector C-89 (terminal No. 14). b. Idle air control motor connector A-40 (terminal No. 3) and PCM connector C-89 (terminal No. 28). c. Idle air control motor connector A-40 (terminal No. 4) and PCM connector C-89 (terminal No. 15). d. Idle air control motor connector A-40 (terminal No. 6) and PCM connector C-89 (terminal No. 29). Q: Is the harness wire in good condition? YES : Replace the PCM. Then go to Step 14. AK200023 2 1 3 4 CONNECTOR: C-59 AB C-59 HARNESS AK200476 1 2 3 4 5 6 AB CONNECTOR: A-40 A-40(B) HARNESS AK200476 1 2 3 4 5 6 AB CONNECTOR: A-40 A-40(B) HARNESS AK103914 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 30 21 22 23 24 25 26 27 28 29 31 32 33 34 35 1 10 AB CONNECTOR: C-89 C-89(GR) HARNESS CONNECTOR: |