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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) 13A-725 STEP 9. Check for harness damage between injector relay Then confirm that the malfunction symptom is eliminated. a. Injector relay connector A-25X (terminal No. 3) and No. 1 cylinder injector connector B-101 (terminal No. 1). b. Injector relay connector A-25X (terminal No. 3) and No. 2 cylinder injector connector B-102 (terminal No. 1). c. Injector relay connector A-25X (terminal No. 3) and No. 3 cylinder injector connector B-103 (terminal No. 1). d. Injector relay connector A-25X (terminal No. 3) and No. 4 cylinder injector connector B-104 (terminal No. 1). Q: Is the harness wire in good condition? YES : Go to Step 10. is eliminated. STEP 10. Check harness connector B-09 at ECM for YES : Go to Step 11. Connector Inspection . Then confirm that the malfunction symptom is eliminated. STEP 11. Check for open circuit and short circuit to ground a. No. 1 cylinder injector connector B-101 (terminal No. 2) and ECM connector B-09 (terminal No. 2). b. No. 2 cylinder injector connector B-102 (terminal No. 2) and ECM connector B-09 (terminal No. 3). c. No. 3 cylinder injector connector B-103 (terminal No. 2) and ECM connector B-09 (terminal No. 18). d. No. 4 cylinder injector connector B-104 (terminal No. 2) and ECM connector B-09 (terminal No. 19). Q: Is the harness wire in good condition? YES : Go to Step 12. is eliminated. |