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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-299 STEP 10. Measure the power supply voltage at injector harness side. (2) Turn the ignition switch to the "ON" position. • Voltage should be battery positive voltage. Q: Is battery positive voltage (approximately 12 volts) present? STEP 11. Check harness connector A-33X at MFI relay for YES : Repair harness wire between MFI relay connector A-33X (terminal No. 2) and injector relay NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 20. STEP 12. Check for open circuit and short circuit to . Then go to Step 20 . Q: Is the harness wire in good condition? YES : Go to Step 13. STEP 13. Check harness connector C-304 at ETACS-ECU YES : Repair harness wire between injector relay connector A-24X (terminal No. 1) and ETACS-ECU connector NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 20. 2 1 3 AK604035 AC A-24X harness |