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MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS TSB Revision MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE> 13A-579 STEP 3. Measure the power supply voltage at throttle harness side. (2) Measure the voltage between terminal No. 4 and ground. • Voltage should be battery positive voltage. Q: Is battery positive voltage (approximately 12 volts) present? actuator control motor relay connector A-21X STEP 4. Measure the power supply voltage at throttle harness side. (2) Turn the ignition switch to the "ON" position. • Voltage should be battery positive voltage. (4) Turn the ignition switch to the "LOCK" (OFF) position. present? STEP 5. Check harness connector A-33X at MFI relay for YES : Repair harness wire between MFI relay connector A-33X (terminal No. 2) and throttle actuator control NO : Repair or replace it. Refer to GROUP 00E, Harness Connector Inspection . Then go to Step 14. 2 1 3 AK604215 AC A-21X harness AK604216 2 1 3 AC A-21X harness |