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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MPI) <4G1> 13B-305 STEP 3. Connector check: A-20 cooling fan Q: Is the check result normal? YES : Go to Step 4 . NO : Repair or replace. STEP 4. Check cooling fan motor itself. • Check cooling fan motor (Refer to GROUP 14 − On-vehicle Service − Cooling Fan Motor Inspec- ). Q: Is the check result normal? YES : Go to Step 5 . NO : Replace fan motor. STEP 5. Perform voltage measurement at B-114 • Disconnect connector and measure at harness side. • Voltage between terminal No. 3 and earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 6 . NO : Check intermediate connector B-108, and repair if necessary. If intermediate • Check power supply line for open/short circuit. AK402108 2 1 4 3 AC Connector: A-20 Harness side connector A-20 AK402106 3 2 1 4 AC Connector: B-114 J/B side B-114 Main Index Group TOC |