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TROUBLESHOOTING MULTIPORT FUEL INJECTION (MFI) 13A-231 STEP 6. Check harness between A-20 (terminal NOTE: Before checking harness, check intermediate Check output line for open circuit. Q: Is the check result normal? YES : Replace fan controller. NO : Repair. Inspection Procedure 22: Poor A/C Performance COMMENT ON TROUBLE SYMPTOM Failure is possibly caused by short /overcharged PROBABLE CAUSE Short or overcharged A/C refrigerant Failed A/C compressor relay Failed fan controller Failed A/C-ECU Failed engine-ECU DIAGNOSIS PROCEDURE STEP 1. MUT-II self-diag code Q: Diagnosis code set? YES : Inspection chart for diagnosis code (Refer to ). NO : Go to Step 2 . AK203423 1 2 3 Harness side A-20 (GR) AC Connector: A-20 AK300257 1 14 4 19 5 22 6 17 8 15 9 18 7 20 16 2 13 12 23 24 25 26 21 3 10 11 AB CONNECTOR: C-134 C-134 Harness side connector |