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AUTO A/C DIAGNOSIS HEATER, AIR CONDITIONING AND VENTILATION 55-132 STEP 5. Check the wiring harness between photo sensor C-04 (terminals 3, 4) and A/C-ECU connector C-15 conditioning works normally. STEP 6. Replace the photo sensor. Q: Does the A/C operate normally? YES : No action is necessary and testing is complete. works normally. STEP 7. Check the refrigerant level. Q: Is the refrigerant level correct? YES : Refer to GROUP 55A, Symptom Chart NO : Correct the refrigerant level. Check that the air conditioning works normally. (Refer to GROUP 55A 25DB070A CONNECTORS: C-15, C-16 C-16 (B) HARNESS SIDE C-16 C-15 C-15 (B) HARNESS SIDE 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 25DB136A CONNECTOR: C-04 HARNESS SIDE |