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MANUAL A/C DIAGNOSIS TSB Revision HEATER, AIR CONDITIONING AND VENTILATION 55A-220 STEP 7. Check the wiring harness between power connector C-104 (terminals 1 and 3) and A/C-ECU operate normally. STEP 8. Replace the power transistor. YES : It can be assumed that this malfunction is intermittent. Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunctions . NO : Replace the A/C-ECU. Check that the air conditioning works normally. AC305234 C-104 HARNESS SIDE C-104 HARNESS SIDE C-15 AT CONNECTORS: C-15, C-104 C-15 (B) |