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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55A-47 INSPECTION PROCEDURE 9: Malfunction of the A/C-ECU Power Supply System. COMMENTS ON TROUBLE SYMPTOM TROUBLESHOOTING HINTS • Damaged the wiring harness or connectors • Malfunction of the manual air conditioner control DIAGNOSIS STEP 1. Measure the voltage at A/C-ECU (1) Disconnect the connector, and measure at the wiring harness side. (2) Turn the ignition switch to the "ON" position. (3) Measure the voltage between terminal 10 and body earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 4. NO : Go to Step 2. IGNITION A/C-ECU Wire colour code A/C-ECU Power Supply Circuit AC301397 Connector: C-06 AN 9 1 15 7 4 12 1110 2 3 13 5 14 6 16 8 C-06(B) Harness side AC301541CH Connector C-06 9 1 15 7 4 121110 2 3 13 5 14 6 16 8 |