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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55A-85 9 A/C control panel (Signal) − − 10 − 12 − − − 13 Battery power supply Always System voltage 14 Earth Always 1 V or less 15 IG power supply Ignition switch: ON System voltage 16 A/C pressure sensor input Refer to . Refer to . 17 Interior temperature sensor Sensor probe temperature: 25 °C (4.0 k Ω) 2.1 to 2.7 V 18 − − − 19 Sensor earth Always 1 V or less 20 A/C pressure sensor power Ignition switch: IG2 5 V 21 Air thermo sensor earth Always 1 V or less 22 Air thermo sensor Sensor probe temperature: 25 °C (4.0 k Ω) 2.1 to 2.7 V 23 − − − 24 Motor for air outside/inside − − 25 Motor for air outside/inside − − 26 Motor for air outside/inside − − 27 Motor for air outside/inside − − 28 Air mix damper motor − − 29 Motor power supply − − 30 Air outlet changeover − − 31 Air outlet changeover − − 32 Air outlet changeover − − 33 Air outlet changeover − − 34 Air mix damper motor − − 35 Air mix damper motor − − 36 Air mix damper motor − − Terminal Check item Check condition Normal condition |