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AUTO A/C DIAGNOSIS TSB Revision AUTOMATIC AIR CONDITIONING 55B-137 26 A/C-ECU power supply (IG2) Ignition switch: ON System voltage 27 A/C-ECU power supply (ACC) Ignition switch: ACC System voltage 28 A/C-ECU power supply At all times System voltage 29 Sensors and potentiometers At all times 0 V 30 Air thermo sensor input When sensor section temperature is °C (77°F) [1.5 kΩ] 2.2 V 31 Photo sensor (+) At luminous intensity of 100,000 lux or 1 V 32 Mode selection damper control When the damper has moved to the DEF 0.7 − 1.3 V 33 DTC input Ignition switch: ON 0 V 34 A/C compressor lock signal Engine speed: 3,000 r/min 0.3 − 3.0 V 35 Illumination ground At all times 0 V 36 Ground At all times 0 V TERMINAL INSPECTION ITEM INSPECTION CONDITION NORMAL |