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SPECIAL TOOLS TSB Revision HEATER, AIR CONDITIONING AND VENTILATION 55A-111 SPECIAL TOOLS M1552000600141 6 Air mixing damper control motor When the damper is moving toward 10 V When the damper is moving toward 0 V 7 Air mixing damper control motor Air mix damper: MAX HOT position 1 V Air mix damper: MAX COOL position 4 V 8 Sensor and potentiometer ground At all times 0 V 9 Air outlet changeover damper motor Ignition switch: ON 0 − 12 V 10 Air outlet changeover damper motor Ignition switch: ON 0 − 12 V 11 Air outlet changeover damper motor Ignition switch: ON 0 − 12 V 12 Air thermo sensor input signal Sensing part temperature: 25 °C (77 °F) (1.5 kΩ) 2.2 V 13 Rear fan switch or front rear fan Rear fan switch or front rear fan 0 V 14 Air mixing damper control motor When the damper is moving toward 0.5 V When the damper is moving toward Battery positive TERMINAL INSPECTION ITEM INSPECTION CONDITION NORMAL TOOL TOOL NUMBER AND SUPERSESSION APPLICATION MB991367 MB991367-01 Armature mounting nut of MB991386 MIT217213l MB990784 General service tool Center panel removal B991367 MB990784 |