TSRM/MK3 Supra/Wiring Diagrams
Repair ManualWiring Diagrams
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S33/Automatic Air Conditioner5 / 8
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AUTOMATIC AIR CONDITIONER — MK3 Supra Automatic Air Conditioner wiring diagram, page 5
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33 AUTOMATIC AIR CONDITIONER 4 6 8 20A FL. C05 FAN 6 L-H 2 1 0 L C CONDENSER FAN RELAY 4 3 L-B G A/C Hi PRESSURE S/W 1 0 2 L-H 2 1 E M CONDENSER FAN MOTOR 2 L-H L-H RIGHT FENDER LEFT FENDER 8 HEATER RELAY 4-5: CLOSED WITH IGNITION S/W ON AND BLOWER S/W ON 9 BLOWER RESISTOR 6-3: APPROX.0.22Ω 3-2: APPROX.0.55Ω 2-1: APPROX.0.80Ω 1-4: APPROX.1.23Ω C HEATER CONTROL ASSEMBLY 1-10: ALWAYS 12VOLTS 2-10: 12VOLTS WITH IGNITION S/W ON 3-10: CONTINUITY WITH BLOWER S/W AT AUTO POSITION 12-10: CONTINUITY WITH BLOWER S/W AT LO,MED,HI POSITION 13-10: CONTINUITY WITH BLOWER S/W AT MED POSITION 4-10: CONTINUITY WITH BLOWER S/W AT HI POSITION D BLOWER SPEED CONTROL S/W 5,4,3,6-8: EACH CLOSED WITH SERVO SHAFT MOVEMENT E AIR VENT MODE CONTROL SERVO MOTOR 3-13(8-12): CLOSED UNLESS HEATER CONTROL S/W A/T FOOT POSITION F WATER TEMP.S/W 20 °C(68 °F),40 °C(104 °F) 1-3: CLOSED WITH COOLANT TEMP.ABOVE 40°C(104°F) 2-4: CLOSED WITH COOLANT TEMP.ABOVE 60°C(140°F) G AIR MIX CONTROL SERVO MOTOR 5-6: RESISTANCE CHANGES RESPECTIVELY WITH SERVO SHAFT MOVEMENT APPROX.1.9KΩ AT MAX.COOL POSITION APPROX.200Ω AT MAX.HOT POSITION H DUAL PRESSURE S/W 1-2: OPEN WITH PRESSURE LESS THAN 2.1KG/CM²(30PSI,206KPA) OR ABOVE 27KG/CM²(384PSI,2848KPA) J HI PRESSURE S/W (CONDENSER FAN) 1-2: CLOSED ABOVE 18KG/CM²(256PSI,1765KPA) OPEN BELOW 14KG/CM²(199PSI,1373KPA) K MAGNET CLUTCH 1-GROUND: APPROX.3.7Ω