29 AUTOMATIC AIR CONDITIONER A CONDENSER FAN RELAY CLOSED WITH IGNITION S/W,HEATER RELAY,A/C S/W AND PRESSURE S/W ON C PRESSURE S/W OPEN WITH PRESSURE LESS THAN 2.1KG/CM² (30PSI,206KPA) D RECIRC MODE S/W CLOSED WITH AIR INTAKE CONTROL LEVER AT RECIRC POSITION K SUB DAMPER RELAY NO.1 BLOWER S/W AT H OR A POSITION CLOSED WITH IGNITION S/W AND VENT MODE S/W ON BLOWER S/W AT AUTO POSITION CLOSED WITH IGNITION S/W AND VENT MODE S/W ON AND POWER SERVO SHAFT AT COOL SIDE (SUB DAMPER RELAY NO.2 ON) L SUB DAMPER RELAY NO.2 CLOSED WITH IGNITION S/W ON AND BLOWER S/W AT AUTO POSITION M HEAT,VENT MODE S/W 2-1: 0.4KΩ AT MAX. HOT POSITION 1.5KΩ AT 25°C (77°F) POSITION 2.6KΩ AT MAX. COLD POSITION 3-7: CLOSED WITH AIR FLOW CONTROL LEVER AT VENT POSITION 4-5: CLOSED WITH AIR FLOW CONTROL LEVER AT HEAT POSITION POWER SERVO F 3,2,7- G 2: EACH CLOSED WITH SERVO SHAFT MOVEMENT G 2-GROUND: CONTINUITY WITH 50°C (122°F) WARM-UP RELAY ON AND BLOWER S/W AT AUTO POSITION H 1- O 3: CLOSED WITH SERVO SHAFT AT MAX. COOL POSITION I 3-GROUND: CONTINUITY WITH BLOWER S/W AT AUTO POSITION J 5- P 6(GROUND): CLOSED UNLESS SERVO SHAFT AT MAX. COOL POSITION K 4- P 6(GROUND): CLOSED WITH SERVO SHAFT AT COOL SIDE L 1- P 8 : RESISTANCE CHANGES RESPECTIVELY WITH SERVO SHAFT MOVEMENT 1.6KΩ AT MAX. COOL POSITION 350~450Ω AT MAX. HOT POSITION N HIGH SPEED RELAY CLOSED WITH IGNITION S/W ON,BLOWER S/W AT AUTO POSITION AND POWER SERVO SHAFT AT MAX. COOL POSITION O WARM-UP RELAY 4-3: OPEN WITH IGNITION S/W,BELOW 50°C (122°F) WATER TEMP. S/W AND HEAT MODE S/W ON 6-7: OPEN WITH IGNITION S/W,30°C (86°F) WATER TEMP. S/W AND HEAT MODE S/W ON Q 50°C (122°F) WATER TEMP. S/W OPEN WITH ABOVE 50°C (122°F) WATER TEMP. R 30°C (86°F) WATER TEMP. S/W OPEN WITH ABOVE 30°C (86°F) WATER TEMP. S BLOWER RESISTOR 1-4: 0.27Ω 4-5: 0.43Ω 5-6: 0.8Ω 6-3: 1.1Ω T A/C CUT RELAY OPEN WITH IGNITION S/W AT ST POSITION U AMBIENT SENSOR 0.4KΩ AT 0°C (32°F) 0.6KΩ AT 25°C (77°F) V IN-CAR SENSOR 1-2: 1.7KΩ AT 0°C (32°F) 5.6KΩ AT 25°C (77°F) - 78 -