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MODEL SELECTION INDEX
WH STATESMAN AND CAPRICE SERVICE SUPPLEMENT
SECTION 2A - ELECTRONIC CLIMATE CONTROL (ECC) - PRINCIPLES AND OPERATION
1. GENERAL INFORMATION
1.1 REFRIGERANT CIRCUIT
1. 2 PRINCIPLES OF AIR CONDITIONING (TXV SYSTEM)
HIGH PRESSURE SIDE
LOW PRESSURE SIDE
HEAT TRANSFER
1.3 HEATING, VENTILATION AND AIR CONDITIONING (HVAC) UNIT AIR FLOW MODES
FACE MODE
BI-LEVEL MODE
FLOOR MODE
BLEND MODE
DEMIST MODE
1.4 A/C SYSTEM COMPONENTS
VACUUM TANK
VACUUM SWITCH
VACUUM SOLENOID PACK
TWO STAGE VACUUM ACTUATOR
VACUUM CIRCUIT
AIR MIX DOOR MOTORS
AMBIENT TEMPERATURE SENSOR
EVAPORATOR AIR TEMPERATURE SENSOR
IN-CAR TEMPERATURE SENSOR
ASPIRATOR TUBE
SOLAR SENSOR
ENGINE BAY COMPONENTS V6
ENGINE BAY COMPONENTS GEN III V8
V6 ENGINE - LOW SPEED COOLING FAN ACTIVATION
FILTER DRIER RECEIVER
THERMAL EXPANSION VALVE (BLOCK VALVE)
PRESSURE TRANSDUCER
EVAPORATOR
CONDENSER
HARRISON V5 AND DELPHI V7 COMPRESSOR
ENGINE COOLING FAN APPLICATION
V6 ENGINE - LOW SPEED COOLING FAN ACTIVATION
V6 ENGINE - HIGH SPEED COOLING FAN ACTIVATION
V6 SUPERCHARGED AND GEN III V8 ENGINE - LOW SPEED COOLING FAN ACTIVATION
V6 SUPERCHARGED AND GEN III V8 ENGINE - HIGH SPEED COOLING FAN ACTIVATION
HVAC SYSTEM COMPONENTS
2. GENERAL DESCRIPTION - ECC
2.1 DESCRIPTION AND OPERATION
RECOMMENDED SETTINGS
EVAPORATOR TEMPERATURE CONTROL
BLOWER FAN CONTROL
AIR DISTRIBUTION CONTROL
AIR INLET CONTROL
VENT AIR TEMPERATURE CONTROL
ECC COLD START-UP ROUTINES
SENSOR MALFUNCTION INDICATOR
DEFAULT MODE: VACUUM
AUTOMATIC OPERATION
ECC ACTIVATION
ECC CONTROLS
ECC DUAL ZONE CONTROLS
ECC REAR REMOTE CONTROL