Table of Contents
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7-ii Table of Contents
Recommended Service Material ....................... 7B-33
Special Tool ......................................................7B-33
Automatic Type .....................................................7B-34
Precautions.........................................................7B-34
A/C System Caution.......................................... 7B-34
Precautions in Diagnosing Trouble ...................7B-34
Precautions on Servicing A/C System .............. 7B-34
General Description ...........................................7B-34
Auto A/C System Description............................7B-34
Refrigerant Type Identification .......................... 7B-36
Sub-Cool A/C System Description .................... 7B-36
A/C Operation Description ................................ 7B-36
On-Board Diagnostic System Description.........7B-37
Schematic and Routing Diagram......................7B-37
Major Components of A/C System.................... 7B-37
A/C System Wiring Diagram ............................. 7B-38
Diagnostic Information and Procedures..........7B-39
A/C System Symptom Diagnosis ......................7B-39
DTC Check........................................................ 7B-42
DTC Clearance ................................................. 7B-43
DTC Table.........................................................7B-44
Fail-Safe Table..................................................7B-45
Scan Tool Data ................................................. 7B-46
Air Conditioning System Check.........................7B-47
Visual Inspection ...............................................7B-49
(Position Sensor) and/or Its Circuit
Malfunction......................................................7B-53
(Position Sensor) and/or Its Circuit
Malfunction......................................................7B-55
A/C System Performance Inspection ................7B-70
A/C System Inspection at ECM .........................7B-70
Repair Instructions ............................................7B-71
HVAC Unit Components ...................................7B-72
HVAC Unit Removal and Installation ................7B-73
Temperature Control Actuator Inspection .........7B-73
Air Flow Control Actuator Inspection .................7B-74
Air Intake Control Actuator Inspection...............7B-75
Actuator Linkage Inspection..............................7B-76
Blower Motor Controller Inspection ...................7B-76
Sunload Sensor Removal and Installation ........7B-77
Sunload Sensor Inspection ...............................7B-77
Outside Air Temperature Sensor Inspection .....7B-77
Inside Air Temperature Sensor Inspection ........7B-78
Condenser Assembly On-Vehicle Inspection ....7B-78
Receiver/Dryer Removal and Installation ..........7B-78
Evaporator Inspection .......................................7B-78
Evaporator Temperature Sensor Inspection .....7B-78
Expansion Valve Removal and Installation .......7B-78
Expansion Valve Inspection ..............................7B-78
Compressor Relay Inspection ...........................7B-78
Installation .......................................................7B-79
Compressor Assembly Components.................7B-79
Magnet Clutch Removal and Installation...........7B-79
Magnet Clutch Inspection..................................7B-79
Relief Valve Inspection......................................7B-79
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