Suzuki 2006 SX4, Service Manual

Page: 849 / 1478

Table of Contents 7- i
7
Section 7
CONTENTS
HVAC
Precautions .................................................7-1
Precautions............................................................. 7-1
Precautions on HVAC ........................................... 7-1
Heater and Ventilation............................. 7A-1
General Description .............................................7A-1
Heater and Ventilation Construction ................... 7A-1
Schematic and Routing Diagram........................7A-3
Heater and Ventilation Wiring Circuit Diagram .... 7A-3
Component Location ...........................................7A-3
Electronic Control System Components
Location ............................................................ 7A-3
Diagnostic Information and Procedures............7A-4
Heater and Ventilation Symptom Diagnosis........ 7A-4
Repair Instructions ..............................................7A-5
HVAC Unit Components ..................................... 7A-5
HVAC Unit Removal and Installation (Non-A/
C) ...................................................................... 7A-5
Blower Motor Removal and Installation............... 7A-5
Blower Motor Inspection ..................................... 7A-5
Blower Motor Resistor Removal and
Installation......................................................... 7A-6
Blower Motor Resistor Inspection ....................... 7A-6
Blower Motor Relay Inspection ........................... 7A-7
HVAC Control Unit Components......................... 7A-7
HVAC Control Unit Removal and Installation...... 7A-8
Blower Speed Selector Inspection .................... 7A-10
Air Intake Selector Inspection ........................... 7A-10
Air Intake Control Actuator Removal and
Installation.......................................................7A-10
Air Intake Control Actuator Inspection .............. 7A-11
Center Ventilation Louver Removal and
Installation.......................................................7A-12
Side Ventilation Louver Removal and
Installation.......................................................7A-12
Rear Duct Removal and Installation (If
Equipped)........................................................ 7A-13
HVAC Air Filter Removal and Installation (If
Equipped)........................................................ 7A-13
HVAC Air Filter Inspection (If Equipped)........... 7A-13
Air Conditioning System......................... 7B-1
Manual Type ............................................................7B-1
Precautions...........................................................7B-1
A/C System Caution............................................7B-1
Precautions on Servicing A/C System ................7B-1
General Description .............................................7B-2
Sub-Cool A/C System Description ......................7B-2
Manual A/C Electronic Input Output Table..........7B-3
A/C Operation Description at ECM .....................7B-3
Schematic and Routing Diagram........................7B-4
A/C System Air Flow Diagram.............................7B-4
A/C System Wiring Diagram ...............................7B-5
Component Location ...........................................7B-6
A/C System Major Components Location ...........7B-6
Electronic Control System Components
Location.............................................................7B-7
Diagnostic Information and Procedures............7B-8
A/C System Performance Inspection ..................7B-8
Trouble Diagnosis for Abnormal Pressure ........7B-11
A/C System Inspection at ECM.........................7B-12
A/C System Symptom Diagnosis ......................7B-13
Abnormal Noise Symptom Diagnosis of A/C
System ............................................................7B-15
Repair Instructions ............................................7B-17
Operation Procedure for Refrigerant Charge ....7B-17
Condenser Cooling Fan Removal and
Installation .......................................................7B-22
Condenser Cooling Fan Inspection...................7B-23
Condenser Assembly On-Vehicle Inspection....7B-23
Condenser Assembly Removal and
Installation .......................................................7B-23
Desiccant Removal and Installation ..................7B-24
HVAC Unit Components ...................................7B-25
HVAC Unit Removal and Installation ................7B-26
Evaporator Inspection .......................................7B-27
Evaporator Temperature Sensor Removal
and Installation ................................................7B-27
Evaporator Temperature Sensor Inspection .....7B-28
Expansion Valve Removal and Installation .......7B-28
Expansion Valve Inspection ..............................7B-28
A/C Refrigerant Pressure Sensor and Its
Circuit Inspection.............................................7B-29
A/C Refrigerant Pressure Sensor Removal
and Installation ................................................7B-29
A/C Switch Inspection .......................................7B-29
A/C System Relay Inspection............................7B-30
Compressor Drive Belt Inspection and
Adjustment ......................................................7B-30