Suzuki GRAND VITARA 2005 Service Manual page 498

7-ii Table of Contents
General Description .............................................7B-3
AUTO A/C System Description ........................... 7B-*
HVAC Control System Description...................... 7B-*
Auto A/C Electronic Control Input / Output
Table ................................................................. 7B-3
HVAC Control Module Operation
Description ........................................................ 7B-*
A/C Refrigerant Type Description ....................... 7B-3
Sub-Cool A/C System Description ...................... 7B-*
A/C Evaporator Temperature Sensor
Description ........................................................ 7B-*
On-Board Diagnostic System Description........... 7B-*
Schematic and Routing Diagram........................7B-4
A/C System Wiring Circuit Diagram .................... 7B-4
Component Location ...........................................7B-6
Major Components of A/C System...................... 7B-*
A/C Control System Components Location......... 7B-6
Diagnostic Information and Procedures............7B-8
Air Conditioning System Check........................... 7B-*
DTC Check.......................................................... 7B-*
DTC Clearance ................................................... 7B-*
DTC Table........................................................... 7B-*
Fail-Safe Table.................................................... 7B-*
Scan Tool Data ................................................... 7B-8
Visual Inspection ................................................. 7B-*
A/C System Performance Inspection ................ 7B-10
A/C System Symptom Diagnosis ......................7B-14
Abnormal Noise Diagnosis.................................. 7B-*
Abnormal Noise Symptom Diagnosis of A/C
System .............................................................. 7B-*
DTC B1502: Inside Air Temperature Sensor
and/or Its Circuit Malfunction ............................ 7B-*
DTC B1503: A/C Evaporator Air
Temperature Sensor and/or Its Circuit
Malfunction........................................................ 7B-*
DTC B1504: Sunload Sensor and/or Its
Circuit Malfunction ............................................ 7B-*
DTC B1511: Temperature Control Actuator
(Position Sensor) and/or Its Circuit
Malfunction........................................................ 7B-*
DTC B1512: Air Flow Control Actuator
(Position Sensor) and/or Its Circuit
Malfunction........................................................ 7B-*
DTC B1513: Temperature Control Actuator
and/or Its Circuit Malfunction ............................ 7B-*
DTC B1514: Air Flow Control Actuator
and/or Its Circuit Malfunction ............................ 7B-*
DTC B1520: Temperature Selector and/or
Its Circuit Malfunction........................................ 7B-*
DTC B1521: Blower Speed Selector and/or
Its Circuit Malfunction........................................ 7B-*
DTC B1530: Air Intake Control Actuator
(Position Sensor) and/or Its Circuit
Malfunction........................................................ 7B-*
DTC B1531: Air Intake Control Actuator
and/or Its Circuit Malfunction ............................ 7B-*
DTC B1546: A/C Refrigerant Pressure
Malfunction........................................................ 7B-*
DTC B1551: Serial Communication
Circuit Malfunction ............................................ 7B-*
DTC B1552: Serial Communication
Circuit Malfunction............................................. 7B-*
DTC B1553: CAN Communication Circuit
Malfunction........................................................ 7B-*
DTC B1556: Camshaft Position (CMP)
Sensor and/or Its Circuit Malfunction ................ 7B-*
DTC B1557: Wheel Speed Sensor and/or
Its Circuit Malfunction......................................7B-17
DTC B1561: Engine Coolant Temperature
Sensor and/or Its Circuit Malfunction ..............7B-18
DTC B1562: Outside Air Temperature
Sensor and/or Its Circuit Malfunction ................ 7B-*
DTC B1563: A/C Refrigerant Pressure
Sensor and/or Its Circuit Malfunction ..............7B-18
HVAC Control Module and Its Circuits
Inspection.......................................................... 7B-*
Repair Instructions ............................................7B-19
Operation Procedure for Charging A/C
with Refrigerant ...............................................7B-19
A/C Condenser Assembly On-Vehicle
Inspection.......................................................... 7B-*
A/C Condenser Assembly Removal and
Installation ......................................................... 7B-*
Desiccant Removal and Installation .................... 7B-*
HVAC Air Filter Removal and Installation ........... 7B-*
HVAC Air Filter Inspection .................................. 7B-*
HVAC Unit Components ..................................... 7B-*
HVAC Unit Removal and Installation ................7B-23
A/C Evaporator Removal and Installation ........... 7B-*
A/C Evaporator Inspection .................................. 7B-*
A/C Evaporator Temperature Sensor
Removal and Installation................................... 7B-*
A/C Evaporator Temperature Sensor
Inspection.......................................................... 7B-*
Expansion Valve On-Vehicle Inspection ............. 7B-*
Expansion Valve Removal and Installation ......... 7B-*
A/C Refrigerant Pressure Sensor and Its
Circuit Inspection.............................................7B-24
A/C Refrigerant Pressure Sensor Removal
and Installation ................................................7B-25
Sunload Sensor Removal and Installation .......... 7B-*
Sunload Sensor Inspection ................................. 7B-*
Inside Air Temperature Sensor Removal
and Installation .................................................. 7B-*
Inside Air Temperature Sensor Inspection .......... 7B-*
Outside Air Temperature Sensor Removal
and Installation .................................................. 7B-*
Outside Air Temperature Sensor Inspection ....... 7B-*
Air Flow Control Actuator Removal and
Installation ......................................................... 7B-*
Air Flow Control Actuator Inspection ................... 7B-*
Air Intake Control Actuator Removal and
Installation ......................................................... 7B-*
Air Intake Control Actuator Inspection................. 7B-*
Temperature Control Actuator Removal
and Installation .................................................. 7B-*
Temperature Control Actuator Inspection ........... 7B-*
HVAC Control Module Removal and
Installation ......................................................... 7B-*
A/C Compressor Drive Belt Inspection..............7B-25