Model - Suzuki GRAND VITARA Owner's Manual

7-ii Table of Contents
Diagnostic Information and Procedures..........7B-11
Air Conditioning System Check.........................7B-11
DTC Check........................................................ 7B-13
DTC Clearance ................................................. 7B-14
DTC Table.........................................................7B-14
Fail-Safe Table..................................................7B-17
Scan Tool Data ................................................. 7B-18
Visual Inspection ...............................................7B-20
A/C System Performance Inspection ................ 7B-20
A/C System Symptom Diagnosis ......................7B-26
Abnormal Noise Diagnosis................................ 7B-28
Abnormal Noise Symptom Diagnosis of A/C
System ............................................................7B-28
DTC B1502: Inside Air Temperature Sensor
and/or Its Circuit Malfunction .......................... 7B-30
DTC B1503: A/C Evaporator Air
Temperature Sensor and/or Its Circuit
Malfunction......................................................7B-31
DTC B1504: Sunload Sensor and/or Its
Circuit Malfunction .......................................... 7B-33
DTC B1511: Temperature Control Actuator
(Position Sensor) and/or Its Circuit
Malfunction......................................................7B-34
DTC B1512: Air Flow Control Actuator
(Position Sensor) and/or Its Circuit
Malfunction......................................................7B-37
DTC B1513: Temperature Control Actuator
and/or Its Circuit Malfunction .......................... 7B-39
DTC B1514: Air Flow Control Actuator
and/or Its Circuit Malfunction .......................... 7B-42
DTC B1520: Temperature Selector and/or
Its Circuit Malfunction......................................7B-44
DTC B1521: Blower Speed Selector and/or
Its Circuit Malfunction......................................7B-45
DTC B1530: Air Intake Control Actuator
(Position Sensor) and/or Its Circuit
Malfunction......................................................7B-45
DTC B1531: Air Intake Control Actuator
and/or Its Circuit Malfunction .......................... 7B-48
DTC B1546: A/C Refrigerant Pressure
Malfunction......................................................7B-50
DTC B1551: Serial Communication
Circuit Malfunction .......................................... 7B-51
DTC B1552: Serial Communication
Circuit Malfunction .......................................... 7B-53
DTC B1553: CAN Communication Circuit
Malfunction......................................................7B-53
DTC B1556: Camshaft Position (CMP)
Sensor and/or Its Circuit Malfunction .............. 7B-54
DTC B1557: Wheel Speed Sensor and/or
Its Circuit Malfunction......................................7B-54
DTC B1561: Engine Coolant Temperature
Sensor and/or Its Circuit Malfunction .............. 7B-54
DTC B1562: Outside Air Temperature
Sensor and/or Its Circuit Malfunction .............. 7B-55
DTC B1563: A/C Refrigerant Pressure
Sensor and/or Its Circuit Malfunction .............. 7B-55
HVAC Control Module and Its Circuits
Inspection........................................................ 7B-55
A/C System Inspection at ECM.........................7B-58
Repair Instructions ............................................7B-59
Operation Procedure for Charging A/C
with Refrigerant ...............................................7B-59
A/C Condenser Assembly On-Vehicle
Inspection........................................................7B-63
A/C Condenser Assembly Removal and
Installation .......................................................7B-63
Desiccant Removal and Installation ..................7B-64
HVAC Air Filter Removal and Installation .........7B-65
HVAC Air Filter Inspection ................................7B-65
HVAC Unit Components ...................................7B-66
HVAC Unit Removal and Installation ................7B-67
A/C Evaporator Removal and Installation .........7B-68
A/C Evaporator Inspection ................................7B-68
A/C Evaporator Temperature Sensor
Removal and Installation.................................7B-68
A/C Evaporator Temperature Sensor
Inspection........................................................7B-68
Expansion Valve On-Vehicle Inspection ...........7B-69
Expansion Valve Removal and Installation .......7B-69
A/C Refrigerant Pressure Sensor and Its
Circuit Inspection.............................................7B-69
A/C Refrigerant Pressure Sensor Removal
and Installation ................................................7B-70
Sunload Sensor Removal and Installation ........7B-70
Sunload Sensor Inspection ...............................7B-71
Inside Air Temperature Sensor Removal
and Installation ................................................7B-71
Inside Air Temperature Sensor Inspection ........7B-71
Outside Air Temperature Sensor Removal
and Installation ................................................7B-71
Outside Air Temperature Sensor Inspection .....7B-71
Air Flow Control Actuator Removal and
Installation .......................................................7B-71
Air Flow Control Actuator Inspection .................7B-71
Air Intake Control Actuator Removal and
Installation .......................................................7B-72
Air Intake Control Actuator Inspection...............7B-72
Temperature Control Actuator Removal
and Installation ................................................7B-72
Temperature Control Actuator Inspection .........7B-72
HVAC Control Module Removal and
Installation .......................................................7B-72
A/C Compressor Drive Belt Inspection
and Adjustment ...............................................7B-72
A/C Compressor Drive Belt Removal and
Installation .......................................................7B-72
A/C Compressor Relay Inspection ....................7B-72
Compressor Assembly On-Vehicle
Inspection........................................................7B-73
Compressor Assembly Removal and
Installation for M16 Engine Model...................7B-73
Compressor Assembly Removal and
Installation for J20 Engine Model ....................7B-74
Magnet Clutch Components for M16 Engine
Model ..............................................................7B-75
Magnet Clutch Components for J20 Engine
Model ..............................................................7B-76
Magnet Clutch Operating Check for M16
Engine Model ..................................................7B-76