Mazda Mazda6 Workshop Manual Supplement page 864

H EATER AND AIR CONDITIONER SYSTEMS
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FEATURES
OUTLINE ................................................................U-2
OUTLINE OF CONSTRUCTION..........................U-2
FEATURES ..........................................................U-2
SPECIFICATIONS ...............................................U-2
CONTROL SYSTEM...............................................U-6
WATER HEATER SYSTEM.................................U-6
SERVICE
OUTLINE ................................................................U-7
SUPPLEMENTAL SERVICE INFORMATION .....U-7
LOCATION INDEX .................................................U-8
BASIC SYSTEM...................................................U-8
CONTROL SYSTEM............................................U-9
BASIC SYSTEM ...................................................U-10
A/C UNIT REMOVAL/INSTALLATION...............U-10
A/C COMPRESSOR
REMOVAL/INSTALLATION ............................U-11
CONDENSER REMOVAL/INSTALLATION .......U-12
REFRIGERANT LINES
REMOVAL/INSTALLATION ............................U-13
CONTROL SYSTEM.............................................U-15
WATER HEATER UNIT
REMOVAL/INSTALLATION ............................U-15
FUEL PUMP (WATER HEATER SYSTEM)
INSPECTION ..................................................U-16
CLIMATE CONTROL UNIT INSPECTION.........U-16
ON-BOARD DIAGNOSTIC ...................................U-22
FOREWORD......................................................U-22
DTC TABLE ................................................... U-22-2
PID/DATA MONITOR AND RECORD ........... U-22-2
DTC B1317 .................................................... U-22-3
DTC B1318 ........................................................U-23
DTC B1342, B2463, B2537, B2538, B2547.......U-23
DTC B2449, B2450 ............................................U-24
DTC B2451, B2452 ............................................U-24
DTC B2453, B2454 ............................................U-25
DTC B2548 ........................................................U-25
TROUBLESHOOTING..........................................U-26
FOREWORD......................................................U-26
TROUBLESHOOTING INDEX ...........................U-26
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U–1