Mazda CX-9 repair manual 2021-2025
This is the official Mazda CX-9 repair manual (2021-2025) used by technicians at authorized dealerships. It provides step-by-step instructions and is ideal for both professional mechanics and DIY enthusiasts.
Repair manual suitable for the following Mazda models: Mazda CX-9 2021, Mazda CX-9 2022, Mazda CX-9 2023, Mazda CX-9 2024, Mazda CX-9 2025.

Engine:
– Skyactiv-G 2.5T [Engine Wm].
Transmission:
– GW6A(X)-EL [AT WM].
Index:
– Wiring diagram.
– Technical guide.
– Workshop manual.
– Skyactiv G-2.5T [Engine WM].
– GW6A(X)-EL [AT WM].
– Bodyshop manual.
– Technical data.
– Maintenance and care.
On-board diagnostic:
BASIC KNOWLEDGE
TROUBLESHOOTING PROCEDURE
DTC INSPECTION
CLEARING DTC
PID/DATA MONITOR INSPECTION
SIMULATION INSPECTION
CONFIGURATION
TESTER USAGE HISTORY
ON-BOARD DIAGNOSTIC (OBD) TEST MODES
CIRCUIT INSPECTION
CONNECTOR INSPECTION
Engine:
FOREWORD [SKYACTIV-G 2.5T]
SYMPTOM DIAGNOSTIC INDEX [SKYACTIV-G 2.5T]
QUICK DIAGNOSTIC CHART [SKYACTIV-G 2.5T]
NO.1 BLOWN FUSES [SKYACTIV-G 2.5T]
NO.2 CHECK ENGINE LIGHT ILLUMINATES [SKYACTIV-G 2.5T]
NO.3 WILL NOT CRANK [SKYACTIV-G 2.5T]
NO.4 HARD TO START/LONG CRANK/ERRATIC START/ERRATIC CRANK [SKYACTIV-G 2.5T]
NO.5 ENGINE STALLS-AFTER START/AT IDLE [SKYACTIV-G 2.5T]
NO.6 CRANKS NORMALLY BUT WILL NOT START [SKYACTIV-G 2.5T]
NO.7 ENGINE OIL WARNING LIGHT ILLUMINATED/MESSAGE RELATED TO ENGINE HYDRAULIC PRESSURE MALFUNCTION INDICATED IN DISPLAY [SKYACTIV-G 2.5T]
NO.8 ENGINE RUNS ROUGH/ROLLING IDLE [SKYACTIV-G 2.5T]
NO.9 FAST IDLE/RUNS ON [SKYACTIV-G 2.5T]
NO.10 LOW IDLE/STALLS DURING DECELERATION [SKYACTIV-G 2.5T]
NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGES [SKYACTIV-G 2.5T]
NO.12 LACK/LOSS OF POWER-ACCELERATION/CRUISE [SKYACTIV-G 2.5T]
NO.13 KNOCKING/PINGING-ACCELERATION/CRUISE [SKYACTIV-G 2.5T]
NO.14 POOR FUEL ECONOMY [SKYACTIV-G 2.5T]
NO.15 EMISSION COMPLIANCE [SKYACTIV-G 2.5T]
NO.16 HIGH OIL CONSUMPTION/LEAKAGE [SKYACTIV-G 2.5T]
NO.17 COOLING SYSTEM CONCERNS-OVERHEATING [SKYACTIV-G 2.5T]
NO.18 COOLING SYSTEM CONCERNS-RUNS COLD [SKYACTIV-G 2.5T]
NO.19 EXHAUST SMOKE [SKYACTIV-G 2.5T]
NO.20 FUEL ODOR (IN ENGINE COMPARTMENT) [SKYACTIV-G 2.5T]
NO.21 ENGINE NOISE [SKYACTIV-G 2.5T]
NO.22 VIBRATION CONCERNS (ENGINE) [SKYACTIV-G 2.5T]
NO.23 A/C DOES NOT WORK SUFFICIENTLY [SKYACTIV-G 2.5T]
NO.24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY [SKYACTIV-G 2.5T]
NO.25 SULFURIC SMELL OCCURS [SKYACTIV-G 2.5T]
NO.26 SPARK PLUG CONDITION [SKYACTIV-G 2.5T]
INTERMITTENT CONCERN TROUBLESHOOTING [SKYACTIV-G 2.5T]
ENGINE CONTROL SYSTEM OPERATION INSPECTION [SKYACTIV-G 2.5T]
Lubrication:
LUBRICATION SYSTEM LOCATION INDEX [SKYACTIV-G 2.5T]
ENGINE OIL LEVEL INSPECTION [SKYACTIV-G 2.5T]
ENGINE OIL REPLACEMENT [SKYACTIV-G 2.5T]
OIL FILTER REPLACEMENT [SKYACTIV-G 2.5T]
OIL PRESSURE INSPECTION [SKYACTIV-G 2.5T]
OIL COOLER REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
ENGINE OIL SOLENOID VALVE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
ENGINE OIL SOLENOID VALVE INSPECTION [SKYACTIV-G 2.5T]
OIL PAN REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
OIL PUMP REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]

Cooling system:
COOLING SYSTEM LOCATION INDEX [SKYACTIV-G 2.5T]
COOLING SYSTEM SERVICE WARNINGS [SKYACTIV-G 2.5T]
ENGINE COOLANT LEVEL INSPECTION [SKYACTIV-G 2.5T]
ENGINE COOLANT REPLACEMENT [SKYACTIV-G 2.5T]
ENGINE COOLANT PROTECTION INSPECTION [SKYACTIV-G 2.5T]
ENGINE COOLANT LEAKAGE INSPECTION [SKYACTIV-G 2.5T]
COOLING SYSTEM CAP INSPECTION [SKYACTIV-G 2.5T]
COOLANT RESERVE TANK REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
RADIATOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
THERMOSTAT REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
THERMOSTAT INSPECTION [SKYACTIV-G 2.5T]
WATER PUMP REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
COOLING FAN MOTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
COOLING FAN MOTOR INSPECTION [SKYACTIV-G 2.5T]
FAN CONTROL MODULE INSPECTION [SKYACTIV-G 2.5T]
Intake-air system:
INTAKE-AIR SYSTEM LOCATION INDEX [SKYACTIV-G 2.5T]
INTAKE-AIR SYSTEM VACUUM HOSE ROUTING DIAGRAM [SKYACTIV-G 2.5T]
INTAKE-AIR SYSTEM DIAGRAM [SKYACTIV-G 2.5T]
INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G 2.5T]
INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
AIR CLEANER ELEMENT REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
AIR CLEANER ELEMENT INSPECTION [SKYACTIV-G 2.5T]
CHARGE AIR COOLER REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
CHARGE AIR COOLER INSPECTION [SKYACTIV-G 2.5T]
THROTTLE BODY INSPECTION [SKYACTIV-G 2.5T]
CHECK VALVE (INTAKE-AIR SYSTEM) REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
CHECK VALVE (INTAKE-AIR SYSTEM) INSPECTION [SKYACTIV-G 2.5T]
DYNAMIC PRESSURE TURBO REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
DYNAMIC PRESSURE TURBO INSPECTION [SKYACTIV-G 2.5T]
ACCELERATOR PEDAL REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
VACUUM CHAMBER INSPECTION [SKYACTIV-G 2.5T]
VACUUM CHAMBER REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
WASTEGATE VALVE ACTUATOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
WASTEGATE VALVE ACTUATOR INSPECTION [SKYACTIV-G 2.5T]
AIR BYPASS VALVE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
AIR BYPASS VALVE INSPECTION [SKYACTIV-G 2.5T]
THREE WAY SOLENOID VALVE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
THREE WAY SOLENOID VALVE INSPECTION [SKYACTIV-G 2.5T]
Fuel system:
FUEL SYSTEM LOCATION INDEX [SKYACTIV-G 2.5T]
FUEL SYSTEM FLOW DIAGRAM [SKYACTIV-G 2.5T]
BEFORE SERVICE PRECAUTION [SKYACTIV-G 2.5T]
AFTER SERVICE PRECAUTION [SKYACTIV-G 2.5T]
FUEL LINE PRESSURE INSPECTION [SKYACTIV-G 2.5T]
FUEL DRAINING PROCEDURE [SKYACTIV-G 2.5T]
FUEL TANK REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
FUEL TANK INSPECTION [SKYACTIV-G 2.5T]
FUEL-FILLER PIPE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
NON-RETURN VALVE INSPECTION [SKYACTIV-G 2.5T]
FUEL PUMP UNIT REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [SKYACTIV-G 2.5T]
FUEL PUMP UNIT INSPECTION [SKYACTIV-G 2.5T]
HIGH PRESSURE FUEL PUMP REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
HIGH PRESSURE FUEL PUMP INSPECTION [SKYACTIV-G 2.5T]
QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
FUEL INJECTOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
FUEL INJECTOR INSPECTION [SKYACTIV-G 2.5T]
FUEL FILTER (HIGH-PRESSURE) REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
FUEL PUMP CONTROL MODULE REMOVAL/INSTALLATION [SKYACTIV-G 2.5T]
FUEL PUMP CONTROL MODULE INSPECTION [SKYACTIV-G 2.5T]
Charging system:
CHARGING SYSTEM LOCATION INDEX [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)]
BATTERY REMOVAL/INSTALLATION
BATTERY INSPECTION
BATTERY RECHARGING
NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION
BATTERY CONDITION INITIALIZATION SETTING (i-stop SETTING)
GENERATOR REMOVAL/INSTALLATION [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)]
GENERATOR INSPECTION [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)]
GENERATOR DISASSEMBLY/ASSEMBLY [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)]
DC-DC CONVERTER REMOVAL/INSTALLATION [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)]
DC-DC CONVERTER INSPECTION [WITHOUT i-ELOOP (SKYACTIV-G 2.5T)]
And more….