Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2010Q7 3.0 TDIREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSIS3.0L - GENERIC SCAN TOOL - ENGINE CODE: CATA
2010 Audi Q7 3.0 TDI
3.0L - Generic Scan Tool - Engine Code: CATA
2010 Audi Q7 3.0 TDISECTION 3.0L - Generic Scan Tool - Engine Code: CATA
- St Generic Scan Tool
- General Information
- Description And Operation
- Diagnosis And Testing
- Preliminary Check
- Readiness Code
- Diagnostic Modes 01 - 09
- Notes
- Diagnostic Mode 01 - Read Current System Data
- Diagnostic Mode 02 - Read Operating Conditions
- Diagnostic Mode 03 - Read DTC Memory
- Diagnostic Mode 04 - Erase DTC Memory
- Diagnostic Mode 05 - Read Oxygen Sensor Monitoring Test Results
- Diagnostic Mode 06 - Read Test Results For Specific Diagnostic Functions
- Notes
- Monitor-ID 01 ($01): Oxygen Sensor Exhaust sensor 1
- Monitor-ID 02 ($02): NOx-Sensor Exhaust sensor 2
- Monitor-ID 03 ($03): NOx-Sensor Exhaust sensor 3
- Monitor-ID 49 ($31): Exhaust gas recycling system
- Monitor-ID 152 ($98): NOx catalyst
- Monitor-ID A2: Mis-Fire Cylinder 1 Data
- Monitor-ID A3: Mis-Fire Cylinder 2 Data
- Monitor-ID A4: Mis-Fire Cylinder 3 Data
- Monitor-ID A5 : Mis-Fire Cylinder 4 Data
- Monitor-ID A6 : Mis-Fire Cylinder 5 Data
- Monitor-ID A7 : Mis-Fire Cylinder 6 Data
- OBDMID $B2 (152): PM-Filter
- Diagnostic Mode 07 - Read Faults Detected During The Current Or Last Driving Cycle
- Diagnostic Mode 08 - Request Control Of On-Board System, Test Or Component
- Diagnostic Mode 09 - Read Vehicle Information
- Diagnostic Mode 0A - Check Permanent DTC Memory
- Engine DTC Tables
- Transmission DTC Tables
- Diagnostic Procedures
- Automatic Glow Time Control Module -J179- AND GLOW PLUGS, CHECKING
- Camshaft Position Sensor -G40-, CHECKING
- CAN BUS Terminal Resistance, CHECKING
- CAN BUS TO ABS Control Module, CHECKING
- TCM TO ECM CAN BUS Terminal Resistance, CHECKING
- Catalytic Converter, CHECKING
- Catalyst Temperature Sensor 1 -G20-, CHECKING
- Cylinder Pressure Sensor, CHECKING
- Charge Air Pressure Sensor -G31- /Intake Air Temperature Sensor -G42-, CHECKING
- Charge Air Cooler Bypass Control Unit -J865-, CHECKING
- Engine Coolant Temperature Sensor - G62-, CHECKING
- Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING
- Engine Speed Sensor -G28-, CHECKING
- EGR Valve 1 -GX5- / EGR Motor -V338- / EGR Potentiometer -G212-, CHECKING
- EGR Temperature Sensor -G98-, CHECKING
- EGR Cooler Switch-Over Valve -N345- / EGR Cooler Switch-Over Valve 2 -N381-, CHECKING
- EGR Cooler Pump -V400-, CHECKING
- Exhaust Gas Temperature Sensors 1- 4, CHECKING
- Differential Pressure Sensor -G505-, CHECKING
- Fuel Injectors, CHECKING
- Fuel Pressure Sensor -G247-, CHECKING
- Auxiliary Fuel Pump -V393-, CHECKING
- Fuel Pump Control Module -J538-, CHECKING
- Fuel Return Check Valve, CHECKING
- Fuel Pressure Regulator Valve -N276-, CHECKING
- Fuel Temperature Sensor -G81-, CHECKING
- Fuel Metering Valve -N290-, CHECKING
- Transfer Fuel Pump -G6-, CHECKING
- Intake Flap Motor -V157- / Intake Flap Motor 2 -V275-, CHECKING
- Charge Air Cooling Pump -V188-, CHECKING
- Mass Air Flow Sensor -G70-, CHECKING
- NOX Sensor Control Module 1 - 2, CHECKING
- Heated Oxygen Sensor -G39-, CHECKING
- Oxygen Sensor Heater -Z19-, CHECKING
- Reducing Agent Line Heater (Heating Circuit 2) - Z104-, CHECKING
- Reducing Agent Tank Heater Z102, CHECKING
- Reducing Agent Pump Heater -Z103-, CHECKING
- Reducing Agent Injector -N474-, CHECKING
- Reducing Agent Transfer Pump -V436-, CHECKING
- Reducing Agent Pump -V437-, CHECKING
- Reducing Agent Tank Sensor -G684-, CHECKING
- Reducing Agent Temperature Sensor -G685-, CHECKING
- Reducing Agent Metering System Pressure Sensor -G686-, CHECKING
- Reduction Agent Reversing Valve -N473-, CHECKING
- Reducing Agent Metering System Control Module -J880-, CHECKING
- Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-, CHECKING
- Speed Signal, CHECKING
- Turbocharger, G-Charger
- Throttle Valve Control Module -J338-, CHECKING
- Turbocharger Control Module 1 -J724-, CHECKING
- Voltage Supply Relay, CHECKING
- Safety Precautions
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.