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 MANUALSAUDI2005A4 QUATTRO, 4D SEDAN, 3.2 GREPAIR AND DIAGNOSISENGINE PERFORMANCEIGNITION SYSTEM3.2L - GENERIC SCAN TOOL, ENGINE CODE: BKH
2005 Audi A4 Quattro, 4D Sedan, 3.2 G
3.2L - Generic Scan Tool, Engine Code: BKH
2005 Audi A4 Quattro, 4D Sedan, 3.2 GSECTION 3.2L - Generic Scan Tool, Engine Code: BKH
- 20 - Fuel supply
- 24 - Multiport Fuel Injection (MFI)
- Simos Fuel Injection System, Servicing
- Components, Checking
- Components, Checking
- Oxygen Sensor (O2S) Heaters before Catalytic Converter, Checking
- Oxygen Sensor (O2S) 1 (behind Three Way Catalytic Converter (TWC) Heater , Checking
- Throttle Valve Control Module J338 , Checking
- Engine Speed (RPM) Sensor G28 , Checking
- Intake Air Temperature (IAT) Sensor G42 , Checking
- Engine Coolant Temperature (ECT) Sensor G62 , Checking
- Fuel pressure and residual pressure before high pressure pump , Checking
- Fuel Pressure Sensor G247 , Checking
- Low Fuel Pressure Sensor G410 , Checking
- Fuel Metering Valve N290 , Checking
- Intake Manifold Tuning (IMT) Valve Position Sensor G513 , Checking
- Intake Manifold Runner Position Sensor 2 G512 , Checking
- Intake Manifold Runner Control (IMRC) Valve N316 , Checking
- Intake Manifold Runner Position Sensor G336 , Checking
- Fuel Injectors , Checking
- Checking Intake System for Leaks
- Functions, Checking
- Engine Control Module (ECM) J623
- Additional Signals, Checking
- 26 - Exhaust system, Emission controls
- 28 - Ignition/Glow plug System
- 38 - Automatic Transmission - Gears, Hydraulic controls
- Electrical Components for Regulating Transmission O9L, Checking
- Electrical Components for Regulating Transmission O9L, Checking
- Multi-Function Transmission Range (TR) Switch F125 , Checking
- Transmission Input Speed (RPM) Sensor G182 , Checking
- Transmission Output Speed (RPM) Sensor G195 , Checking
- Transmission Fluid Temperature Sensor G93 , Checking
- Solenoid Valve 1 N88 , Checking
- Automatic Transmission Pressure Regulating Valves , Checking
- Transmission Control Module (TCM) J217
- Additional signals (Automatic Transmission), Checking
- Continuously Variable Transmission (CVT) 01J, Checking
- Electrical Components for Regulating Transmission O9L, Checking
- ST - Generic Scan Tool
- On Board Diagnostic (OBD)
- Diagnostic Modes
- Diagnostic Modes
- Diagnostic Modes Description
- Diagnostic Mode 01: Obtain Data
- Diagnostic Mode 02: Obtain Operating Conditions
- Diagnostic Mode 03: Interrogating Fault Memory
- Diagnostic Mode 04: Reset/delete Diagnostic Data
- Diagnostic Mode 06: Checking Test Results of Components that are not Continuously Monitored
- Notes
- Test-ID 01 ($01): Oxygen Sensor Monitor Bank 1 - Sensor 1
- Test-ID 02 ($02): Oxygen Sensor Monitor Bank 1- Sensor 2
- Test-ID 05 ($05): Oxygen Sensor Monitor Bank 2 - Sensor 1
- Test-ID 06 ($06): Oxygen Sensor Monitor Bank 2 - Sensor 2
- Test-ID 33 ($21): Catalyst Monitor Bank 1
- Test-ID 34 ($22): Catalyst Monitor Bank 2
- $3A (58): Fuel Tank EVAP System Leak Test (0.090)
- Test-ID 59 (3B): EVAP Monitor (0.040)
- Test-ID 60 (3C): EVAP Monitor (0.020)
- Test-ID 61 (3D): Purge Flow Monitor
- Test-ID 65 ($41): Oxygen Sensor Heater Monitor Bank 1 - Sensor 1
- Test-ID 69 ($45): Oxygen Sensor Heater Monitor Bank 2 - Sensor 1
- Test-ID 66 ($42): Oxygen Sensor Heater Monitor Bank 1 - Sensor 2
- Test-ID 70 ($46): Oxygen Sensor Heater Monitor Bank 2 - Sensor 2
- Test-ID 162 ($A2): Mis-Fire Cylinder 1 Data
- Test-ID 163 ($A4): Mis-Fire Cylinder 2 Data
- Test-ID 164 ($A4): Mis-Fire Cylinder 3 Data
- Test-ID 165 ($A5): Mis-Fire Cylinder 4 Data
- Test-ID 166 ($A4): Mis-Fire Cylinder 5 Data
- Test-ID 167 ($A7): Mis-Fire Cylinder 6 Data
- Diagnostic Mode 07: Check Test Results of Components that are Continuously Monitored
- Diagnostic Mode 08: Tank Leak Test
- Diagnostic Mode 09: Vehicle Information
- General Diagnosis
- Readiness Code
- Diagnostic Trouble Code (DTC) tables
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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.