Section 126 (On Board Diagnostic (OBD) - 4.2L V8 5V - Art, Awn)
WARNING: This page is about a different car, the 2004 Audi A6, 2003 Audi A6, 2002 Audi A6, 2001 Audi A6, and 2000 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.
- On Board Diagnostic (OBD)
- On Board Diagnostic (OBD) of Motronic system
- Diagnostic Trouble Code (DTC) Memory, checking and erasing
- Output Diagnostic Test Mode (DTM)
- Output DTM for engine code: ART
- Notes
- The DTM activates the following components in the stated sequence:
- Test requirements
- Actuating EVAP Canister Purge Regulator Valve -N80-
- Actuating Secondary Air Injection (AIR) Solenoid Valve -N112-
- Actuating Secondary Air Injection (AIR) Pump Relay -J299-
- Actuating Intake Manifold Change-Over Valve -N156-
- Actuating camshaft adjustment valves -N205-, -N208-
- Actuating Leak Detection Pump (LDP) -V144-
- Actuating Intake Manifold Tuning (IMT) Valve 2 -N261-
- Checking left and right engine mount
- Actuating fuel injectors
- Output DTM for engine code: AWN
- Notes
- The DTM activates the following components in the stated sequence:
- Test requirements
- Actuating EVAP Canister Purge Regulator Valve -N80-
- Actuating Secondary Air Injection (AIR) Solenoid Valve -N112-
- Actuating Secondary Air Injection (AIR) Pump Relay -J299-
- Actuating Intake Manifold Change-Over Valve -N156-
- Actuating camshaft adjustment valve -N208-
- Actuating Leak Detection Pump (LDP) -V144-
- Actuating Intake Manifold Tuning (IMT) Valve 2 -N261-
- Checking left and right engine mount
- Actuating camshaft adjustment valve 1 -N205-
- Actuating fuel injectors
- Output DTM for engine code: ART
- Basic setting
- Control module, coding
- Read Measuring Value Block
- Readiness code
- Notes
- The readiness code will be reset to "1 1 1 1 1 1 1 1" if:
- Readiness code, displaying
- Readiness code, generating
- Required special tools and test equipment
- Requirements
- Work step 1: Check DTC memory
- Work step 2: Erase DTC Memory
- Work step 3: Diagnostic of EVAP canister purge regulator valve
- Work step 4: Diagnostic of tank leak test
- Work step 5: Diagnostic of fuel supply system
- Work step 6: Diagnostic of oxygen sensor heater
- Work step 7: Diagnostic of oxygen sensor before catalytic converter
- Work step 8: Diagnostic of operational readiness of oxygen sensors after TWC
- Work step 9: Diagnostic of oxygen sensor control system
- Work step 10: Diagnostic of oxygen sensor aging after catalytic converter
- Work step 11: Diagnosis catalytic converter
- Work step 12: Diagnostic of Secondary Air Injection (AIR) system
- Work step 13: Readiness code, displaying