2.8L - On Board Diagnostic (OBD) - BDF (A4 Platform)

• On Board Diagnostic (OBD)
  • On Board Diagnostic (OBD)
    • On Board Diagnostic (OBD) features
    • Electronic Power Control (EPC) Warning Light -K132-
      • Notes
      • Functional check:
    • Malfunction Indicator Light (MIL) -K83-
      • Notes
      • Functional check:
    • On Board Diagnostic (OBD), technical data
      • Control module identification
      • Functions which can be selected when using the VAG 1551/1552 or VAS 5051 scan tools
      • Selecting functions (mode) via address word 33, CARB / OBD II
    • VAG 1551 and Motronic Engine Control Module (ECM) -J220-, connecting and selecting
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Test prerequisites
      • Work sequence
    • VAS 5051 and Motronic Engine Control Module (ECM) -J220-, connecting and selecting
      • Notes
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Test prerequisites
      • Work sequence
  • DTC memory
    • Notes
    • DTC memory, checking and erasing
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Test prerequisites
      • Work sequence
    • Automatic test sequence
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Work sequence
  • DTC table: SAE P0 codes
    • Notes
    • DTCs P0010 to P0704, VAG 16394 to 17088
  • DTC table: SAE P1 codes
    • DTCs P1047 to P1912, VAG 17455 to 18322
  • DTC table: SAE P2 codes
    • DTCs P2101 to P2138, VAG 18533 to 18570
  • DTC table: SAE P3 codes
    • DTCs P3211 to P3266, VAG 19667 to 19722
  • Output Diagnosis Test Mode (DTM)
    • Output Diagnosis Test Mode (DTM), performing
      • Notes
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Test prerequisites
      • Work sequence
  • Readiness code
    • Function
    • Read readiness code
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Work sequence
        • Notes
        • Significance of figures in 8 digit number block, display zone 1 - Readiness code
    • Generating readiness code
      • Special tools, workshop equipment, testers, measuring instruments and auxiliary items required
      • Test prerequisites
      • Work sequence
        • Notes
        • Work step 1: Check DTC memory
        • Work step 2: Erase DTC memory
        • Work step 3: Adjust the Throttle Valve Control Module -J338- to the Motronic Engine Control Module (ECM) -J220-
        • Work step 4: Requesting temperature
        • Work step 5: Evaporative Emissions (EVAP) Canister system diagnosis (Tank ventilation system)
        • Work step 6: Oxygen Sensor (O2S) control diagnosis status before Three Way Catalytic Converter (TWC)
        • Work step 7: Oxygen Sensor (O2S) aging diagnosis of Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC)
        • Work step 8: Fuel supply system diagnosis (part load)
        • Work step 9: Oxygen Sensor (O2S) control diagnosis status after Three Way Catalytic Converter (TWC)
        • Work step 10: Oxygen Sensor (O2S) aging diagnosis of Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC)
        • Work step 11: Oxygen Sensor (O2S) diagnosis after Three Way Catalytic Converter (TWC) (operational readiness)
        • Work step 12: Three Way Catalytic Converter (TWC) diagnosis (checking conversion)
        • Work step 13: Fuel supply system diagnosis (idle speed)
        • Work step 14: Evaporative Emissions (EVAP) Canister system solenoid valve 1 diagnosis (Tank ventilation system)
        • Work step 15: Secondary air system diagnosis
        • Work step 16: Read readiness code
    • Readiness code, generating (overview)
  • Measured value (data) blocks
    • Safety precautions
    • Read measured value (data) block
      • Notes
      • Special tools and equipment
      • Test requirements
      • Work sequence
    • Measured value blocks, display groups 0...9 - Basic functions, evaluating
      • Display group 1
      • Evaluating display group 1, display zone 1 - Engine speed (idle speed)
      • Significance of figures in 8 digit number block, display zone 4 - Adjustment conditions
      • Display group 2
      • Evaluating display group 2, display zone 4 - Mass Air Flow (MAF)
      • Display group 3
      • Display group 4
      • Evaluating display group 4, display zone 2 - control module voltage supply
      • Evaluating display group 4, display zone 3 - Engine Coolant Temperature (ECT)
      • Evaluating display group 4, display zone 4 - Intake air temperature (IAT)
      • Display group 5
      • Display group 6
      • Display group 8
    • Measured value blocks, display groups 10...29 - Ignition, evaluating
      • Display group 10
      • Evaluating display group 10, display zone 2 - Engine load
      • Evaluating display group 10, display zone 3 - Throttle valve angle, Angle sensor -1- for throttle drive
      • Display group 14
      • Evaluating display group 14, display zone 3 - Total number of misfires
      • Display group 15
      • Display group 16
      • Evaluating display group 15, display zones 1 to 3 or display group 16, display zones 1 to 3 - Ignition misfires cyl. 1 to cyl. 6
      • Display group 20
      • Display group 21
      • Evaluating display group 20, display zones 1 to 4 and display group 21, display zones 1 and 2 - Ignition timing retardation cyl. 1 to cyl. 6
      • Display group 22
      • Display group 23
      • Display group 24
      • Evaluating display groups 22 to 24, display zones 3 and 4 - Ignition timing retardation cyl. 1 to 6
      • Display group 28
    • Measured value blocks, display groups 30...33, 99 - Oxygen Sensor (O2S) control, evaluating
      • Display group 30
      • Significance of characters in 3 digit number block, display zones 1 and 2 - Status of Oxygen Sensor (O2S) control before and after Three Way Catalytic Converter (TWC)
      • Display group 31
      • Display group 32
      • Evaluating display group 32, display zones 1 and 2 - Oxygen Sensor (O2S) learned values before Three Way Catalytic Converter (TWC)
      • Display group 33
      • Evaluating display group 33, display zone 1 - Oxygen Sensor (O2S) control before Three Way Catalytic Converter (TWC)
      • Evaluating display group 33, display zone 2 - Oxygen Sensor (O2S) control before Three Way Catalytic Converter (TWC)
      • Display group 34
      • Evaluation of display group 34, display zone 4 - Oxygen Sensor (O2S) diagnosis - Oxygen Sensor (O2S) aging before Three Way Catalytic Converter (TWC)
      • Display group 36
      • Evaluating display group 36, display zone 1 - Oxygen Sensor (O2S) voltage, Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC)
      • Evaluating display group 36, display zone 2 - Diagnosis of Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC)
      • Display group 41
      • Display group 43
      • Evaluation of display group 43, display zone 4 - Oxygen Sensor (O2S) diagnosis - Oxygen Sensor (O2S) aging after Three Way Catalytic Converter (TWC)
      • Display group 46
      • Evaluating display group 46, display zone 4 - Three Way Catalytic Converter (TWC) diagnosis (conversion test)
      • Display group 99
    • Measured value blocks, display groups 50...69 - Speed control, Evaluating
      • Display group 50
      • Display group 54
      • Display group 55
      • Significance of figures in 5 digit number block, display zone 4 - Operating conditions
      • Display group 56
      • Display group 57
      • Display group 60
      • Display group 61
      • Display group 62
      • Display group 66
      • Significance of figures in 8 digit number block, display zone 2 - Switch positions
      • Significance of figures in 8 digit number block, display zone 4 - CCS controls switch
    • Measured value blocks, display groups 70...77 - Reducing emissions, evaluating
      • Display group 70
      • Evaluating display group 70, display zone 4 - Evaporative Emissions (EVAP) Canister system regulator valve diagnosis (Fuel Tank ventilation system)
      • Display group 71
      • Evaluating display group 71, display zone 4 - Evaporative Emissions (EVAP) Canister diagnosis (leak diagnosis)
      • Display group 77
      • Evaluating display group 77, display zone 4 - Secondary air system diagnosis
    • Measured value blocks, display groups 86...89, 100 - Readiness code, evaluating
      • Display group 86
      • Significance of figures in 8 digit number block, display zone 1 - Readiness code
      • Display group 89
      • Display group 100
    • Measured value blocks, display groups 90...96 - Performance improvement, evaluating
      • Display group 90
      • Display group 91
      • Display group 95
    • Measured value blocks, display groups 120...129 - Communication, evaluating
      • Display group 125