1.8L - On Board Diagnostic (OBD) - AWW, AWP (A4 Platform)

• On Board Diagnostic (OBD)
  • On Board Diagnostic (OBD)
    • On Board Diagnostic (OBD), features
    • On Board Diagnostic (OBD), technical data
      • Control module identification
      • Equipment
        • Notes
        • Functions which can be selected when using the VAG1551/1552 scan tools or VAS5051
        • Selectable functions (modes) under address word 33, CARB / OBD II
    • Exhaust gas warning lamp MIL (Malfunction Indicator Lamp), significance
      • Notes
      • Functional check:
    • Electronic Power Control (EPC) warning lamp in instrument cluster, significance
      • Notes
      • Functional check:
    • VAG1551 scan tool, connecting and selecting engine control module
      • Special tools and equipment
      • Test conditions
      • Work sequence
    • VAS5051 Vehicle Diagnostic, Testing and Information System, connecting and selecting engine control module
      • Notes
      • Special tools and workshop
      • Test conditions
      • Work sequence
  • Diagnostic Trouble Code (DTC) memory
    • Notes
    • DTC memory, checking and erasing (functions 02 and 05)
      • Notes
      • Special tools and equipment
      • Work sequence
    • Automatic test sequence
  • Diagnostic Trouble Code (DTC) table: SAE P0 codes
    • Notes
    • DTCs P0010 to P0704, VAG 16394 to 17088
      • Fuel, air metering and additional exhaust gas regulation
      • Fuel and air metering
      • Ignition system
      • Additional exhaust gas regulation
      • Speed and idling speed regulation
      • Control module and output signals
      • Gearbox
    • DTCs P1102 to P1238, VAG 17510 to 18570
      • Notes
      • Fuel and air metering
      • Ignition system
      • Additional exhaust gas regulation
      • Speed and idling speed regulation
      • Control module and output signals
  • Output Diagnostic Test Mode
    • Output Diagnostic Test Mode (function 03), performing
    • Special tools and equipment
      • Notes
      • Test conditions
      • Work sequence
  • Readiness code
    • Function
    • Readiness code, reading
      • Special tools and equipment
      • Work sequence
    • Readiness code for engine code AWP, generating
      • Special tools and equipment
      • Check conditions
      • Work sequence
        • Notes
        • Work step 1: Check Diagnostic Trouble Code (DTC) memory
        • Work step 2: Erase DTC memory
        • Work step 3: Matching the throttle valve control module to the engine control module
        • Work step 4: Temperature check
        • Work step 5: EVAP system diagnosis (tank venting system)
        • Work step 6: Diagnosis of oxygen sensor status
        • Work step 7: Diagnosis tank venting system
        • Work step 8: Oxygen sensor aging diagnosis before catalyst (cycle duration monitor)
        • Work step 9: Secondary air system diagnosis
        • Work step 10: Oxygen sensor control system diagnosis
        • Work step 11: Diagnosis of oxygen sensor aging after catalyst
        • Work step 12: Diagnosis of oxygen sensor operational readiness after catalyst
        • Work step 13: Catalyst diagnosis
        • Work step 14: Read out readiness code
    • Readiness code for engine code AWW, generating
      • Special tools and equipment
      • Test conditions
      • Work sequence
        • Notes
        • Work step 1: Check DTC memory
        • Work step 2: Erase DTC memory
        • Work step 3: Matching the throttle valve control module to the engine control module
        • Work step 4: Temperature check
        • Work step 5: EVAP system diagnosis (tank venting system)
        • Work step 6: Diagnosis of fuel system
        • Work step 7: Diagnosis of tank venting system
        • Work step 8: Diagnosis of oxygen sensor operational readiness after catalyst
        • Work step 9: Diagnosis of oxygen sensor aging after catalyst
        • Work step 10: Diagnosis of oxygen sensor status
        • Work step 11: Oxygen sensor aging diagnosis (cycle duration monitor)
        • Work step 12: Oxygen sensor control system diagnosis
        • Work step 13: Catalyst diagnosis
        • Work step 14: Secondary air system diagnosis
        • Work step 15: Read readiness code
  • Measuring Value Block
    • Safety precautions
    • Read Measuring Value Block (function 08)
      • Notes
      • Test conditions
      • Work sequence
    • Measuring value blocks, evaluating display groups 0 to 9 (Basic functions)
      • Display Group 1 (Basic Functions)
        • Notes
        • Significance of 8 -digit number block for readiness code
        • Evaluating display group 1, display zone 1 - Engine speed (idling speed)
      • Display Group 2 (Basic Functions) Mass Air Flow (MAF) Sensor
        • Notes
        • Evaluating display group 2, display zone 3 - Injection period
        • Evaluating display group 2, display zone 4 - Air mass drawn in
      • Display Group 3 (Basic Functions) Mass Air Flow (MAF) Sensor
      • Display Group 4 (Basic Functions)
        • Notes
        • Evaluating display group 4, display zone 2 - Control module voltage supply
        • Evaluating display group 4, display zone 3 - Coolant temperature
        • Evaluating display group 4, display zone 4 - Intake air temperature
      • Display Group 5 (Basic Functions)
      • Display Group 6 (Basic Functions)
      • Display Group 8 - Basic Function- Vacuum Pump For Brakes
    • Measuring value blocks, evaluating display groups 10 to 29 (Ignition)
      • Display Group 10 (Ignition)
        • Notes
        • Evaluating display group 10, display zone 2 - Engine load
        • Evaluating display group 10, display zone 3 - Throttle valve angle
      • Display Group 14 (Ignition) Misfire Recognition
      • Display Group 15 -Ignition- Misfire Recognition Cyl. 1 to Cyl. 3
      • Display Group 16 -Ignition- Misfire Recognition Cyl. 4
        • Notes
        • Evaluating display group 14, display zone 3 - Total number of misfires
      • Display Group 22 (Ignition) Knock Control
      • Display Group 23 (Ignition) Knock Control
        • Notes
        • Evaluating display groups 22/23, display zones 3 and 4 - Retardation of ignition
      • Display Group 28 (Ignition) Knock Control
    • Measuring value blocks, evaluating display groups 30 to 49, 99, 107 (oxygen sensor control)
      • Display Group 30 (Oxygen Sensor Control)
        • Notes
        • Significance of 3 digit number block in display zones 1 and 2
      • Display Group 32 (Oxygen Sensor Control) Oxygen Sensor Learned Values
        • Notes
        • Evaluating display zone 32, display zones 1 and 2 - Oxygen sensor learned values
      • Display Group 33 (Oxygen Sensor Control) Oxygen Sensor Control Values
        • Notes
        • Evaluating display group 33, display zone 1 - oxygen sensor regulator before catalyst
      • Display Group 34 (Oxygen Sensor Control) Oxygen Sensor Diagnostic Before Catalyst (Checking Age Via Cycle Duration Monitoring)
      • Display Group 36 Oxygen Sensor Control (Oxygen Sensor Control) Operational Readiness Of Oxygen Sensor After Catalyst
        • Notes
        • Evaluating display group 36, display zone 1 - Oxygen sensor voltage, oxygen sensor after catalyst
      • Display Group 37 (Oxygen Sensor Control) Oxygen Sensor - Dwell Period Test
      • Display Group 41 Oxygen Sensor Control (Oxygen Sensor Control) Oxygen Sensor Heating
      • Display Group 43 (Oxygen Sensor Control) Oxygen Sensor Diagnostic After Catalyst (Ageing Check)
      • Display Group 46 (Oxygen Sensor Control) Catalyst Diagnostic (Conversion Test)
      • Display Group 99 -oxygen Sensor Control - Oxygen Sensor Operating Condition
      • Display Group 107 Oxygen Sensor Control - Diagnostic Of Fuel System
    • Measuring value blocks, evaluating display groups 50 to 69 (Speed regulation)
      • Display Group 50 (Speed Regulation) Operating Condition
      • Display Group 54 (Speed Regulation) Chart
      • Display Group 55 (Speed Regulation) Idling Stabilization
        • Notes
        • Significance of 5 digit number block
      • Display Group 56 (Speed Regulation) Idling Speed Stabilization
      • Display Group 60 (Speed Regulation) Adaptation EPC System
      • Display Group 61 (Speed Regulation) Electronic Power Control
      • Display Group 62 (Speed Regulation) Electronic Power Control
      • Display Group 63 (Speed Regulation) Kick Down Adaptation
      • Display Group 66 Cruise Control System
        • Notes
        • Significance of the numbers in the 8-digit display, display field 2, brake and cruise control switch
        • Significance of the numbers in the 8-digit display, display field 4, cruise control switch
        • Significance of the figures in the 4 digit display, display zone 2, brakes, clutch and CCS switches position
        • Significance of the figures in the 4 digit display, display zone 4, CCS control switches
    • Measuring value blocks, evaluating display groups 70 to 79 (emission reduction)
      • Display Group Value Blocks 70 (Emission Reduction)
      • Display Group 71 Exhaust Reduction Leak Diagnostic System
      • Display Group 77 (Emission Reduction) Secondary Air System Diagnostic
    • Measured value blocks, evaluating display groups 86 to 89, 100 (Readiness code)
      • Display Group 89 Trip Odometer Exhaust Malfunction Indicator Lamp (MIL)
      • Display Group 100 (Readiness Code)
        • Notes
        • Significance of 8 digit number block for readiness code
    • Measuring value blocks, evaluating display groups 90 to 97 (Performance increase)
      • Display Group 91 (Performance Increase) Camshaft Adjustment
      • Display Group 94 (Performance Increase) Camshaft Adjustment
    • Measuring value blocks, evaluating display groups 110 to 119 (Charge pressure control)
      • Display Group 111 (Charge Pressure Control)
      • Display Group 113 (Charge Pressure Control)
        • Notes
        • Evaluating display group 113, display zone 4 - atmospheric pressure
      • Display Group 114 (Charge Pressure Control)
      • Display Group 115 (Charge Pressure Control)
      • Display Group 116 (Charge Pressure Control)
      • Display Group 117 (Charge Pressure Control)
      • Display Group 118 (Charge Pressure Control)
      • Display Group 119 (Charge Pressure Control)
    • Measuring value blocks, evaluating display groups 120 to 129 (Communication)
      • Display Group 120 (Traction Control-ASR)
      • Display Group 122 Transmission (Automatic Only)
      • Display Group 125 Communication - Data Bus Messages
      • Display Group 126 Communication - Data Bus Messages