Section 12 (Engine Control System - Removal & Installation, System Checking (Convertible))

• Accelerator pedal (AP), replacing
• Activating components/functions
• Adapter wiring switch, replacing
  • Removal and Installation
    • Removing heated oxygen sensors (HO2S)
    • Preparations
    • Heated oxygen sensors (HO2S), removing
  • Installing the adapter cable
• Camshaft diagnostics
• Camshaft seal/variable valve timing (VVT) unit, replacing (B5234T9; B5244T7; 2003-2004)
• Camshaft seal/variable valve timing (VVT) unit, replacing (B5244S/S2)
  • Notes
  • Removal
    • Notes
    • Removing the camshaft seal
    • Position the engine according to the marking
    • Removing the timing belt
    • Removing the timing gear pulley with the variable valve timing unit
    • Replacing the camshaft seal
    • Remove the engine cooling fan (FC)
  • Installation
    • Checking and adjusting the variable valve timing unit
    • Reinstall
    • Checking the engine
    • Rear camshaft seal
    • Replacing the rear camshaft seal
• Camshaft seal/variable valve timing (VVT) unit, replacing (B5244S6)
  • Notes
  • Removal
    • Notes
    • Removing the camshaft seal
    • Position the engine according to the marking
    • Removing the timing belt
    • Removing the timing gear pulley with the variable valve timing unit
    • Replacing the camshaft seal
  • Installation
    • Checking and adjusting the variable valve timing unit
    • Installing components
    • Removing the camshaft seal
    • Replacing the rear camshaft seal
    • Checking the engine
• CAN-network (Controller Area Network)
  • General
  • Cables, CAN H and CAN L
  • Controller area network (CAN) message
  • Prioritising
  • Two types of message
  • Compatibility
  • Configuration
• Carbon filter container, replacing
• Checking exhaust system
  • Notes
  • Connection of tools
  • Procedure
• Checking for air leakage in exhaust system
  • Notes
  • Checking for air leakage in the exhaust system
    • Notes
    • Engagement
    • Check
    • Preparatory work
      • Removing components
      • Installing tool
    • Cleaning and checking
      • Check
    • Finishing
      • Removing tools
      • Installing components
  • Connecting
  • Check
• Checking intake system
  • Notes
  • Preparations
  • Connect tools
  • Checking procedure
  • Checking components
  • Checking connections
  • Checking EVAP valve
  • Remove/disconnect:
• Connecting Driver Information Module (DIM) test box
  • Notes
  • Connecting the test box
• Checking fuel and residual pressures
  • Notes
  • Measuring the line pressure
  • Checking the residual pressure
• Component specifications
• Control modules Control area network (CAN)
  • Control modules
• Description of frozen values ME7
  • Explanation
  • Condition, fuel trim bank X:
  • Calculated load, %
  • Engine coolant temperature (ECT), °C
  • Fuel trim, quick adjustment, bank X %
  • Fuel trim, slow adjustment, bank X %
  • Engine speed, rpm
  • Vehicle speed, km/h
  • Boost pressure
  • Battery voltage
  • Throttle angle
  • Air mass
  • Outside temperature
  • Distance
• Description of parameters, quick test of fuel tank system
  • Conditions
    • ECU power supply (V)
    • Atmospheric pressure (Pa)
    • Fuel level (l)
    • Ambient temperature (°C)
  • Test status
    • Fuel tank system quick test
    • Test phase
    • Fuel tank pressure (Pa)
  • Test result
    • DMTL, test result
    • Tank system, test result
    • Estimated leak (mm)