Engine Electrical System - Repair

• Troubleshooting
  • 61 20... Battery replacement information
  • 12 00 Contents of Engine Electrical System General
  • 11 00... Handling components after flood damage
  • 12 00... Instructions for removal and replacement of control units
  • 12 00... Instructions for working on the ignition system
  • 12 00... Notes for disconnecting and connecting battery
  • 12 13 Notes on checking ignition system
  • 61 00... Notes on handling wiring harnesses and cables
  • 12 00... Notes/information on start assistance (jump starting)
  • 12 Removing and installing/replacing ignition coil cover (N55)
  • 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
• Ignition Wires, Spark Plugs
  • 12 12 011 Removing and installing/replacing all spark plugs (N53, N54, N54T, N55, N63, S63)
• Ignition Coil
  • 12 13... Additional fault notes for troubleshooting
  • 12 13... Checking secondary signal for stationary ignition distribution
  • 12 13... Further fault patterns with evaluation
  • 12 13 Notes on checking ignition system
  • 12 13 511 Replacing ignition coils (N55)
  • 12 13 511 Replacing ignition coils (N63)
• Electronic Switching Or Control Units
  • 12 14 700 Coding control module (DME/DDE)
  • 12 14 705 Programming control unit (DME/DDE)
  • 12 90... Removing and installing/replacing electronics box
  • 12 14 600 Removing/replacing knock sensors (N55)
  • 12 14 611 Removing/replacing left knock sensors (N63, S63)
  • 12 14 610 Removing/replacing right knock sensors (N63, S63)
  • 12 14 524 Replace pulse sensor on exhaust camshaft (N54, N54T, N55)
  • 13 61 501 Replacing control unit (DDE)
  • 12 14 550 Replacing control unit (DME)
  • 12 14 550 Replacing control unit (DME) (N55)
  • 12 14 550 Replacing control unit (DME) (N63, S63)
  • 11 37 700 Replacing control unit (Valvetronic)
  • 12 14 521 Replacing crankshaft pulse generator (N63, S63)
  • 12 14 521 Replacing crankshaft pulse sensor (N55)
  • 12 14 650 Replacing differential-pressure sensor on intake plenum (N55)
  • 12 63 586 Replacing power distribution module (N55)
  • 12 14 512 Replacing pulse generator on left exhaust camshaft (N63)
  • 12 14 522 Replacing pulse generator on left inlet camshaft (N63)
  • 12 14 513 Replacing pulse generator on right exhaust camshaft (N63)
  • 12 14 526 Replacing pulse generator on right inlet camshaft (N63)
  • 12 14 523 Replacing pulse sensor on intake camshaft (N54, N54T, N55)
• Preheating Relay
  • 12 21 520 Removing and installing/replacing preheating control unit (M57T2)
• PREHEATER Plugs
  • 12 23 000 Checking all glow elements (M57TU/M47TU/M47T2/M57T2)
  • 12 23 505 Replacing all glow plugs (M57/M57TU/M47TU/M47T2/M57T2)
• Alternator With Drive And Mounting
  • 12 31 009 Checking alternator (BSD)
  • 12 31 009 Checking alternator and regulator switch
  • 12 31 020 Removing and installing or replacing alternator (N55)
  • 12 31 020 Removing and installing or replacing alternator (N63)
  • 12 31 020 Removing and installing/replacing alternator (M57TU, M57T2)
  • 12 31... Replacing alternator belt pulley
  • 12 31... Replacing alternator belt pulley (with overrunning clutch)
• Controller
  • 12 32 501 Replacing voltage regulator
• Starter With Mounting
  • 11 00... Handling components after flood damage
  • 12 41 020 Removing and installing/replacing starter motor (M57TU, M57T2)
  • 12 41 020 Removing and installing/replacing starter motor (N55)
  • 12 41 020 Removing and installing/replacing starter motor (N63, S63)
  • 12 41 041 Replacing solenoid switch
• Starter Lead
  • 12 42 530 Removing and installing/replacing battery positive lead (between starter motor and alternator) (M57TU, M57T2)
  • 12 42 510 Replacing battery positive lead (between starter and jump-start connection point) (M57T2)
  • 12 42 550 Replacing battery positive lead between starter, alternator and battery positive terminal (N63)
  • 12 42 540 Replacing safety battery terminal (SBK)
  • 12 42 500 Replacing the positive battery cable between the starter motor, alternator and positive battery connection point (N54, N55)
• Engine Wiring Loom
  • 12 51 001 Replacing wiring harness section for engine (M57T2)
  • 12 51 001 Replacing wiring harness section for engine (N55)
  • 12 51 001 Replacing wiring harness section for engine (N63)
  • 12 51 100 Replacing wiring harness section for ignition and injectors (N55)
  • 12 51 100 Replacing wiring harness section for ignition and injectors (N63)
  • 12 51 200 Replacing wiring harness section for injectors (M57T2) (Version 1)
  • 12 51 200 Replacing wiring harness section for injectors (M57T2) (Version 2)
• Oil Pressure/Oil Temperature/Oil Gauge
  • 12 61 285 Removing and installing/renewing oil level sensor for engine oil (N55)
  • 12 61 285 Removing and installing/replacing oil level sensor (M57TU, M57T2)
  • 12 61 285 Removing and installing/replacing oil level sensor for engine oil (N63, S63)
  • 12 61 280 Removing and installing/replacing oil pressure sensor (N55)
  • 12 61 280 Removing and installing/replacing oil pressure sensor (N63, S63)
  • 12 61 280 Removing and installing/replacing oil pressure switch (M57TU, M57T2)
• Coolant Temperature
  • 13 62 585 Removing and installing/replacing the pressure sensor for the exhaust system (M57TU, M57T2, M57T2 SCR)
• Switches And Relays
  • 12 63 586 Replacing power distribution module (N55)
• Control Unit Box
  • 12 90... Removing and installing/replacing electronics box
  • 12 90 100 Replacing blower for electronics box