WDS Wiring Diagram System - E53

• Complete vehicle
• Component and signal information
• Service functions

• Drive
• Chassis
• body

• Displays and information
• Audio, video and navigation
• Lighting
• Bus functions
• Heating and air conditioning functions (IHKA Automatic heating/air conditioning system or IHKR Integrated heating/air-conditioning regulation)
• Heating and air conditioning functions (IHKA Integrated heating control (Redesign))
• Communication
• Restraint and rollover protection functions
• Locking and security functions
• Signal and warning functions
• Seat, steering-column, mirror functions
• Wipe and wash functions

• Diagnosis bus
• Body bus
• Instrumentation bus (IKE Instrument-cluster electronics)
• CAN-bus

• Diagnosis bus

• Connector, TXD X183 (up to 2000_09)
• Connector, TXD X183 (from 2000_09 up to 2003_09)
• Connector, TXD X183 (from 2003_09)
• Bus test
• Functional description of bus systems
• Oscillogram I-bus/K-bus signals