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/Air Conditioning 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

• Heating and air conditioning functions (Petrol engine without IHKA Automatic Heating/Air Conditioning System)
• Heating and air conditioning functions (Petrol engine with IHKA Automatic Heating/Air Conditioning System)
• Heating and air conditioning functions (DDE Diesel Electronics DDE4.0 with IHKR Integrated heating/air-conditioning regulation)
• Heating and air conditioning functions (DDE Diesel Electronics DDE4.0 with IHKA Automatic Heating/Air Conditioning System)
• Voltage supply
• Blower
• Air distribution (IHKA Automatic Heating/Air Conditioning System or IHKR Integrated heating/air-conditioning regulation)
• Dynamic pressure compensation (IHKA Automatic Heating/Air Conditioning System)
• Automatic recirculated-air control (IHKA Automatic Heating/Air Conditioning System)
• Circulated air (IHKR Integrated heating/air-conditioning regulation)
• Temperature control
• Evaporator control (IHKA Automatic Heating/Air Conditioning System or IHKR Integrated heating/air-conditioning regulation)
• Rear compartment blower (Rear compartment blower)
• Rear window defogger
• Light, display and LEDs
• Independent/auxiliary heating with K bus

• Temperature control (IHKA Automatic Heating/Air Conditioning System)
• Heat exchanger sensor
• Interior temperature sensor
• Auxiliary water pump (Petrol engine)
• Footwell sensor (IHKR Integrated heating/air-conditioning regulation)
• Water valve
• Interfaces
• K-bus
• Setpoint potentiometer (IHKR Integrated heating/air-conditioning regulation)

• Splice, K-bus X10116 (up to 2000_09)
• Splice, K-bus X10116 (from 2000_09 up to 2001_03)
• Splice, K-bus X10116 (from 2001_03 up to 2002_09)
• Splice, K-bus X10116 (from 2002_09 up to 2004_03)
• Splice, K-bus X10116 (from 2004_03)
• Bus test
• Functional description of bus systems
• Oscillogram I-bus/K-bus signals