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

• 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

• Components of the independent park heater/auxiliary heater
• Digital Activation Independent Park Heater/Auxiliary Heater
• Hilfe zur Fehlersuche am Stand-/Zuheizgerät
• Combustion-air fan
• Metering pump
• Heater plug/flame monitor
• Independent/auxiliary heater
• Temperature sensor
• Circulating pump
• Overheating fuse
• Supply/K bus

• Independent park/auxiliary heating (up to 2000_09)
• Independent park/auxiliary heating (from 2000_09 up to 2003_09)
• Independent park/auxiliary heating (from 2003_09)