Components
- Control Unit ECC 6 Motor, Blower
- Compartment Temperature Sensor 7 Stepper Motor Floor
- Stepper Motor Compartment 8 Air Outlet Sensor, Right
- Stepper Motor Defrost 9 Stepper Motor Blending Flap, Right
- Vacuum Valve
Contents
Wiring diagrams Section: Ecc Electronic Climate Control- Introduction
- General Instructions / Safety Measures
- Checking Equipment
- New Program Memory Codes for Electronic Climate Control (Ecc)
- Block Diagram
- Components
- Control Unit, Part and Catalogue Numbers
- Abbreviations, Definitions
- Electronic Climate Control (Ecc)
- New Program Memory Codes for Radios, Mid, TID, Ecc, MY 1998
- System Specific Features
- A, Diagnostic System Check
- How to Connect Diagn. Tester A. Establish Communication the B-01
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 10 Compartment Temp Sensor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 11 Compartment Temp Sensor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 12 Left Air Outlet Sensor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 13 Left Air Outlet Sensor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 14 Right Air Outlet Sensor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 15 Right Air Outlet Sensor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 16 Interior Flap Motor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 17 Interior Flap Motor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 18 Left Blending Flap Motor Volt. Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 19 Left Blending Flap Motor Volt. High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 20 Right Blending Flap Motor Volt. Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 21 Right Blending Flap Motor Volt. High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 22 Floor Flap Motor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 23 Floor Flap Motor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 24 Defroster Flap Motor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 25 Defroster Flap Motor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 26 Blower Motor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 27 Blower Motor Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 28 Air Circulation Valve Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 29 Air Circulation Valve Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 30 Heating Cutoff Valve Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 31 Heating Cutoff Valve Voltage High
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 51 Replace ECU
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 52 Variant-Coding Not Programmed
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 55 Replace ECU
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 169 Outside Temperature Sensor Voltage Low
- B-02, F2: Diagnostic Trouble Code Table Trouble Code 171 Outside Temperature Sensor Voltage High
- B-03, F0: Data List Test Step T01 Heating Valve
- B-03, F0: Data List Test Step T02 Driver Location
- B-03, F0: Data List Test Step T03 AUTO Switch
- B-03, F0: Data List Test Step T04 OFF Switch
- B-03, F0: Data List Test Step T05 Compartment Temp
- B-03, F0: Data List Test Step T06 Defrost Switch
- B-03, F0: Data List Test Step T07 Defrost/floor Sw
- B-03, F0: Data List Test Step T08 Floor Switch
- Fan Regulator
- B-03, F0: Data List Test Step T09 Compartment Sw.
- Air Quality Sensor
- B-03, F0: Data List Test Step T10 COMP./floor Sw.
- B-03, F0: Data List Test Step T11 Blower Inc. Sw.
- B-03, F0: Data List Test Step T12 Blower Dec. Sw.
- B-03, F0: Data List Test Step T13 L. Temp. Inc. Sw
- B-03, F0: Data List Test Step T14 L. Temp. Dec. Sw
- B-03, F0: Data List Test Step T15 R. Temp. Inc. Sw
- B-03, F0: Data List Test Step T16 R. Temp. Dec. Sw
- B-03, F0: Data List Test Step T17 AC/eco Switch
- B-03, F0: Data List Test Step T18 AIR Circ. Switch
- B-03, F0: Data List Test Step T19 OUTS.sensor Temp
- B-03, F0: Data List Test Step T20 Outside Temperature
- B-03, F0: Data List Test Step T21 L. Outlet Temperature
- B-03, F0: Data List Test Step T22 NOM. Left Temperature
- B-03, F0: Data List Test Step T23 R. Outlet Temperature
- Air Conditioning with Electronic Regulation, General (Omega-B)
- B-03, F0: Data List Test Step T24 NOM. Right Temperature
- Location of Components in Vehicle Omega-B (Heating, Ventilation, AC)
- B-03, F0: Data List Test Step T25 Solar Sens. Int.
- Controls with Buttons and Display Omega-B (Heating, Ventilation, AC)
- B-03, F0: Data List Test Step T26 Solar Intensity
- Control Element for Air Distribution Omega-B (Heating, Ventilation, AC)
- B-03, F0: Data List Test Step T27 REAR Win.heat.st
- Control Element for Automatic Operation and Air Quantity - Omega-B (HVAC)
- B-03, F0: Data List Test Step T28 ADD on Heater
- Control Element for Temperature Preselection Driver's/co-Driver's Side (Omega-B)
- B-03, F0: Data List Test Step T29 Vehicle Speed
- Automatic Mode (Control Element, Temperature Preselection, Driver/co-Dr.side)-Omega-B
- B-03, F0: Data List Test Step T30 Blower Motor
- Recirculating Air Omega-B (Heating, Ventilation, AC)
- B-03, F0: Data List Test Step T31 Blower Voltage
- Plug for AC Wiring Harness, 26-pin Omega-B
- B-03, F0: Data List Test Step T32 A/c Inform. Sig.
- Plug to Instrument Panel Wiring Harness, 22-pin (Omega-B)
- B-03, F0: Data List Test Step T33 A/c Cutoff
- Plug for Sun Sensor, 4-pin Omega-B
- B-03, F0: Data List Test Step T34 L. Bl. Flap Mo.
- Plug for Stepper Motor, 6-pin Omega-B
- B-03, F0: Data List Test Step T35 L. Bl. Flap Pos.
- Technical Data - Stepper Motors Omega-B
- B-03, F0: Data List Test Step T36 R. Bl. Flap Mo.
- Synchronisation of Stepper Motors Omega-B
- B-03, F0: Data List Test Step T37 R. Bl. Flap Pos.
- Block Diagram Stepper Motor Omega-B
- B-03, F0: Data List Test Step T38 INT. Flap Motor
- Sensors Omega-B
- B-03, F0: Data List Test Step T39 INT. Flap Pos.
- Block Diagram Sensors Omega-B
- B-03, F0: Data List Test Step T40 Floor Flap Motor
- Installation Position of Sun Sensor (HVAC) - Omega-B
- B-03, F0: Data List Test Step T41 Floor Flap Pos.
- Ecc-Trouble Code Table (HVAC) Omega-B
- B-03, F0: Data List Test Step T42 DEFR. Flap Motor
- Circuit Diagram Air Conditioning Omega-B
- B-03, F0: Data List Test Step T43 DEFR. Flap Pos.
- B-03, F0: Data List Test Step T44 AIR Outlet Mode
- B-03, F0: Data List Test Step T45 HEAT.cutoff Val.
- B-03, F0: Data List Test Step T46 AIR Circ. Valve
- B-04, F5: Actuator Test Test Step T01 A/c Inform.sig
- B-04, F5: Actuator Test Test Step T02 AIR Circ.valve
- B-04, F5: Actuator Test Test Step T03 HEAT. Cutoff V
- B-05, F7: Programming Test Step T01 Control Module
- B-06, F8: ECU Control Test Test Step T01 Blower Motor
- B-06, F8: ECU Control Test Test Step T02 L.bl.flap Mo.
- B-06, F8: ECU Control Test Test Step T03 R.bl.flap Mo.
- B-06, F8: ECU Control Test Test Step T04 INT. Flap Mo.
- B-06, F8: ECU Control Test Test Step T05 Floor Flap Mo.
- B-06, F8: ECU Control Test Test Step T06 DEFR. Flap Mo.
- Test Not Supported by Diagnostic Tester Test
- General Information for C-X Test
- No Communication Between Diagnostic Tester and Control Unit
- Control Unit Hardware and Software
- System Voltage Circuit
- Air Conditioning Information Switch Circuit
- Recalculated Air Switch Circuit
- Outside Temperature Sensor Circuit
- Left Air Outlet Sensor Circuit Test
- Right Air Outlet Sensor Circuit
- Daylight Sensor Circuit Test
- Rear Screen Heating Circuit Test
- Parking Heater Circuit
- Driving Speed Sensor Circuit Test
- Fan Control Diagnostic Lead Circuit Test
- Fan Control Circuit Test
- Instrument Illumination Circuit
- Windscreen Mists Up After Starting Engine and Switching on Air-Con
- Air Conditioning Function Illumination Circuit
- Recalculated Air Function Illumination Circuit Test
- Air Conditioning Compressor Information Circuit
- Air Conditioning Cut-Out Relay Circuit
- Left Mixed Air Stepper Motor Circuit
- Right Mixed Air Stepper Motor Circuit
- Interior Ventilation Stepper Motor Circuit
- Football Ventilation Stepper Motor Circuit
- De-Icing Stepper Motor Circuit
- Heating Circuit Shut-Off Valve Circuit
- Recalculation Air Vacuum Valve Circuit
- Temperature Sensor
- Air Conditioner -Insufficient Chilling
- Sun Sensor
- Air Conditioner -Interrupted Chilling
- Air Conditioner -Not Chilling
- Extreme Running Noise
- Water Within Interior
- Wiring Harness Plug, 22 Pin Terminal Assignment
- Wiring Harness Plug, 26 Pin Terminal Assignment
- Sunshine Sensor Wiring Harness Plug, 4 Pin Terminal Assignment
- Stepper Motor Wiring Harness Plug, 6 Pin Terminal Assignment
- Fan Motor (Fan Control) Wiring Harness Plug, 5p Terminal Assignment
- Diagnostic Plug Xd, 16 Pin Terminal Assignment
- Excerpt from Instrument Panel Wiring Harness Plug and Motronic/ Smite Turbo Diesel X3, 20 Pin Terminal Assignment
- Excerpt from Instrument Panel Wiring Harness Plug and Additional X5, 6 Pin, Terminal Assignment
- Excerpt from Motronic Wiring Harness Plug and Additional X30, 6 Pin Terminal Assignment
- Excerpt from Motronic/ Smite K61/K69 Wiring Harness Plug, 55 Pin Control Unit (X20SE, 20SE, X25XE. X30XE/ X20XEV), Terminal Assignment
- Excerpt from Turbo Diesel Control Unit K70 Wiring Harness Plug, 55 Pin (25DT, X25DT),Terminal Assignment
- Excerpt from Instrument Panel Wiring Harness Plug X1,107 Pin, and Body Terminal Assignment
- Excerpt from Display- Tid/mid U15/U16, Wiring Harness Plug 26 Pin, Terminal Assignment
- Excerpt from Automatic Transmission Control Unit K85, Wiring Harness Plug 55 Pin, Terminal Assignment
- Component Survey Omega-B Arrangement of Parts in Vehicle
- Excerpt from Passenger Compartment Relay Box, Arrangement of Parts in Vehicle
- Excerpt from Engine Compartment Relay Box, Location of Parts in Vehicle
- Excerpt from Omega-B Circuit Diagram
- Time Allowance
- Performance Test Appendix
- Form Sheet for ECU Diagnostic Appendix
- Excerpt from As/as Control Unit Wiring Harness Plug and TIC U4.8, 25 Pin, Terminal Assignment
- Control Switches for the Ecc Jam or Do Not Function
- Preselected Temperature on Display Does Not Match Passenger Compartment Temperature
- Controls Switch Automatically to Auto Mode After Ignition On
- How to Replace (As of MY 2000) 2000) the Temperature Sensor - Air Outlet, Right Head Room
- How to Replace (As of MY 2000) the Temperature Sensor - Air Outlet, Left Head Room
- How to Remove and Install (As of MY 2000) the Air Quality Sensor
- ABS
- ABS 5.3
- ABS 5.3/TC/ESP
- ABS 5/TC, ABS 5.3/TC
- Accessories
- Adhesive Foiles
- Air Conditioning
- Airbag
- Antenna
- Anti-Theft Warning System-M
- Automatic Transmission Rear Wheel Drive
- Battery
- Board Computer
- Body Equipment
- Brake Hydraulics, Brake Lines
- Brakes
- Car Level Control
- Central Door Locking System
- Central Locking with Atws (Electronic)
- Check Control
- Clutch
- Clutch and Transmission
- Communication / Navigation
- Connector pinouts
- Cooling System
- Corrosion Protection
- Diesel Engine
- DOHC Diesel Engine
- DOHC Petrol Engine
- Ecc Electronic Climate Control
- Electrical Equipment and Instruments
- Electrical Socket Front/ Rear
- Electrical Window Winders
- Electronic Cruise Control
- Electronic Ride Control
- Electronic Traction Control
- Engine and Engine Aggregates
- Engine Electrics
- Exhaust System
- Fittings, Hinges, Locks
- Frame
- Front End
- Front Wheel Brake
- Front Wheel Suspension
- Front Wheel Suspension, Wheels and Tyres
- Fuel and Exhaust System
- Fuel Injection Systems
- Fuel System
- Fuse Box
- General Vehicle Information
- Glass, Window Guides, Window Winders
- Headlamps, Lamps and Horn
- Heating, Ventilation
- Heating, Ventilation, Air Conditioning (HVAC)
- Immobiliser
- Instruments, Telltales
- Maintenance, Body and Chassis Sheet Metal Parts, Frame
- Manual Transmission Rear Wheel Drive
- Mid (Multi Info Display)
- OHC Petrol Engine
- Other Accessories
- Outside Rear View Mirror
- Paint
- Painting Repair Operations
- Painting Repair System
- Parkpilot
- Power Steering
- Radiator Grille
- Radio
- Radio Interference Suppression
- Rear Axle and Rear Wheel Suspension
- Rear Axle Rear Wheel Drive
- Rear End
- Rear Wheel Brake
- Removing and Installing Assemblies Remove
- Roof Luggage Carrier (Railing)
- Seat Heating Systems
- Seats, Upholstery, Inner Trim Panels
- Secondary Air Injection
- Service Brake, Parking Brake
- Sheet Metal Parts (Bolted)
- Sheet Metal Parts (Cement and Seal)
- Sheet Metal Parts (Welded)
- Sliding Roof
- Steering
- Steering Damper
- Steering Gear
- Steering Linkage
- Steering Wheel - Steering Column
- Switches, Control Unit, Relays, Ignition Lock
- TID (Triple Info Display)
- Trailer Hitch
- Trim Panels, Radiator Grille, Spoiler
- Trim Strips, Lettering, Coverings
- Turbo-Charging
- Wheels and Tyres
- Windscreen Wash/wipe System, Heated Screen
- Wiring Harnesses
- Xenon Control Unit (Headlamp Range Control)
- Zf Servotronic Steering