Control Unit
Testing and Inspection
Locations
Service and Repair
Diagrams- Diagram Information and Instructions
- Diagram Legend
- 1/1 Battery
- 2/16 Relay, Intermittent Rear Window Wiping On/Off
- 2/17 Horn Relay
- 2/22 Relay, Climate Control System
- 2/23 Fuel Pump Relay
- 2/29 Relay, Extended D1 Feed
- 2/30 X Feed Overload Relay
- 2/31 15-feed Overload Relay
- 2/32 Engine Management System Main Relay
- 2/33 Fuel System Relay
- 2/34 Fog Light Relay, Front
- 2/35 Starter Motor Relay
- 2/49 Relay, Rear Fog Light
- 2/52 Relay, 15I Feed, Rear
- 2/59 Unlocking Relay, Fuel Filler Flap
- 2/61 Relay, Position/parking Lights
- 2/62 Relay, Low Beam/Bi-Xenon
- 2/63 High Beam Relay
- 2/64 Auxiliary Light (accessory) Relay
- 2/70 Relay, Climate Control System, Rear
- 2/72 Relay, Rear Window Wiper
- 2/79 Brake Light Relay
- 2/80 Reversing Light Relay
- 2/82 Relay, Heated Rear Window
- 2/83 Trailer Fog Light Relay
- 2/87 Unlocking Relay, Tailgate
- 2/90 Relay, Windshield Wiper, Low/high Speed
- 2/91 Relay, Intermittent Windshield Wiper
- 2/92 Relay, Windshield Washer Motor
- 2/93 Relay, Rear Window Washer Motor
- 2/101 Relay For Extended D2 Feed, Automatic Transmission
- 2/112 Unlocking Relay, Left-hand Rear
- 2/114 Unlocking Relay, Right-hand Rear
- 2/115 Relay, Deadlock, Rear Doors
- 2/116 Rear Power Window Up Relay
- 2/117 Right Rear Power Window Up Relay
- 2/118 Rear Power Window Down Relay
- 2/119 Right Rear Power Window Down Relay
- 2/120 Relay - Power Windows, Power Child Lock Rear Door
- 2/138-139 Deadlock Relay, LH & RH Rear Door
- 2/152 Relay, Daytime Running Lights
- 2/157 Bass Speaker System Relay
- 2/158 Locking Relay, Rear Doors, Filler Flap
- 2/159 Infotainment Relay
- 3/1 Ignition Switch
- 3/4 Cruise Control Switch SWS
- 3/6 Hazard Warning Flasher Switch
- 3/8 Heated Rear Window/door Mirror Switch
- 3/9 Brake Light Contact
- 3/10 Reversing Light Contact
- 3/25 Power Sunroof Switch
- 3/26 Power Driver's Seat Module
- 3/27 Power Passenger Seat Module
- 3/37 Horn contact
- 3/47 Parking Brake Contact
- 3/59 Control, Beam Adjustment
- 3/60 Auxiliary Light Switch
- 3/62 Hood Alarm Contact
- 3/71 Gear Position Contacts - AW 50
- 3/71 Gear Position Contacts - 4T65AWD
- 3/73 Power Child Lock (PCL) Switch
- 3/74-77 LH & RH Front & Rear Door Lock Unit
- 3/78 Trunk Lid Lock Unit
- 3/80 Switch, Left-hand Central Lock
- 3/82 Switch, Right-hand Central Lock
- 3/85-86 Rear Left & Right Door Power Window Switch
- 3/91-92 Switch, LH & RH Heated Seat
- 3/93-94 Left & Right Seatbelt Latch Switch
- 3/95 Spin Control Switch
- 3/111 Light Switch Module LSM
- 3/112 Climate Control Module CCM
- 3/117 Dome Light Control Module
- 3/126 Control Module Front Left Door DDM/PDM
- 3/127 Control Module Front Right Door PDM/DDM
- 3/130 Steering Wheel Module SWM
- 3/131 Switch, Audio/cellular Phone
- 3/155 Automatic Transmission Program Selector
- 3/156 Gear Selector Module (GSM)
- 3/171 Switch, Retractable Door Mirrors
- 3/173 Switch, Trunk Lid Private Lock
- 3/174 Switch, Reduced Alarm
- 3/225 Control Unit, Continuous Damping Control (CDC)
- 4/9 Control Module, Supplemental Restraint System
- 4/16 Brake Control Module BCM
- 4/28 Transmission Control Module (TCM)
- 4/31 Fan Control Module
- 4/33 Sunroof Control Module SRM
- 4/46 Engine Control Module ECM
- 4/52 Power Driver Seat Module PSM
- 4/56 Central Electronic Module CEM
- 4/58 Rear Electronic Module REM
- 4/68 Steering Angle Sensor Module SAS
- 4/70 Upper Electronic Module UEM
- 4/71 Cooling Fan Control Module
- 4/76 Remote Control Unit For Garage Door Opener
- 4/78 Accessory Electronic Module AEM
- 4/82 Differential Electronic Module DEM
- 4/86 Parking Assistance Module (PAM)
- 5/1 Combined Instrument Panel DIM
- 6/1 Windshield Wiper Motor
- 6/2 Windshield Washer Pump
- 6/15 Sunroof Motor
- 6/16 Driver Seat Motor, Backrest Angle
- 6/17 Driver Seat Motor, Up/Down Front Edge
- 6/18 Driver Seat Motor, Up/Down Rear Edge
- 6/19 Driver Seat Motor, Forward/Backward
- 6/20 Passenger Seat Motor, Forward/Backward
- 6/25 Starter Motor
- 6/26 Generator
- 6/28 Motor, Passenger Compartment Fan
- 6/29 Motor, Electric Cooling Fan
- 6/30 Washer Pump, Rear Window
- 6/32 Rear Window Wiper Motor
- 6/33 Fuel Pump
- 6/37 Lock Motor, Fuel Filler Flap
- 6/44 Cooling Fan, Electrics Box, Engine Compartment
- 6/48 Damper Motor, Recirculation
- 6/58, 60 Motor, FL & FR Power Window
- 6/62 LH Power Door Mirror
- 6/63 RH Power Door Mirror
- 6/64 Passenger Seat Motor, Backrest Angle
- 6/65 Passenger Seat Motor, Up/down Front Edge
- 6/66 Passenger Seat Motor, Up/down Rear Edge
- 6/69 Damper Motor, Ventilation/floor/defroster
- 6/92-93 Motor, RL & RR Power Window
- 6/95 Damper motor, temperature, LH side
- 6/96 Damper Motor, Temperature, RH Side
- 6/102 Damper Motor, Defroster
- 6/103 Damper Motor, Floor/ventilation
- 6/104 High pressure wash, headlights
- 6/114 Vacuum Pump
- 6/120 Engine Throttle Body
- 7/4 Brake Fluid Level Sensor
- 7/5 Washer Fluid Level Sensor
- 7/6 Oil Pressure Sensor
- 7/8 Pressure Sensor, Climate Control System
- 7/10 Interior Temperature Sensor
- 7/11 Outside Temperature Sensor
- 7/12 Solar Sensor, Indication Alarm and Electronic Immobilizer
- 7/15 Heated Oxygen Sensor
- 7/16 Coolant Temperature Sensor
- 7/17 Mass Airflow Sensor MAF
- 7/25 Impulse Sensor
- 7/31-32 LH & RH Front ABS Sensor
- 7/35 Oil Level Sensor
- 7/41 Temperature Sensor, Evaporator
- 7/51 Accelerator Pedal Sensor
- 7/56-57 LH & RH Rear ABS Sensor
- 7/61 Input Speed Sensor
- 7/62 Output Speed Sensor
- 7/73 Coolant Level Sensor
- 7/74 Oil Temperature Sensor, Automatic Transmission - AW 50
- 7/74 Oil Temperature Sensor, Automatic Transmission - 4T65AWD
- 7/82 Heated Oxygen Sensor, Diagnosis 1
- 7/87-88 Acceleration Sensor, Four-C, Front Left & Right
- 7/89 Acceleration Sensor, Four-C, Rear Left
- 7/91 Steering Angle Sensor
- 7/100 Inclination Sensor Module ISM
- 7/103 Heated Oxygen Sensor 3
- 7/104 Heated Oxygen Sensor 4 (diagnostic probe)
- 7/105 Outside Temperature Sensor, Engine Control Module
- 7/108-109 LH & RH Rear Side Impact Sensor
- 7/110-111 LH & RH Seat Temperature Sensor
- 7/115-116 LH & RH Front Side Impact Sensor
- 7/118-119 Acceleration Sensor, Shock Absorber, Four-C, FL & FR
- 7/120 Rear Left Angle Sensor
- 7/121 Shock Absorber, Four-C, Rear Left
- 7/122 Mass Movement Sensor (MMS), Front
- 7/123 Clutch Pedal Sensor
- 7/124 Brake Pedal Sensor
- 7/129 Brake Pressure Sensor 2
- 7/131-134 Parking Assistance Sensor 1, 2, 3, 4
- 7/139 Brake Pressure Sensor 1
- 7/149 Rain Sensor Module (RSM)
- 7/158 Mass Movement Sensor (MMS), Rear
- 7/159 Air Quality Sensor
- 7/164 Sensor Module DSTC
- 7/165 Pressure and Temperature Sensor, Intake Manifold
- 7/172 Position Sensor, Camshaft, Intake Side
- 7/173 Position Sensor, Camshaft, Exhaust Side
- 7/175 Passenger Seat Weight Sensor
- 7/178-179 RH & LH Front Impact Sensor
- 8/3 Electromagnetic Clutch, Climate Control System
- 8/6-11 Injectors
- 8/17 EGR Valve
- 8/18 EVAP Valve
- 8/20-21 Shock Absorber, Four-C, Front Left and Right
- 8/22-23 Shock Absorber, Four-C, Rear Left and Right
- 8/28 Turbocharger Control Valve
- 8/30 Driver Side Airbag Igniter
- 8/31-32 Passenger Side Airbag, Side Airbag stage 2, Igniter
- 8/33-34 FL & FR Seat Belt Tensioner Igniter
- 8/36 Shift Lock Solenoid
- 8/37 Automatic Transmission - AW 50
- 8/37 Automatic Transmission - 4T65AWD
- 8/38-41 Shift Solenoid 1, 2, Lock-up & Press. Solenoid - AW 50
- 8/38-41 Shift Solenoid 1, 2 Lockup & Press. Solenoid - 4T65AWD
- 8/46 DSTC Activation Module
- 8/51-52 FL & FR Side Airbag Igniter
- 8/55-56 RL & RR Belt Tensioner Igniter
- 8/61 Driver Side Airbag Igniter Step 2
- 8/62 Belt Tensioner Igniter, Center Rear Seat
- 8/64 Solenoid Valve, Engine Mounting
- 8/66-67 LH & RH Inflatable Curtain Igniter
- 8/71-74 Throttle Solenoid, Shift Solenoid 3, 4, 5
- 8/78 Oil Pressure Sensor
- 8/84 Switch, Vacuum Pump
- 8/94-95 LH & RH Belt Tensioner Igniter, Third Row of Seats
- 8/96-97 LH & RH Inflatable Curtain Igniter, Third Row of Seats
- 9/1 Front 12V Outlet
- 9/2 Heated Rear Window
- 9/12-13 Left seat heater, Right seat Warmer
- 9/16-17 LH & RH Backrest Heating Element
- 9/18-19 LH & RH Seat Heating Element
- 9/25 Rear 12V Outlet
- 9/32 PTC Resistor - Air Preheating
- 9/33-34 LH & RH Heated Door Mirror
- 10/1 LH Front Lamp Housing
- 10/2 RH Front Lamp Housing
- 10/3 License Plate Lighting
- 10/5-6 FL & FR Fog Light
- 10/11 Front left Position/parking Lights
- 10/12 Front Right Position/parking lights
- 10/13-14 FL & FR Direction Indicator
- 10/15-16 Direction Indicator, Left & Right Front Fender
- 10/17-18 Lamp Housing, RH & LH Tail Light
- 10/19 Auxiliary Brake Light
- 10/29 Glove Compartment Lighting
- 10/43, 50 RH & LH Brake Light
- 10/44, 51 RH & LH Tail Light Lamp
- 10/46, 53 Fog Light, Right & Left Rear
- 10/47, 54 RR & RL Direction Indicator
- 10/48, 55 RH & LH Reversing Light
- 10/64, 68 RH & LH High Beam
- 10/65, 69 FR FL Auxiliary Light
- 10/66, 70 Right & Left Low Beam/Bi-Xenon
- 10/72 Front Ashtray Lighting
- 10/114-115 LH & RH Vanity Mirror Lighting
- 10/125 LH Front Courtesy Lighting
- 10/126 RH Front Courtesy Lighting
- 10/148-149 LH & RH Rearview Mirror Lighting
- 10/150 Rear Reading Light
- 10/172 Reading Light, Third Row of Seats
- 10/173 Cargo Compartment Lighting, Tailgate
- 11A Main Fuses In Engine Compartment Fuse Box
- 11A-B/no. Fuses In The Engine Compartment
- 11B Fuses In Engine Compartment Fuse Box
- 11C Fuses In Passenger Compartment Fuse Box
- 11C Fuses In The Passenger Compartment
- 11D Fuses In Cargo Compartment Fuse Box
- 11D-E/no. Fuses In The Cargo Compartment
- 11E Main Fuses At Battery
- 15/30 Connecting Rail to 15/31
- 15/31_A1-C6 Engine Compartment Distribution Box
- 16/3-4 RH & LH Front Door Speaker
- 16/5-6 RH & LH Rear Door Speaker
- 16/10 Horn 1
- 16/26 Central Dashboard Speaker
- 16/35 Alarm Siren SCM
- 16/46 RTI & Multimedia Display
- 16/55-56 LH & RH Front Tweeter
- 16/57-58 Speaker, LH & RH D-pillar
- 16/59 Antenna, Remote Control
- 16/60 Phone Module (PHM)
- 16/62 Hand Unit, Cellular Phone
- 16/64 Antenna, Cellular Telephone
- 16/65 Antenna Ring/ignition Switch Lighting
- 16/77 Microphone, Cellular Telephone
- 16/79 Bass Speaker
- 16/93 Control Module, Cellular Telephone Handsfree
- 16/94 Infotainment Control Module (ICM)
- 16/105 Audio module AUD
- 16/106 Control Module, CD Player MP2
- 16/107 Control Module, CD Player MP1
- 16/108 Multimedia Module (MMM)
- 16/110 Antenna Control Module (ATM)
- 16/111-112 Socket, Rear Left & Right Headphones
- 16/126 Holder, Cellular Telephone Handsfree
- 16/127 Microphone, Cellular Telephone Handsfree
- 17/13 Data Link Connector
- 17/17 Jump Start Connection
- 17/19 12V Outlet, Cargo Compartment
- 17/37 4-pin Socket, Towing Bracket Wiring
- 17/38 7-pin Socket, Towing Bracket Wiring
- 17/39 13-pin Socket, Towing Bracket Wiring
- 18/4 Contact Reel
- 20/3-8 Spark Plug And Ignition Coil
- 20/16 Capacitor
- 20/27 Shunt, Low Beam CEM
- 20/28 Shunt, Position/parking Lights/tail Light REM
- 20/29 Shunt, Fog Light REM
- 20/31 Shunt, Brake Light REM
- 20/32 Shunt, Indicator CEM, Left
- 20/33 Shunt, Position/parking Lights/tail Light REM
- 20/34 Shunt, Indicator CEM, Right
- 20/39 Shunt, Cargo Compartment 12V Outlet
- 26/4 Converter, Towbar Wiring
- 31/1-102 Ground Connection
- 53/### Junction Points
- 54/1-124 Connectors
- How to Use the Wiring Diagrams
- List of Components By Component Number
- Wire Color Code Identification and Other Abbreviations
- Relays, General
- Diagnostic Aids
- Electrical Diagrams