System Diagram
Wiring Diagram
Component Location
Component I.D. List
1/1 Battery
2/1 Main headlight relay with bulb failure warning sensor
2/2 Fog light relay
2/3 Regulator, DIM-DIP
2/4 Windshield wiper intermittent relay
2/5 Seat belt reminder/key warning relay
2/7 Central locking/delayed inner lighting relay
2/11 Engine cooling fan relay
2/15 Relay, exhaust temperature sensor
2/16 Tailgate wiper intermittent relay
2/22 A/C relay
2/23 Fuel pump relay
2/24 Blower fan relay, max.
2/28 Alarm relay
2/30 Overload relay X+
2/31 Overload relay 15+
2/32 Main relay, fuel system
2/43 Heated rear seat relay
2/44 Relay, heated rear window/door mirrors
2/47 Relay, deadlock setting
2/53 Relay, secondary air pump
2/60 Overload relay X+
2/105 Driver door, 2-stage central locking relay
3/1 Ignition switch
3/2 Light switch
3/3 Switch, turn signal/high and low beam
3/4 Controls, cruise control
3/6 Switch, hazard lights with flasher relay
3/7 Switch, front fog lights
3/8 Switch, heated rear window/door mirrors
3/9 Stop (brake) light switch
3/10 Back-up (reversing) light switch
3/12 Switch, windshield wipers and washer
3/13 Switch, tailgate wiper and washer
3/25 Switch, power sunroof
3/37 Horn connectors
3/38 Contact, brake pedal
3/39 Contact, clutch pedal
3/47 Handbrake contact
3/54 REC / A/C switch
3/55 A/C panel lights
3/56 Blower fan switch
3/57 Climate control
3/58 Switch, rear fog light
3/59 Beam length control
3/61 Controls, trip computer
3/62 Alarm switch, bonnet
3/63 Program selector, automatic transmission
3/64 Switch, heated rear seat, left side
3/69 Switch, heated rear seat, right side
3/71 Transmission range sensor
3/72 Kick-down switch, throttle control
3/74 Lock module, front left
3/75 Lock module, front right
3/76 Lock module, rear left
3/77 Lock module, rear right
3/78 Lock module, trunk/tailgate
3/85 Power window switch, left rear door
3/86 Power window switch, right rear door
3/87 Switch, left power door mirror
3/88 Switch, right power door mirror
3/89 Control module, left front seat
3/91 Switch, heated front seat, left
3/92 Switch, heated front seat, right
3/93 Seat belt lock, left front seat
3/94 Seat belt lock, right front seat
3/95 Switch, TRACS
3/97 Switch, power windows with auto-down relay
3/98 Switch, central locking
4/3 Control module, cruise control
4/4 Rheostat
4/5 Safety circuit SRS
4/9 SRS sensor unit
4/10 Control module, EZK (DI) ignition system
4/15 DI power stage and ignition coil
4/16 ABS control module
4/19 Remote control module, central locking/ anti-theft alarm
4/22 Electronic immobilizer
4/28 Control module, AW 50-42 automatic transmission
4/29 Control module, left front seat
4/30 Control module, ECC
4/31 Power module, blower fan
4/33 Control module, power sunroof
4/34 Voltage regulator, 8 volts
4/35 Voltage regulator, 5 volts
4/36 Combined instrument panel microprocessor
4/37 Control module, right front seat
4/44 DI power stage and ignition coil
4/45 Control module, LH-Jetronic 3.2 MFI
4/46 Engine control module
5/1 Combined instrument panel
5/2 Clock module
5/3 Outside temperature/clock module
5/4 Trip computer
6/1 Windshield wiper motor
6/2 Washer motor, front
6/3 Right headlight washer motor
6/4 Left headlight washer motor
6/15 Power sunroof motor
6/24 Cruise control vacuum pump
6/25 Starter motor
6/26 Generator
6/28 Blower fan
6/29 Engine cooling fan
6/30 Tailgate washer motor
6/31 Fuel pump
6/32 Tailgate wiper motor
6/33 Fuel level sensor
6/34 Power antenna
6/35 Parking heater
6/37 Central locking motor, tank cap
6/38 Beam length control, left actuator
6/39 Beam length control, right actuator
6/45 Servo motor, temperature shutter, driver side
6/46 Servo motor, temperature shutter, passenger side
6/47 Servo motor, floor and defroster shutters
6/48 Servo motor, recirculation shutter
6/49 Servo motor, ventilation shutter
6/50 Motor, left seat backrest
6/51 Motor, up/down front edge of left seat
6/52 Motor, up/down rear edge of left seat
6/53 Motor, forwards/backwards left seat
6/54 Secondary air pump
6/58 Power window motor, left front door
6/59 Power window motor, left rear door
6/60 Power window motor, right front door
6/61 Power window motor, right rear door
6/62 Left power door mirror
6/63 Right power door mirror
7/1 Bulb failure warning sensor, rear
7/4 Brake fluid level sensor
7/5 Washer fluid level sensor
7/6 Oil pressure sensor
7/8 A/C pressure sensor
7/11 Outside temperature sensor, ECC
7/12 Solar sensor ECC/indication LED
7/15 Heated oxygen sensor (HO2S), front
7/16 Engine coolant temperature sensor
7/17 Mass air flow (MAF) sensor
7/21 Camshaft position sensor
7/22 Tachometer
7/23 Knock sensor (KS), rear
7/24 Knock sensor (KS), front
7/25 Pulse sensor
7/31 ABS sensor, front left
7/32 ABS sensor, front right
7/33 Speedometer
7/34 Thermoelement catalytic converter
7/37 Temperature sensor, EGR
7/39 Antenna ring
7/43 Thermostat, left front seat
7/44 Thermostat, right front seat
7/47 PTC resistor, pre-heater
7/53 Pressostat A/C
7/54 Throttle position (TP) sensor
7/56 ABS sensor, rear left
7/57 ABS sensor, rear right
7/58 EBD pressure sensor
7/59 Temperature sensor, left duct
7/60 Temperature sensor, right duct
7/64 In-car temperature sensor, driver side
7/65 In-car temperature sensor, passenger side
7/66 Thermostat, rear seat, left side
7/67 Thermostat, rear seat, right side
7/69 Outside temperature sensor, trip computer
7/73 Coolant level sensor
7/74 Oil temperature sensor, automatic transmission
7/77 Temperature sensor, intake air
7/79 Accelerometer
7/81 Pressure sensor, intake manifold
7/82 Heated oxygen sensor (HO2S), rear
7/83 High-pressure sensor NC
7/84 Tank pressure sensor
7/100 Tilt sensor
7/101 Breaking glass sensor
8/3 Solenoid switch A/C
8/5 IAC idling valve
8/6-10 Injectors
8/17 EGR converter
8/18 EVAP valve
8/28 Turbo control valve
8/30 Steering wheel module SRS
8/31 SRS passenger module
8/33 Igniter, left seat belt tensioner
8/34 Igniter, right seat belt tensioner
8/36 Solenoid, P-shift lock
8/37 Solenoids, automatic transmission
8/43 Solenoid, aux. air intake
8/44 Canister valve
8/45 Solenoid, variable intake manifold
9/1 Cigar lighter
9/2 Heated rear window
9/3 Backrest heater pad, left front seat
9/4 Backrest heater pad, right front seat
9/5 Seat heater pad, left front seat
9/6 Seat heater pad, right front seat
9/8 Seat heater pad, left rear seat
9/9 Backrest heater pad, left rear seat
9/10 Seat heater pad, right rear seat
9/11 Backrest heater pad, right rear seat
10/1 Left front light
10/2 Right front light
10/5 Left front fog light assy.
10/6 Right front fog light assy.
10/9 Left parking light and turn signal, front
10/10 Right parking light and turn signal, front
10/11 Left parking light, front
10/12 Right parking light, front
10/13 Left turn signal, front
10/14 Right turn signal, front
10/15 Left side flasher light
10/16 Right side flasher light
10/17 Right tail light
10/18 Left tail light
10/19 High-level stop (brake) light
10/20 License plate lighting
10/22 Courtesy light
10/24 Trunk lighting
10/26 Reading light, rear left
10/27 Reading light, rear right
10/29 Glove compartment lighting
10/30 Open-door warning lamp, front left
10/31 Open-door warning lamp, front right
10/32 Open-door warning lamp, rear left
10/33 Open-door warning lamp, rear right
10/37 Cigar lighter lighting
10/38 Ashtray lighting rear
10/40 Gear selection lighting
10/43 Right stop (brake) light
10/44 Right parking light, rear
10/45 Right parking/tail light
10/46 Right rear fog light
10/47 Lamp, right turn signal, rear
10/48 Right back-up (reversing) light
10/50 Left stop (brake) light
10/51 Left parking light, rear
10/52 Left parking/tail light
10/53 Left rear fog light
10/54 Lamp, left turn signal, rear
10/55 Left back-up (reversing) light
10/64 Right high beam
10/66 Right low beam
10/68 Left high beam
10/70 Left low beam
10/72 Ashtray lighting front
10/74 Warning lamp, exhaust temperature
10/77 Warning lamp, SRS
10/79 Warning lamp, winter program low gear selection (automatic transmission)
10/82 Warning lamp, ABS
10/83 Warning lamp, handbrake
10/84 Brake warning lamp
10/85 Warning lamp, high beam
10/86 Warning lamp, oil pressure
10/87 Warning lamp, charging
10/88 Warning lamp, bulb failure warning sensor
10/89 Warning light, rear fog lights
10/90 Warning light, washer fluid level
10/91 Service warning
10/94 Indicator lamp, right turn signal
10/95 Indicator lamp, left turn signal
10/96 Instrument lighting
10/97 Entry lighting, driver side
10/102 Entry lighting, passenger side
10/105 Warning lamp, fuel level
10/106 Warning lamp, Check engine
10/107 Warning lamp, TRACS
10/108 High-level stop (brake) light, spoiler
10/109 Warning lamp, trailer
10/110 Warning lamp, coolant level
10/113 Alarm warning LED
10/114 Vanity mirror lighting, left side
10/115 Vanity mirror lighting, right side
10/301 Alarm warning LED
11/1-40 Fuses
15/2 30-rail in central electrical unit
15/4 15I-rail in central electrical unit
15/8 X-rail in central electrical unit
16/1 Radio
16/2 Amplifier
16/3 Loudspeaker, right front door
16/4 Loudspeaker, left front door
16/5 Loudspeaker, right rear door
16/6 Loudspeaker, left rear door
16/7 Loudspeaker, instrument panel, right side
16/8 Loudspeaker, instrument panel, left side
16/9 Antenna
16/10 Horn1
16/11 Horn2
16/15 CD changer
16/16 Antenna amplifier
16/17 Loudspeaker, rear shelf/D-pillar left side
16/18 Loudspeaker, rear shelf/D-pillar right side
16/19 Alarm horn
16/35 Alarm siren
17/1 Service socket for starter motor
17/13 On-board diagnostics socket
18/4 Contact reel, steering wheel, SRS
19/1 Engine temperature sensor
19/2 Tachometer
19/3 Speedometer
19/5 Fuel gauge
19/6 Exciter, tachometer
19/7 Exciter, speedometer, engine temperature gauge fuel gauge
20/2 Distributor
20/3-7 Spark plugs
20/11 Ballast resistor
20/18 Resistor, blower fan
23/0-601 Branching points
24/1 Connector
Instrument panel harness - firewall harness
24/2 Connector
Engine compartment harness - firewall harness
24/3 Connector
Firewall harness - left door sill harness
24/4 Connector
Firewall harness - right door sill harness
24/5 Connector, 24-pin
Firewall harness - left front door harness
24/6 Connector, 24-pin
Firewall harness - right front door harness
24/7 Connector, 14-pin Firewall harness - tunnel harness
24/9 Connector, 4-pin Firewall harness - roof harness
24/10 Connector, 2-pin Firewall harness - blower fan harness/climate unit
24/11 Connector, 10-pin
Firewall harness - climate unit harness
24/12 Connector, 4-pin
Firewall harness - blower fan harness/climate unit
24/13 Connector
Engine compartment harness - instrument panel harness
24/14 Connector
Engine compartment harness - left door sill harness
24/15 Connector, 14-pin
Engine compartment harness - engine harness
24/17 Connector, 11-pin
Left door sill harness - left rear door harness
24/18 Connector, 11-pin
Right door sill harness - right rear door harness
24/19 Connector, 4-pin
Right door sill harness - rear wheel sensor harness
24/20 Connector, 4-pin
Firewall harness - power sunroof harness
24/21 Connector, 6-pin
Left door sill harness - left front seat
24/22 Connector, 6-pin
Right door sill harness - right front seat
24/25 Connector, 14-pin
Left door sill harness - tailgate harness
24/33 Connector, 2-pin
Firewall harness - passenger module harness
24/35 Connector 8-pin, accessories
24/37 Connector, 6-pin
Firewall harness - switch harness heated rear seat
24/53 Connector, engine harness - automatic transmission
24/65 Connector, 2-pin at left A-pillar
24/66 Connector, 2-pin at right A-pillar
31/4 Ground point, engine (ground point, battery - engine)
31/7 Ground point, A-pillar driver side
31/11 Ground point, trunk, left side
31/12 Ground point, trunk, right side
31/15 Ground point, A-pillar passenger side
31/32 Ground point, on engine (power ground)
31/33 Ground point, on engine (signal ground)
31/44 Ground point, engine compartment (ground point, battery - body)
31/47 Ground point, left cross member
31/48 Ground point, right cross member
31/50 Ground point, central electrical unit, power ground
31/51 Ground point, central electrical unit, signal ground
31/52 Ground point, DI power stage and ignition coil
31/55 Ground point, engine cooling fan
31/65 Ground point, steering column
34/13 Front fog lights, bridge
C/BA Connector, 2-pin, fuel pump
C/BB Connector, 2-pin, fuel level sensor
C/BC Connector, 4-pin, power antenna/antenna amplifier
C/BD Connector, 3-pin, tank pressure sensor
C/CE Connector, 2-pin, heated front seat, left
C/CF Connector, 2-pin, heated front seat, left
C/CG Connector, 2-pin, heated front seat, right
C/CH Connector, 2-pin, heated front seat, right
C/CJ Connector, 6-pin, cruise control
C/CK Connector, 14-pin, power windows
C/CL Connector, 6-pin, tailgate wash/wipe
C/CM Connector, 2-pin, heated rear seat,
left side
C/CN Connector, 2-pin, heated rear seat, left side
C/CP Connector, 2-pin, heated rear seat, right side
C/CQ Connector, 2-pin, heated rear seat, right side
C/CR Connector, 14-pin, audio
C/CS Connector, 10-pin, audio
C/CT Connector, 2-pin, alarm warning LED
C/CU Connector, 4-pin, alarm sensor
C/EA Connector, 1-pin, engine cooling fan
C/EB Connector, 4-pin, high pressure sensor, A/C
C/EC Connector, 1-pin, solenoid switch A/C
C/EG Connector, 2-pin, engine coolant temperature sensor
C/EH Connector, 3-pin, camshaft position sensor (CM P)
C/EJ Connector, 2-pin, pulse sensor
C/EK Connector, 2-pin, windshield wiper motor
C/EL Connector, 3-pin, windshield wiper motor
C/EM Connector, 2-pin, at tunnel
C/EN Connector, 2-pin, EGR temperature sensor
C/EP Connector, 4-pin, heated oxygen sensor (HO2S), front
C/EQ Connector, 4-pin, heated oxygen sensor (HO2S), rear
K/1 Relay, auto-down power window