Relays and Fuses
Main fuse box in luggage compartment, left β Main Fuses
| Number | Ref. in wiring diagram | Amps | Function/Component | Terminal |
| 1 | S204 β Fuse -1- (30) | 100 | A18 β Windshield Heating Voltage Converter | 30 |
| 2 | S205 β Fuse -2- (30) | 150 | TV28- Wire junction 3 for terminal 30,
Thermofuses: SE1, SE2, SE3, SE4, SE5, SE6, SE7 Fuses: SB5, SB7 to SB18, SB27 to SB36, SD11, SD23, SD24, SD26, J329- Voltage Supply Terminal 15 (B+) Relay J680- Power Supply Relay 1 (terminal 75) |
30 |
| 3 | S206 β Fuse -3- (30) | 300 | Fuses: SC3, SC6, SC8 to SC16, SC23 to SC27, SC41 to SC47
C β Generator (GEN) |
30 |
| 4 | S207 β Fuse -4- (30) | β | Open | 30 |
Β
Fuse box under instrument panel, left β Fuses βSBβ
| Number | Ref. in wiring diagram | Amps | Function/Component | Terminal |
| 1 | SB1 β Fuse 1 (in fuse holder) | 10 | Terminal 30 for J582 β Wiper Park Position Heating Relay
Z 20 β Left Washer Nozzle Heater Z 21 β Right Washer Nozzle Heater |
75a |
| 2 | SB2 β Fuse 2 (in fuse holder) | 20 | J386 β Door control module, driver side
J657 β Door Closing Control Module J388 β Door control module, rear, left |
30 |
| 15* | ||||
| 3 | SB3 β Fuse 3 (in fuse holder) | 20 | J387 β Door control module, passenger side
J657 β Door Closing Control Module J389 β Door control module, rear, right |
30 |
| 15* | ||||
| 4 | SB4 β Fuse 4 (in fuse holder) | 20 | SC18 -Fuse 18 (in fuse holder)
SC19 -Fuse 19 (in fuse holder) SC20 -Fuse 20 (in fuse holder) |
15a |
| 5 | SB5 β Fuse 5 (in fuse holder) | 5 | J528 β Roof Electronics Control Module | 30 |
| 6 | Open | β | β | β |
| 7 | Open | 15 | β | 30 |
| 8 | SB 8 β Fuse 8 (in fuse holder) | 25 | J104 β ABS Control Module (w/EDL)
J106 β ABS Solenoid Valve Relay |
30 |
| 9 | Open | 5 | β | β |
| 10 | SB10 β Fuse 10 (in fuse holder) | 15 | J519 β Vehicle Electrical System Control Module
M5 β Left Front Turn Signal Light M1 β Left Parking Light |
30 |
| 11 | SB11 β Fuse 11 (in fuse holder) | 15 | J519 β Vehicle Electrical System Control Module
M7 β Right Front Turn Signal Light M3 β Right Parking Light |
30 |
| 12 | SB12 β Fuse 12 (in fuse holder) | 15 | J519 β Vehicle Electrical System Control Module
J567 β Left Headlight Range Control Module M29 β Left Low Beam Headlight J683 β Left HID Lamp High Beam Control Module M30 β Left High Beam Headlight |
30 |
| 13 | SB13 β Fuse 13 (in fuse holder) | 15 | J519 β Vehicle Electrical System Control Module
J568 β Right Headlight Range Control Module M31 β Right Low Beam Headlight J684 β Right HID Lamp Hight Beam Control Module M32 β Right High Beam Headlight |
30 |
| 14 | SB14 β Fuse 14 (in fuse holder) | 20 | J519 β Vehicle Electrical System Control Module
H1 β Signal horn/dual tone horn |
30 |
| 15 | SB15 β Fuse 15 (in fuse holder) | 15 | F β Brake Light Switch
J605 β Rear Lid Control Module Jβ¦- Engine Control Modlue (ECM) J345 β Control Module for towing sensor J104 β ABS Control Module (w/EDL) |
30 |
| 16 | SB16 β Fuse 16 (in fuse holder) | 20 | J162 β Heater Control Module | 30 |
| 17 | SB17 β Fuse 17 (in fuse holder) | 10 | J523 β Front Information Display Control Head Control Module
R 24 β Antenna Amplifier |
30a |
| 18 | SB18 β Fuse 18 (in fuse holder) | 10 | J527 β Steering Column Electronic Systems Control Module | 30a |
| 19 | SB19 β Fuse 19 (in fuse holder) | 10 | J518 β Access/Start Control Module | 30a |
| 20 | Open | β | β | β |
| 21 | Open | β | β | β |
| 22 | SB22 β Fuse 22 (in fuse holder) | 5 | J623 β Engine Control Module (ECM) (engine code BAP)
J623 β Engine Control Module (ECM) 2 (engine code BAP) J220 β Motronic Engine Control Module (ECM) (engine code BGJ) |
30a |
| 23 | SB23 β Fuse 23 (in fuse holder) | 5 | J285 β Control module with indicator unit in instrument panel insert | 30a |
| 24 | Open | β | β | β |
| 25 | Open | β | β | β |
| 26 | Open | β | β | β |
| 27 | SB27 β Fuse 27 (in fuse holder) | 5 | J285 β Control module with indicator unit in instrument panel insert Data Link Connector (DLC)
J669 β Seat Belt Tensioner Relay |
30a |
| 28 | SB28 β Fuse 28 (in fuse holder) | 5 | J526 β Telephone/Telematic Control Module | 30a |
| 29 | SB29 β Fuse 29 (in fuse holder) | 5 | R149 -Auxiliary Water Heating RF Receiver (where applicable) | 30a |
| 30 | SB30 β Fuse 30 (in fuse holder) | 10 | J255 β Climatronic Control Module
V 50 β Coolant Pump N175 -Left Heat Regulating Valve N176 β Right Heat Regulating Valve |
30a |
| 31 | SB31 β Fuse 31 (in fuse holder) | 5 | Y β Analog Clock/Control Module
J524 β Rear Information Display Control Head |
30a |
| 32 | Open | β | β | β |
| 33 | SB33 β Fuse 33 (in fuse holder) | J17 β Fuel Pump (FP) Relay
J271- Motronic Engine Control Module (ECM) Power Supply Relay J670- Motronic Engine Control Module (ECM) Power Supply Relay 2 J581- Parallel Battery Connection Relay (where applicable) J49 β Fuel Pump (FP) 2 Relay J220- Motronic Engine Control Module (ECM) (engine code BGJ) |
Β 30 | |
| 34 | SC34 β Fuse 34 (in fuse holder) | Β 20 | G6 β Fuel Pump (FP) | 30 |
| 35 | SC35 β Fuse 35 (in fuse holder) | 20 | G23 β Transfer Fuel Pump (FP) | 30 |
| 36 | SC36 β Fuse 36 (in fuse holder) | 30 | Terminal 30 for J681 β Power Supply Relay 2 (terminal 15)
Fuses: SB52, SB53, SB54, SB55, SB56, SB57 |
30 |
| 37 | Open | β | β | β |
| 38 | Open | β | β | β |
| 39 | Open | β | β | |
| 40 | Open | β | β | β |
| 41 | SC41 β Fuse 41 (in fuse holder) | 5 | G384- Vehicle Inclination Sensor | 30 |
| 42 | SC42 β Fuse 42 (in fuse holder) | 5 | J393- Central control module for comfort system | 30 |
| 15* | ||||
| 43 | SC43 β Fuse 43 (in fuse holder) | 30 | J605- Rear Lid Control Module | 30 |
| 44 | SC44 β Fuse 44 (in fuse holder) | 10 | J197- Level Control System Control Module | 30 |
| 45 | SC45 β Fuse 45 (in fuse holder) | 5 | J697- License Plate Light Control Module
L153- Rear Illumination Lamp |
30 |
| 46 | Open | β | β | β |
Β
Electronics box in right plenum chamber β Relays
| Relay | Description |
| 1 | Open |
| 2 | C24 β Supressor |
| 3 | J682- Power Supply Relay (terminal 50) |
| 4 | J271 β Motronic Engine Control Module (ECM) Power Supply Relay (167) |
| 5 | J670 β Motronic Engine Control Module (ECM) Power Supply Relay 2 (100) (engine code BAP) |
| 5 | Open |
| 6 | J680 β Power Supply Relay 1 (terminal 75) (100) |
| 7 | J299 β Secondary Air Injection (AIR) Pump Relay (100) |
| 7 | Open |
| 8 | J329 β Voltage Supply Terminal 15 (B+) Relay (433) (where applicable) |
| 9 | J545 β Secondary Air Injection (AIR) Pump Relay 2 (100) (engine code BAP) |
| 9 | Open |
| 10 | Open |
| 10 | Open |
Β
Electronics box in right plenum chamber β Fuses βSDβ
| Number | Ref. in Wiring Diagram | Amps | Function/Component | Terminal |
| 1 | SD1 β Fuse 1 (in fuse holder) | 10 | Nβ¦ β Fuel Injectors for cylinders 1 β 6 (engine code BAP) | 87a |
| 2 | SD2 β Fuse 2 (in fuse holder) | 10 | Nβ¦ β Fuel Injectors for cylinders 7 β 12 (engine code BAP) | 87a |
| 3 | Open | 30 | Open | 30 |
| 4 | Open | 30 | Open | 30 |
| 5 | SD5 β Fuse 5 (in fuse holder) | 5 | G70 β Mass Air Flow (MAF) Sensor (engine code BAP)
G246- Mass Air Flow (MAF) Sensor 2 (engine code BAP) G42 β Intake Air Temperature (IAT) Sensor (engine code BAP) G299- Intake Air Temperature (IAT) Sensor 2 (engine code BAP) |
87a |
| 6 | SD6 β Fuse 6 (in fuse holder) | 10 | J496- Auxiliary Engine Coolant (EC) Pump Relay (engine code BAP)
V51 β After-Run Coolant Pump (engine code BAP) J299- Secondary Air Injection (AIR) Pump Relay J545- Secondary Air Injection (AIR) Pump Relay 2 (code BAP) J49 β Fuel Pump (FP) 2 Relay (engine code BAP) V36 β Coolant Pump (engine code BGJ) J151- Coolant Circulation Pump Relay (engine code BGJ) |
87a |
| 7 | SD7 β Fuse 7 (in fuse holder) | 20 | F265- Map Controlled Engine Cooling Thermostat (en-code BAP)
N80 β Evaporative Emission (EVAP) Canister Purge Regulator Valve N112- Secondary Air Injection (AIR) Solenoid Valve N145- Right Electro-Hydraulic Engine Mount Solenoid Valve (code BAP) N156- Intake Manifold Change-Over Valve (engine code BGJ) N205- Valve -1- for camshaft adjustment N208- Valve -2- for camshaft adjustment N261- Intake Manifold Tuning (IMT) Valve -2- (engine code BGJ) N318- Camshaft Adjustment Valve 1 (exhaust) (engine code BAP) N319- Camshaft Adjustment Valve 2 (exhaust) (engine code BAP) N320- Secondary Air Injection (AIR) Solenoid Valve 2 (en-code BAP) N333- Evaporative Emission (EVAP) Canister Purge Regulator Valve 2 (engine code BAP) |
87a |
| 8 | SD8 β Fuse 8 (in fuse holder) | 30 | Nβ¦ β Ignition Coils with Power Output Stage for cylinders 1 β 8 (engine code BGJ) | 87a |
| 9 | SD9 β Fuse 9 (in fuse holder) | 20 | Nβ¦ β Fuel Injectors for cylinders 1 β 8 (engine code BGJ) | 87a |
| 10 | SD10 β Fuse 10 (in fuse holder) | 10 | J623- Engine Control Module (ECM) (engine code BAP)
J624- Engine Control Module (ECM) 2 (engine code BAP) J220 β Motronic Engine Control Module (ECM) (engine code BGJ) |
87a |
| 11 | SD11 β Fuse 11 (in fuse holder | 15 | J39 β Relay for headlamp cleaning system | 30a |
| 12 | SD12 β Fuse 12 (in fuse holder) | 10 | J293- Coolant FC (Fan Control( (FC)) Control Module
V7 β Coollant Fan J671- Coolant FC (Fan Control) Control Module 2 V177- Coolant Fan 2 |
87a |
| 13 | SD13 β Fuse 13 (in fuse holder) | 25 | Z19 β Oxygen Sensor (O2S) Heater (engine code BAP)
Z28 β Oxygen Sensor (O2S) 2 Heater 2 (engine code BAP) Z29 β Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) (engine code BAP) Z30 β Oxygen Sensor (O2S) Heater 2 (behind Three Way Catalytic Converter (TWC)) (engine code BAP) |
87a |
| 14 | SD14 β Fuse 14 (in fuse holder) | 25 | Z19 β Oxygen Sensor (O2S) Heater (engine code BGJ)
Z28 β Oxygen Sensor (O2S) 2 Heater 2 (engine code BGJ) Z29 β Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) (engine code BGJ) Z30 β Oxygen Sensor (O2S) Heater 2 (behind Three Way Catalytic Converter (TWC)) (engine code BGJ) Z 62 β Oxygen Sensor (O2S) Heater 3 (engine code BAP) Z 63 β Oxygen Sensor (O2S) Heater 4 (engine code BAP) Z 64 β Oxygen Sensor (02S) Heater 3 (behind Three Way Catalytic Converter (TWC)) (engine code BAP) Z 65 β Oxygen Sensor (02S) Heater 4 (behind Three Way Catalytic Converter (TWC)) (engine code BAP) |
87a |
| 15 | SD15 β Fuse 15 (in fuse holder) | 15 | J217- Transmission Control Module (TCM) | 30a |
| 16 | SD16 β Fuse 16 (in fuse holder) | 10 | J539- Brake Booster Control Module | 30a |
| 17 | SD17 β Fuse 17 (in fuse holder) | 5 | J309 β Solar Cell Separation Relay | 30a |
| 18 | SD18 β Fuse 18 (in fuse holder) | 15 | J519 β Vehicle Electrical System Control Module
V248 β Left Headlight Washer Jet Motor V249 β Right Headlight Washer Jet Motor |
30a |
| 19 | SD19 β Fuse 19 (in fuse holder) | 20 | J400 β Control module for wiper motor
V216 β Left Windshield Wiper Motor V59 β Windshield and Rear Window Washer Pump |
30a |
| 20 | SD20 β Fuse 20 (in fuse holder) | 20 | J584 β Right Windshield Wiper Motor Control Module
V217 β Right Windshield Wiper Motor |
30a |
| 21 | SD21 β Fuse 21 (in fuse holder) | 60 | Vehicles with single battery system only:
SB19 -Fuse 19 (in fuse holder) SB20 -Fuse 20 (in fuse holder) SB22 -Fuse 22 (in fuse holder) SB23 -Fuse 23 (in fuse holder) Terminal 30 for J271 β Motronic Engine Control Module (ECM) Power Supply Relay |
30 |
| 22 | SD22 β Fuse 22 (in fuse holder) | 40 | SD1 β Fuse 1 (in fuse holder) (engine code BAP)
Nβ¦ β Ignition Coils with Power Output Stage for cylinders 1 β 6 (engine code BAP |
87a |
| 23 | SD23 β Fuse 23 (in fuse holder) | 40 | Terminal 30 fΓΌr J680 β Power Supply Relay 1 (terminal 75)
SB1 β Fuse 1 (in fuse holder) SB40 -Fuse 40 (in fuse holder) |
30 |
| 24 | SD24 β Fuse 24 (in fuse holder) | 40 | J104 β ABS Control Module (w/EDL) | 30a |
| 25 | SD25 β Fuse 25 (in fuse holder) | 40 | SD2 β Fuse 2 (in fuse holder) (engine code BAP)
Nβ¦ β Ignition Coils with Power Output Stage for cylinders 7 β 12 (engine code BAP) |
87a |
| 26 | SD26 β Fuse 26 (in fuse holder) | 40 | Terminal 30 for J329 β Voltage Supply Terminal 15 (B+) Relay | 30a |
| 27 | SD27 β Fuse 27 (in fuse holder) | 50 | J293 β Coolant FC (Fan Control( (FC)) Control Module (left) | 30a |
| 28 | SD28 β Fuse 28 (in fuse holder) | 50 | J671- Coolant FC (Fan Control) Control Module 2 (right) | 30a |
| 29 | SD29 β Fuse 29 (in fuse holder) | 50 | V101- Secondary Air Injection (AIR) Pump Motor | 30a |
| 30 | SD30 β Fuse 30 (in fuse holder) | 30 | V189- Secondary Air Injection (AIR) Pump Motor 2 (engine code BAP) | 30a |
| 31 | SD31 β Fuse 31 (in fuse holder | 40 | V2 β Fresh Air BLower
J255- Climatronic Control Module Terminal 87 for J309 β Solar Cell Separation Relay |
30a |
Β
Thermofuse box in left front footwel β Thermofuses
| No. | Ref. in wiring diagram | Amps | Function/component | Terminal |
| 1 | SE1 β Thermofuse 1 (on fuse holder) | 30 | J386- Door control module, driver side
J388- Door control module, rear, left |
30 |
| 2 | SE2 β Thermofuse 2 (on fuse holder | 30 | J387- Door control module, passenger side
J389- Door control module, rear, right |
30 |
| 3 | SE3 β Thermofuse 3 (on fuse holder) | 30 | J136- Memory Seat/Steering Column Adjustment Control Module | 30 |
| 4 | SE4 β Thermofuse 4 (on fuse holder) | 30 | J521- Passenger Memory Seat Control Module | 30 |
| 5 | SE5 β Thermofuse 5 (on fuse holder) | 30 | J522- Rear Memory Seat Control Module | 30 |
| 6 | SE6 β Thermofuse 6 (on fuse holder) | 30 | Z42 β Left Rear Footwell Heater | 30 |
| 7 | SE7 β Thermofuse 7 (on fuse holder) | 30 | Z43 β Right Rear Footwell Heater | 30 |
| 8 | Open | β | β | β |
| 9 | Open | β | β | β |
| 10 | Open | β | β | β |
Β
Relay panel in right front footwell β Relays
| Relay | Description |
| 1a | J496 β Auxiliary Engine Coolant (EC) Pump Relay (404) |
| 2b | Open |
| 2a | Open |
| 2b | Open |
| 3a | J582 β Wiper Park Position Heating Relay (404) |
| 3b | J709 β Seat Heater Authorization Relay (404) |
| 4 | J309 β Solar Cell Separation Relay (79) |
| 5 | J681 β Power Supply Relay 2 (terminal 15) (100) |
| 6 | J39 β Relay for headlamp cleaning system (53) |
| 7 | J236 β Servotronic Control Module (631) |
| 7 | Open |
| 8 | J669 β Seat Belt Tensioner Relay |
Β
WARNING:Β Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.