Mercedes-Benz C-Class w202 (1993-2001) – fuse box diagram
Year of manufacture: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001.
Lighter fuse (electrical outlet) in Mercedes C-Class w202 (1993-2001). Is fuse 2 in the fuse box in the engine compartment.
Main fuse box in the engine compartment (until 30.11.94)
Number | Amps [A] | Description |
1 | 7,5 | Dip beam on the right |
2 | 15 | Front Lighter With ashtray light;
Glove box light with switch; Radio (until 09/93). |
3 | 10 | Seat belt alert control module (USA);
Automatic heating button control module; Automatic air conditioning (AC) pushbutton control module; Air conditioning (tempomatic) control button; Time limit relay for use of residual heat from the motor; Radio; Seat belt control and vehicle speed warning module. |
4 | 15 | Emergency lights with trailer;
Instrument cluster; Timer; Warning buzzer; Cab roof sign. |
5 | 20 | Safety belt and vehicle speed warning control module;
Radio; Automatic button module heater; Automatic climate control (AC); Air conditioning button control module (thematic); Residual heat utilization motor relay thermo control module button; Horn. |
6 | 7,5 | Direction indicators with trailer |
7 | 7,5 | Dipping beam on the left |
8 | 7,5 | Rear window defroster switch |
9 | 7,5 | Lighter Lighting;
License plate illumination; Instrument cluster, instrument lighting. |
10 | – | Reservation |
11 | 7,5 | Auxiliary fan relay, 1st and 2nd stage (K9);
Air conditioning (automatic) / air conditioning (thematic); Control knob for automatic climate control (AC); Air conditioning control module (thematic); Push-button control module. |
12 | 10 | Stop light switch;
Trailer stop light; Brake signal for ABS; Brake signal for ASR; Brake signal for ASD; Brake signal for cruise control; Cruise control module; Instrument cluster, lamp failure indicator light; Outdoor lamp failure monitoring module. |
13 | 30 | Auxiliary fan relay, first and second phase |
14 | 30 | Recirculation unit for heating systems:
Fan motor; Fan regulator. |
15 | 30 | Combination switch:
Flickering of the headlights; Headlight cleaning system; Windshield washer pump; Windshield wiper motor; Combination Relay. |
16 | 30 | Combined Relay:
Rear window defrost control |
17 | 40 | Air injection relay, engine 104 HFM-SFI |
18 | 7,5 | Through the external light fault monitoring module:
Left parking light/tail light; Front left marker light; Left rear marker light; Rear trailer light. |
19 | 7,5 | Traffic Light Right |
20 | 10 | Electric switch of the rear window shutter;
Radio; Control module for heated front seat (HS). |
21 | 20 | Automatic antenna |
7,5 | Radio | |
22 | 10 | Fog light right and left |
23 | 15 | Overvoltage protection relay;
Relay to disable the kick-out function; Data link connector; Clutch pedal switch, idle speed control; Blowdown control valve; Preheat timer relay; Engine speed mixture preparation control module; Cruise speed control switch; Camshaft adjuster; Intake manifold heater relay; Tank breather valve; Variable resonance inlet manifold switching valve. |
24 | 10 | Headlight cleaning system;
Via the external headlight fault monitoring module: Right parking light, rear light; Front right marker light; Right rear marker light; Rear trailer light. |
25 | 7,5 | Traffic light on the left
High beam indicator light |
26 | 7,5 | Telephone transmitter/receiver;
Hand relay; Convenient control module; SRS fault indicator light. |
27 | 7,5 | Left front door entry/exit lamp;
Right front door entry/exit lamp; Data link connector. |
28 | 7,5 | Rear fog light with trailer |
29 | 15 | Heated left/right side windshield washer nozzle;
Adjustable outside mirror with heated mirrors: Exterior mirror/interior mirror switch (S50); Mirror heater; Reversing light switch, manual transmission; Start switch/reversing light switch; Automatic transmission. |
30 | 10 | Headlight cleaning system:
Headlight Washer Relay; Left and right headlight washer motor. |
31 | – | Reservation |
32 | 7,5 | Test connector for diagnostic module II (USA);
Diagnostic Module II (USA). |
33 | 15 | Front dome lamp with reading light and delayed shut-off
Rear dome lamp; Starter Lamp; Left and right visor with illuminated cosmetic mirror; Air system equipment, central locking. |
34 | 10 | External rear view mirror with folding/folding function;
Headrest release valve with delayed deactivation; Daytime running lamp control module. |
35 | 7,5 | Air system equipment, central locking;
Front dome lamp with reading light and delayed shut-off; Immobilizing Relay; ATA control module with/without infrared remote control; Trailer recognition control module. |
Main fuse box in engine compartment (1.12.94-31.5.97).
1.12.94 a 31.8.96
from 1.9.96 to 31.5.97
Number | Amps [A] | Description |
1 | 7,5 | Direction indicator lights;
Taximeter lamps, cab (until 31.8.95). |
2 | 20 | from 1.12.94 to 31.8.95:
Horn; Automatic heating; Hot water circulation pump; Automatic heating button control module Duo valve; Automatic heater with air recirculation and engine waste heat utilization system: Automatic heater control unit with air recirculation; Vacuum blower; A/C button control module (thematic); Automatic climate control (AC) button control module; Daytime running light control module; Seat belt alert control module; Seat belt and vehicle speed control module. 1.9.95 a 31.5.97: Horn; Air Conditioning (Tempatic): Electrical control module for suction type fan; Air recirculation valve Air conditioning (Tempatic) or Air conditioning (Automatic); Electrical control module for suction type fan; Continuous daylight control module. |
15 | 1.9.95 a 31.5.97:
Horn; Automatic heater: air circulation valve; Automatic heater; Continuous daylight control module. |
|
3 | 10 | 1.12.94 a 31.8.95:
Instrument set; External lamp fault monitoring module; Stop lamp switch: Stop lamp; Trailer stop light; Brake signal for cruise control; Brake signal for ABS; Brake signal for ASR; SBrake signal for ASD; Cruise control/stop light switch module with intermediate bridge. |
7,5 | 1.9.95 a 31.8.96:
Instrument set; External lamp fault monitoring module; Taximeter, cab. |
|
15 | 1.9.96 a 31.5.97:
Instrument set; External lamp fault monitoring module; Stop lamp switch: Stop lamps; Trailer stop lamps; High center stop light mounted; Traction system control module; Heated windshield washer nozzles; Taximeter. |
|
4 | 7,5 | Dip beam on the right |
15 | ATA Immersion Beacon | |
5 | 7,5 | Dip beam on the left |
6 | 7,5 | Traffic Light Right |
7 | 7,5 | Traffic light on the left;
High beam indicator; |
8 | 10 | Left fog light;
Right fog light. |
9 | 40 | until 31.8.95:
Fan controller, air conditioning (automatic) / air conditioning (theme) |
30 | 1.9.95 a 31.5.97:
Fan controller, air conditioning (automatic) / air conditioning (theme) |
|
10 | 15 | Emergency lights with trailer;
Instrument cluster; Cab roof plate. |
11 | 40 | Rear window defroster:
Combined relay (indicator/warning signal, heated rear window, wiper motor) |
12 | 20 | until 31.8.95:
Automatic heater with air recirculation and engine waste heat utilization system: Hot water circulation pump; Fresh/circulating air fin diverter valve; Double valve; A/C button control module (thematic); Automatic climate control (AC) button control module; Seat belt alert control module; Automatic heater with air recirculation and engine waste heat utilization system: Engine waste heat utilization time relay; Lighter (customer option). |
10 | 1.9.95 a 31.5.97:
Lamp warning beep; Automatic heater with air recirculation and engine waste heat utilization system; Air conditioning (themed); Air conditioning (automatic); Minibar (customer option); Lighter (customer option). |
|
15 | from 9.01.95 to 31.05.97 upwards (Only when the lighter is switched back on at t. 30):
Lamp warning beep; Automatic heater with air recirculation and engine waste heat utilization system; Air conditioning (themed); Air conditioning (automatic); Minibar (customer option); Lighter (customer option). |
|
13 | 40 | Combined Relay:
Wiper motor (interval circuit); Rear window defroster control (from 1.9.96 to 31.5.97); Rear window defroster (from 1.9.95 to 31.8.96): Rear window defroster switch; Combination switch: Headlight Flickering; Windshield wiper motor; Windshield washer pump; Windshield wiper motor; Windshield wiper motor (range circuit). |
14 | 15 | Front cigarette lighter with illuminated ashtray;
Glove box lamp with on/off switch; Rear window defroster switch (from 1.12.94 to 31.8.95); Garage door opener (USA; 1.9.96 to 31.5.97); Rear heated seat relay (customer option). |
15 | 15 | Parking lamp on the right;
Right rear light; Front right side marker lamp; Right rear side rear side marker lamp; Right rear towing light; Instrument cluster; Headlight cleaning system on; License plate illumination; Lighter Illumination. |
16 | 7,5 | Left parking light;
Left taillight; Left front side marker lamp; Left rear rear side marker lamp; Left rear trailer side marker lamp. |
17 | 7,5 | Rear fog light;
Rear fog light on the trailer. |
18 | 40 | until 31.8.95:
Automatic heater: Air volume switch, fan motor; Automatic heater with air recirculation and engine waste heat utilization system: Air volume switch, fan motor. |
7,5 | 1.12.94 a 31.8.95:
A/C button control module (theme); Automatic climate control (AC) button control module; 1.9.95 a 31.8.96: Automatic heater: Air volume switch, fan motor; Automatic heater with air recirculation and engine waste heat utilization system: Air volume switch, fan motor; Air conditioner (temp.): Blower, auxiliary fan; Air conditioning (automatic): Blower, auxiliary fan; 1.9.96 a 31.5.97: Automatic heater: Blower; A/C button control module (Tempmatic A/C); Blower, auxiliary fan; Air conditioning button control module (automatic air conditioning); Blower, auxiliary. |
|
19 | 15 | 1.9.95 a 31.5.97:
Load compartment junction box, T models. |
20 | 7,5 | Airbag failure indicator:
SRS failure indicator light; Control module for emergency voltage retractor with airbag; Convenience Relay. |
21 | 15 | Radio transmitter/receiver;
Control module for heated front seat (HS). |
22 | 10 | Electric Rear Blind Switch |
23 | 15 | Front dome lamp with reading light and delayed shut-off;
ATA control module; Infrared central locking control module; Interior rear view mirror with dimming capability: Electronic dimming of the interior mirror; ATA: |
24 | 15 | Left/right outside mirror adjustment:
Mirror heating; Exterior mirror/interior mirror switch; Reversing lamp switch; Left/right exterior mirror adjustment with folding/unfolding function: Mirror heating; Exterior mirror/interior mirror switch; Exterior rear view mirror with folding/removing function, mirror folding motors Orthopedic backrest. |
25 | 20 | Control module for heated front seat (HS) |
26 | 15 | Radio Transmitter/Receiver |
27 | 15 | Front dome light with delayed shutdown and reading light;
Rear dome light; Starter Lamp; Infrared central locking control module; Pneumatic system equipment, central locking. |
28 | 40 | Via air injection relay: Electric air pump |
29 | 30 | ECE Auxiliary Fan Auxiliary (USA, Japan) |
30 | 15 | 1.12.94 a 31.8.95: Overvoltage protection relay; Time-limited pre-slow relay; Kick-off deactivation relay; Flush control valve; Solenoid actuator, camshaft timing adjustment; Clutch pedal switch, idle speed control; Tank breather valve; Variable resonance intake valve. |
30 | 1.9.95 a 31.8.96: Overvoltage protection relay; Time-limited pre-slow relay; Solenoid actuator, camshaft timing adjustment; Flush control valve; Kick-off deactivation relay; Stop lamp switch: Stop lamp; Trailer stop light; Brake signal for cruise control; Brake signal for ABS; Brake signal for ASR; Brake signal for ASD; Cruise control module; Tank breather valve; Variable resonance inlet manifold switch valve, 6 cylinders. |
|
31 | 10 | Heated left/right windshield washer nozzle;
Windshield washer water heater; Start switch/reversing lamp switch; Automatic transmission; Auxiliary relay fan, 1st stage and 2nd stage (until 31.8.95). |
32 | 7,5 | Data link connector; Diesel shut-off valve (until 31.8.95). |
33 | 7,5 | Test connector for diagnostic module II (USA); Diagnostic Module II (USA). |
Main fuse box in the engine compartment (as of 31.5.97).
Number | Amps [A] | Description |
1 | 5 | Heated front seat control module (HS);
Left front seat belt comfort solenoid (up to 31.5.98); Right front seat belt comfort solenoid (up to 31.5.98); Seat adjustment relay (from 1.6.98 to 31.5.99); Automatic seat belt fastening function (from 1.6.99). |
2 | 5 | Emergency tension retractor (ETR) control module with airbag (AB);
Automatic child seat recognition sensor (ACSR); Left-side airbag sensor; Right side airbag sensor. |
3 | 15 | 1.6.97 a 31.5.99:
Radio; CTEL transmitter receiver for MB D-net telephone or ‘Standard’ D-net telephone (up to 31.5.98); CTEL interface for ‘Handy’ D-net telephone (up to 31.5.98); Voice control system (from 1.6.98 to 31.5.99). |
5 | starting 1.6.99:
Cell Phone / Handy (USA; from 1.6.99); |
|
4 | 5 | Instrument cluster: airbag indicator and warning lamp, supplementary safety system (SRS) |
5 | 15 | 1.6.97 a 31.5.98:
Rear window blind switch (center console); Navigation processor; Cargo space socket (model 202 T). |
20 | as of 1.6.98:
Rear window blind switch (center console); Center console: outside rearview mirror switch (with folding/reversing function). |
|
6 | 7,5 | 1.6.97 a 31.5.98:
Center console: external rear view mirror switch (with folding/folding function); 1.6.98 a 31.5.99: Autopilot system (APS); Navigation processor; CTEL transmitter and receiver with D-network telephone, fixed installation; Interface for cell phones with the “Handy” D network; Emergency call system, TELE HELP; as of 1.6.99: Emergency call system. |
7 | 7,5 | Bottom control panel:
Outer rear view mirror adjustment; Left/right power window; Switch illumination; Reverse gear recognition; Boot lid remote control; Autopilot system (APS) (until 31.5.99); CTEL transmitter and receiver with D network telephone, fixed installation (from 1.6.98); Interface for cell phone with “Handy” D network (from 1.6.98 onwards); Emergency call system, TELE AID (from 1.6.98 to 31.5.99); Navigation processor (from 1.6.98 to 31.5.99). |
8 | 30 | Driver side front door control module:
Output lamps; Outer mirror adjustment, defroster; Window supply; Seat memory switch; Switch illumination; Central locking; Convenient closure. |
9 | 25 | Air control panel:
Sliding roof/elevator; Front/rear dome lamp; Rain sensor; Convenient shutdown; Makeup mirror; Interior rear-view mirror with dimming; Internal RF receiver; Brightness-adjustable exterior rear-view mirror; Switch illumination; Garage door opener (USA). |
10 | 15 | Radio;
CTEL transmitter receiver for MB D-net telephone or “Standard” D-net telephone or CTEL interface for “Handy” D-net telephone (to 31.5.98). |
11 | 20 | Heated front seat |
12 | 25 | Sound system: left/right audio power amplifier |
13 | 15 | Headlight range control module (with xenon headlight);
Reversing light (for switch) (from 1.6.98). |
14 | 5 | Parktronic System (PTS) Taximeter |
15 | 15 | 1.6.97 to 31.5.99 (T models):
Rear windshield wiper; from 1.6.99: Stop lamp (non-contact): Stop lamp; Traction system control module; Third traffic light; Trailer stop lights. |
16 | 5 | 1.6.97 a 31.5.99:
Angle sensor steering angle sensor steering wheel, for the electronic stability program (ESP); from 1.6.99: Rear wiper (T model). |
17 | 30 | Driver side tailgate control module:
Comfort Lock; Switch illumination; Central locking; Output lamps; External rear view mirror adjustment, defroster; Window supply; Seat memory switch. |
18 | 25 | Blinker with trailer;
Hazard flashers with trailer (until 31.5.98); Auxiliary turn signals (until 31.5.98); Positive continuous trailers (until 31.5.98). |
19 | 10 | Instrument set;
External lamp fault monitoring unit; Daytime running light control module; Stop lamp (normally open contacts; until 31.5.99): Stop lamps; Traction system control module; Center high stop light mounted; Trailer stop lights. |
20 | 15 | Automatic heater (HEAT):
Heating knob control module; Car temperature sensor; Fresh/circulated air flap switch valve; Air conditioning (Tempatic): Air conditioning (Tempmatic A/C) button control module; Car temperature sensor; Fresh/circulated air flap switch valve; Air conditioning (automatic): Air conditioning (automatic air conditioning) button control module; Emission sensor (until 31.5.98). |
21 | 15 | – |
22 | 10 | Combination switch:
Windshield wiper; Headlight flickering; Windshield washer pump; Turn signals, turn signal indicator, control. |
23 | 15 | Front cigarette lighter (with ashtray lighting);
Glovebox light; Garage door opener (USA; until 31.5.98). |
24 | 15 | Parking lamp on the right;
Right rear light; Front and rear marker lights on the right side; Right rear trailer light; Instrument cluster; License plate illumination; Cigarette lighter illumination; Headlight cleaning system. |
25 | 7,5 | Left parking light; Left taillight; Front and rear marker lights on the left side; Left rear trailer light. |
26 | 7,5 | Rear fog light;
Rear fog light, trailer |
27 | 15 | Electronic steering column lock:
Solenoid of the electric steering column control module (ESC). |
28 | 10 | 1.6.97 a 31.5.99:
Roof sign (cab; until 31.5.98); |
5 | starting 1.6.99:
Steering angle sensor, with electronic stability program (ESP) |
|
29 | 30 | Fan motor;
as of 1.9.96: Auxiliary fan (engines 111.943 / .973, 112, 604, 605 with code 581a). |
40 | as of 1.9.96:
Electric intake fan (engine 111 with code 581a) |
|
30 | 10 | Indicator set;
Automatic heater (HEAT): Heating button control module; Coolant circulation pump; Two-valve; Air conditioning (Tempatic): Air conditioning (Tempmatic A/C) button control module; Coolant circulation pump; Two-valve; Air conditioning (automatic): Air conditioning (automatic air conditioning) button control module; Emission sensor (until 31.5.98). |
31 | 7,5 | until 31.5.98: Dip beam on the right |
15 | as of 1.6.98: Dip beam on the right | |
32 | 7,5 | until 31.5.98: Dip beam on the left |
15 | from 1.6.98: Dip beam on the left | |
33 | 7,5 | Traffic Light Right |
34 | 7,5 | Traffic Light Left
High beam indicator |
35 | 15 | Fog lights on the left and right;
Turn off the headlights (USA). |
36 | – | – |
37 | 25 | as of 1.6.98: Heating Intensification |
40 | starting 1.6.99: For ESP return pump (Bosch) (M112, M113) | |
38 | 30 | Auxiliary fan (engines 111, 112, 601, 604, 605 with automatic air conditioning) |
40 | Electric fan 380W (motor 111 with automatic air conditioning), M112 USA / Japan | |
60 | 550 W electric suction fan for 112, 611 engines with automatic air conditioning |
Number | Amps [A] | Description |
39 | – | – |
40 | 10 | Horn |
41 | 15 | Turn on the signal lamps;
Turn on the signal indicator; Horn; Windshield Wiper; Windshield Washer Pump; Rain sensor; Rear window defroster; Engine fan; Engine waste heat utilization system; Headlight cleaning system; Emergency lights. |
42 | 7,5 | Windshield washer water heater |
43 | 7,5 | Windshield washer pump |
44 | 40 | Windshield Wiper;
Rain Sensor. |
45 | 15 | Headlight cleaning system |
Fuse box in the trunk (until 30.11.94)
Number | Amps [A] | Description |
1 | 25 | Switch for front left seat electrically adjustable: Headrest; Backrest;. Seat height |
2 | 25 | Switch for electrically adjustable right front seat:
Seat height; Front/rear seat. |
3 | 25 | Switch for front left seat electrically adjustable:
Seat height; Front/rear seat. |
4 | 25 | Switch for electrically adjustable right front seat: Headrest; Backrest; Seat Height. |
5 | 25 | Sound system: Amplifier control unit (left/right speakers) |
6 | 7,5 | CD player with change |
7 | 30 | Convenient control module:
Power windows; Tilt and slide roof; Rear windows. |
8 | – | – |
9 | 7,5 | Comfort Relay;
Convenience control module: Electric windows, sloping and sliding roof. |
10 | 30 | Convenient control module:
Electric windows, sloping and sliding roof; Electrically operated front windows. |
11 | 7,5 | ATA control module;
Trailer sensor control module. |
12 | 20 | Control module for heated front seat (HS) |
13 | 20 | Tilting and sliding the roof |
14 | – | – |
15 | – | – |
16 | – | – |
17 | 7,5 | Telephone Transmitter/Receiver |
18 | 25 | Socket, trailer connector, 13-pin;
Fuel pump relay. |
19 | – | – |
Fuse box in the trunk ( from 1.12.94)
Number | Amps [A] | Description |
1 | 25 | until 31.5.97:
Sound system: Amplifier (left/right speaker); from 1.6.97: Fuel Pump. |
2 | 7,5 | Injection System |
30 | as of 1.6.97:
Pneumatic system equipment (PSE): |
|
3 | 20 | until 31.5.97:
ATA control module; Trailer sensor control module; Infrared remote control (from 1.12.94 to 31.8.96). |
30 | as of 1.6.97:
Driver’s side front door control module |
|
4 | 7,5 | 1.12.94 a 31.8.96:
Automatic antenna, sedans |
40 | as of 1.6.97:
Pneumatic system equipment (PSE): De-icer rear window; Central locking; Sign Audible anti-theft alarm (ATA). |
|
5 | 7,5 | until 31.5.97:
Left front door entry/exit lamp; Right front door entry/exit lamp. |
30 | as of 1.6.97: Driver’s side tailgate control module | |
6 | 25 | until 31.5.97: Socket, trailer coupling, 13-pin |
5 | as of 1.6.97:
Rear dome lamp; Starter Lamp; Seat adjustment relay; Rear dome lamp (cab). |
|
7 | 30 | until 31.5.97:
Comfort control module: Power windows, tilt and slide roof – Power rear windows |
5 | as of 1.6.97: For ATA: ATA Tilt Sensor; Left infrared transmitter and receiver (interior protection system); Right infrared transmitter and receiver (interior protection system); Alarm siren with additional battery. |
|
8 | 30 | until 31.5.97:
Comfort control module: Electric windows, tilt and slide roof – Front electric windows |
10 | 1.6.98 a 31.5.99:
Emergency Call System starting 1.6.99: Emergency call system (except USA); Electronic e-call control module. |
|
9 | 20 | until 31.5.97:
Roof tilt -slide |
– | from 1.6.98: Vehicles business | |
10 | 25 | Power switch for the front left seat:
Rear seat height; Headrest up/down; Backrest. |
11 | 25 | Switch for front left seat electrically adjustable: Front/rear seat; Front seat height. |
12 | 25 | Switch for electrically adjustable right front seat: Front/rear seat; Front seat height. |
13 | 25 | Switch for electrically adjustable right front seat: Rear seat height; Headrest up/down; Backrest. |
14 | – | Heated rear seat (from 1.12.94 to 31.5.97) |
15 | – | Reservation |
16 | – | Reservation |
17 | – | Reservation |
Relay Box
Number | Courier |
A | Heater relay module O2S 2 (after TWC) |
B | ASR charge pump relay module (up to 11/94); AIR relay module. |
C | Fan relay auxiliary module (phase 1) (11 / 94-08 / 95); Reserve (from 09/95 onwards). |
C + D | Auxiliary fan relay module (phase 1 [do 11/94] i 2); Auxiliary fan relay (phase 1) (to 11/94); Auxiliary fan relay (phase 2) (to 11/94). |
D | Auxiliary fan relay module (phase 2) (11 / 94-08 / 95); Reserve (from 09/95 onwards). |
E | HCS relay module |
F | Horn relay module |
G | Breakaway relay module (terminal 56 / 56b, daytime running light) (Canada) |
H | High pressure pump/return relay (from 06/94) |
K | Combined relay (indicator / emergency, heated rear window, wiper motor) |
L | External Lamp Malfunction Monitoring Module |
Engine 111
Number | Description |
A1e26 | “CHECK ENGINE” MILES |
K1 / 2 | Overvoltage protection relay module (9-pole) |
K17 | AIR relay module |
K27 | Fuel pump relay module |
K35 | Heater relay module O2S 2 (after TWC) |
N3 / 4 | Motor control module (HFM-SFI) |
X11 / 4 | Data link connector (DTC readout) |
Y3 / 3 | Switch to a higher delay shift valve |
Motor
Number | Description |
N3 / 4 | HFM motor controller |
K1 / 2 | Overvoltage protection relay |
K27 | Fuel pump relay(s) |