Fuses and relays Porsche Cayenne (955 / 957), 2002–2010

Table of Contents

The Porsche Cayenne is a five-seat, mid-size performance crossover produced by German automobile manufacturer Porsche. Co-developed with the Volkswagen Group, it debuted in December 2002. This article provides detailed fuse box diagrams and relay assignments for the first-generation Porsche Cayenne (chassis codes 955 / 957; PL71 platform), covering model years 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, and 2010.

Below you will find fuse box locations, diagrams, and panel photos. Fuses for the “Cigarette lighter” and “Fuel pump” circuits are highlighted in bold.

Engine Compartment


The fuse box is located behind the plastic trim on the left side of the engine compartment.


General overview.

Diagram
No. Relay Assignment
1-1 Main relay 2
1-2 Not assigned
1-3 Main relay 1
1-4 Secondary air injection (SAI) pump relay 1
1-5 Auxiliary coolant pump relay
1-6 Left fuel pump relay
2-1 Not assigned
2-2 Not assigned
2-3 Secondary air injection (SAI) pump relay 2
2-4 Not assigned
2-5 Not assigned
2-6 Vacuum pump relay
19 Right fuel pump relay
20 Starter relay (Terminal 50)
No. Amps Protected Circuit / Component
1 60 Radiator fan 1 (600 W)
2 30 Radiator fan 2 (300 W)
3 40 2002–2007 (Type 955): Secondary air injection pump
4 40 2002–2007 (Type 955): Secondary air injection pump
5 - Not assigned
6 - Not assigned
7 20 Fuel injectors, ignition coils
8 20 2002–2007 (Type 955): Fuel injectors, ignition coils
15 2007–2010 (Type 957):
  • Cayenne: Ignition coils 
  • Cayenne S / Cayenne GTS / Cayenne S Transsyberia: EVAP canister purge valve, A/C compressor, A/C control module, crankcase ventilation, intake manifold changeover valve
9 30 Engine control module (ECM), variable valve timing (VVT), intake manifold changeover valve
20 2007–2010 (Type 957) Cayenne: Engine control module (ECM)
15 2007–2010 (Type 957) Cayenne S / Cayenne GTS / Cayenne S Transsyberia: Fuel quantity control valve, VVT solenoid valve, valve lift control solenoid
10 10
  • 2002–2007 (Type 955): Engine electronics: radiator fan control module, after-run coolant pump, EVAP purge valve, high-pressure sensor, EVAP leak detection pump
  • 2007–2010 (Type 957) Cayenne: Auxiliary coolant pump relay, EVAP leak detection pump, EVAP purge valve, radiator fan, high-pressure sensor
  • 2007–2010 (Type 957) Cayenne S / Cayenne GTS / Cayenne S Transsyberia: Radiator fan control module, high-pressure sensor, EVAP leak detection pump, EVAP purge valve, oil level and temperature sensor
11 15 Engine electronics, secondary air injection pump, A/C compressor, oil level and temperature sensor
2007–2010 (Type 957):
  • Cayenne: Oil level and temperature sensor, A/C compressor, A/C control module, crankcase ventilation
  • Cayenne S / Cayenne GTS / Cayenne S Transsyberia: Engine control module (ECM), fuel shutoff valve
12 5 2002–2007 (Type 955): Secondary air injection pump, after-run coolant pump, auxiliary coolant pump
10 2007–2010 (Type 957): VVT control valve, EVAP purge valve, intake manifold changeover valve, fuel valve
13 15 Right fuel pump
14 15 Left fuel pump
15 10 Engine control module (ECM), main relay
16 30 Vacuum pump
17 15 Upstream oxygen sensor (Lambda probe)
18 7.5 Downstream oxygen sensor (Lambda probe)

Passenger Compartment

The passenger cabin contains two fuse boxes protecting various electrical circuits.

Fuse Box #1 (Left Side)


Located on the left end of the dashboard (driver side).

Diagram
No. Amps Description
1 20 2002–2007 (Type 955): Center console cigarette lighter
2007–2010 (Type 957): Center console and rear center console cigarette lighters / 12V sockets
2 5 Auxiliary coolant heater radio receiver
3 20 Passenger footwell 12V socket
4 15 2002–2007 (Type 955): Auxiliary coolant heater / auxiliary heater
  20 2007–2010 (Type 957): Auxiliary coolant heater / auxiliary heater
5 20 Luggage compartment 12V socket
6 15 Porsche Entry & Drive system
7 5 OBD-II diagnostic connector, antenna control module, rain sensor, light sensor
8 30 Windshield wipers
9 15 Body control module (BCM) – windshield washer pump
10 25 2002–2007 (Type 955): Left rear power window
30 2007–2010 (Type 957): Left rear power window and central locking
11 15 2002–2007 (Type 955): Driver door control module (central locking), left rear door control module (central locking)
12 20 2002–2007 (Type 955): Body control module (BCM) – interior lighting
13 - Not assigned
14 25 2002–2007 (Type 955): Left front power window
30 2007–2010 (Type 957): Left front power window and central locking
15 15 Right tail light; central locking, power windows, power mirrors
16 20 Body control module (BCM) – horn
17 10 2002–2007 (Type 955): Body control module (BCM) – left turn signals, left parking lights
30 2007–2010 (Type 957): Body control module (BCM) – left turn signals, left low beam, right parking lights
18 20 2002–2007 (Type 955): Headlight washer system
25 2007–2010 (Type 957): Headlight washer system
19 15 2002–2007 (Type 955): Body control module (BCM) – fog lights
5 2007–2010 (Type 957): Body control module (BCM) – interior lighting
20 30 2007–2010 (Type 957): Body control module (BCM) – instrument cluster illumination, left fog light, left auxiliary high beam
21 15 2002–2007 (Type 955): Body control module (BCM) – adaptive headlights
22 30 Rear differential lock, transfer case, power tailgate actuator
23 10 2002–2007 (Type 955): Rear differential lock, active anti-roll bar control module
2007–2010 (Type 957): Differential lock control module
24 5 Tire Pressure Monitoring System (TPMS)
25 - Not assigned
26 10
  • Porsche Stability Management (PSM), brake light switch, passenger airbag indicator, instrument cluster, airbag system, steering column control module
  • Engine control module (engine management, cooling fans, airbags, clutch pedal switch, instrument cluster)
27 - Not assigned
28 - Not assigned
29 - Not assigned
30 15 Auxiliary off-road lighting
31 15 Auxiliary off-road lighting
32 - Not assigned
33 15 Steering column control module, heated steering wheel
34 5 Interior motion sensor, heated seats, inclination sensor
35 15 2002–2007 (Type 955): Left low beam, left high beam
30 2007–2010 (Type 957): Body control module (BCM) – right fog light, right auxiliary high beam, interior lighting
36 10 2002–2007 (Type 955): Body control module (BCM)
30 2007–2010 (Type 957): Driver seat adjustment switch panel
37 - Not assigned
38 10 Brake lights
39 5 Heated rear window, heated seat control module
40 5 Instrument cluster control module, OBD-II diagnostics
41 15 Access and start authorization control module (KESSY)
42 30 Power sunroof control module
43 30 Subwoofer / audio amplifier
44 30 Driver seat switch panel, seat and steering column memory control module, driver seat control module
45 30 Left seat backrest height and angle adjustment, rear seat heating control module
46 - Not assigned
47 10 2002–2007 (Type 955): Rear differential lock
2007–2010 (Type 957): Transfer case control module
48 5 Auxiliary coolant heater / auxiliary heater
49 5 Servotronic power steering control module, active anti-roll bar control module
50 10 2002–2007 (Type 955): Crankcase ventilation heating element
51 5 Air quality sensor, parking brake switch, OBD-II diagnostic connector
52 30 2002–2007 (Type 955): Rear windshield wiper
15 2007–2010 (Type 957): Rear windshield wiper
53 5 Heated rear window and exterior mirrors, interior motion sensor, headlight switch, steering column control module
54 10 Headlight range control module, left headlight module (2007–2010 / Type 957)
55 - Not assigned
56 40 Front HVAC blower motor
57 40 2002–2007 (Type 955): Rear HVAC blower motor (4-zone climate control)
2007–2010 (Type 957): Air suspension system / Porsche Active Suspension Management (PASM)

Fuse Box #2 (Right Side)


Located on the right end of the dashboard (passenger side).

Diagram
No. Amps Purpose
1 15 Trailer control module
2 5 ParkAssist control module
3 15 Trailer control module
4 5 2002–2007 (Type 955): Cell phone interface control module
5 15 Trailer control module
6 30 Porsche Stability Management (PSM)
7 5 Transfer case control module, cell phone preparation
8 20 2002–2007 (Type 955): Body control module (BCM) – auxiliary high beam
30 2007–2010 (Type 957): Body control module (BCM) – right turn signals, right low beam, left parking lights
9 5 2002–2007 (Type 955): CD changer, DVD navigation module
10 5
  • 2002–2007 (Type 955): TV tuner, satellite radio receiver
  • 2007–2010 (Type 957): Rear Seat Entertainment (RSE) system
11 10 Radio or Porsche Communication Management (PCM)
12 30 Audio system amplifier
13 5 Heated seat control module
14 15 Left tail light; central locking, power windows, power mirrors
15 25 2002–2007 (Type 955): Right rear power window
30 2007–2010 (Type 957): Right rear power window and central locking
16 10 Luggage compartment lighting
17 15 2002–2007 (Type 955): Right low beam, right high beam
18 30 Heated rear window
19 25 2002–2007 (Type 955): Trailer brake controller / trailer control module
30
25 2007–2010 (Type 957): Trailer control module
20 30 Passenger seat height adjustment switch
21 10 Spare tire release actuator, alarm siren
22 30 2002–2007 (Type 955): Passenger seat adjustment control module, front seat heating control module
25 2007–2010 (Type 957): Heated front seats
23 10 HVAC climate control module
24 30 Passenger seat adjustment control module
25 5 Rear climate control module and display panel
26 - Not assigned
27 15 Porsche Active Suspension Management (PASM), Porsche Dynamic Chassis Control (PDCC)
28 - Not assigned
29 10 2002–2007 (Type 955): Transmission control module (TCM)
5 2007–2010 (Type 957): Transmission control module (TCM), Tiptronic switch
30 20 Power tailgate drive motor
31 15 Fuel filler door lock actuator
32 10 2002–2007 (Type 955): Passenger door control module (central locking), right rear door control module (central locking)
33 - Not assigned
34 25 2002–2007 (Type 955): Right front power window
30 2007–2010 (Type 957): Right front power window and central locking
35 10 2002–2007 (Type 955): Body control module (BCM) – turn signals, right parking lights
30 2007–2010 (Type 957): Passenger seat adjustment control module
36 5 Sunroof module, telephone, compass module (vehicle tracking system control module)
37 - Not assigned
38 10 Porsche Stability Management (PSM)
39 5 OBD-II diagnostics
40 10 Transfer case control module
41 10 Trailer control module
42 5 HomeLink garage door opener control panel / module
43 5 Reverse lights (backup lights)
44 5 Heated windshield washer nozzles (left/right), seat heating control switch, air suspension control panel, Porsche Dynamic Chassis Control (PDCC)
45 - Not assigned
46 5 2007–2010 (Type 957): Rear Seat Entertainment (RSE) system
47 10 2002–2007 (Type 955): Cell phone preparation module
48 10 Adaptive air suspension / Porsche Active Suspension Management (PASM)
49 5 Telephone, auto-dimming interior rearview mirror
50 5 2002–2007 (Type 955): ParkAssist control module
10 2007–2010 (Type 957): Right headlight control module
51 20 2002–2007 (Type 955): Tiptronic transmission control module
15 2007–2010 (Type 957): Tiptronic transmission control module
52 5 Tiptronic switch, shift lock solenoid (P position), multifunction switch
53 30 Left heated windshield relay
54 30 Right heated windshield relay
55 5 Reversing camera (backup camera)
56 40 Porsche Stability Management (PSM)
57 40 Transfer case control module
See also:
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