Porsche Cayenne 9Y0 (2017-2021) – fuse and relay box
Diagrams of fuse boxes and relays – Porsche Cayenne 9Y0
Applies to vehicles manufactured in the years:
2017, 2018, 2019, 2020, 2021.
Chambers and amps
- Light brown 5 A.
- Brown 7.5A
- Red 10 A.
- Blue 15 A.
- Yellow 20 A.
- White / Transparent 25 A.
- Green 30 A.
- 35 Amp Blue / Green
- Orange 40 A.
Fuse box on the dashboard
| Number | Description |
|---|---|
| 1 | – |
| 2 | Smartphone tray;
ETC toll system card reader. |
| 3 | – |
| 4 | – |
| 5 | USB connection |
| 6 | Air conditioning control unit |
| 7 | Electric steering column lock |
| 8 | – |
| 9 | Instrument cluster |
| 10 | Touch display in the dashboard |
| 11 | Light switch |
| 12 | Steering column switch |
| 13 | – |
| 14 | PCM |
| 15 | Electric steering column lock |
| 16 | Heated steering wheel switch |
Fuse box in front left footwell (right-hand drive)
Fuse box in left front footwell (left-hand drive)
| Number | Description |
|---|---|
| Row A | |
| 1 | – |
| 2 | Air mass flow sensor |
| 3 | Exhaust flaps;
Injectors; Radiator inlet. |
| 4 | Exhaust flaps;
Vacuum pump; Hot water pump; Exhaust gas treatment. |
| 5 | Brake light sensor |
| 6 | Engine valves |
| 7 | Oxygen sensors;
Mass air flow sensor. |
| 8 | Engine cushions;
High pressure pump; High pressure regulating valve; Mass air flow sensor. |
| 9 | Engine relay |
| 10 | Oil pressure sensor;
Oil temperature sensor. |
| 11 | Radiator shutter, 48V |
| 12 | Engine valves |
| 13 | Radiator fan |
| 14 | Injectors |
| 15 | Oxygen sensors |
| 16 | Fuel pump |
| Row B | |
| 1 | Ignition coils |
| 2 | Engine radiator valve;
Ignition Circuit Diagnosis. |
| 3 | – |
| 4 | – |
| 5 | Engine mounts |
| 6 | Front left reversible seat belt, pretensioner |
| 7 | Panel |
| 8 | Front right reversible seat belt pretensioner |
| 9 | Front heater fan |
| 10 | – |
| 11 | Starter, thermal management |
| 12 | All-wheel drive |
| Row C. | |
| 1 | Front seat heating |
| 2 | Front left door control unit |
| 3 | Power outlet |
| 4 | Roof system |
| 5 | Left headlight electronics |
| 6 | Rear left door control unit |
| 7 | Windshield wiper |
| 8 | Rear right door control unit |
| 9 | Right headlight electronics |
| 10 | Headlamp / windshield washer system |
| 11 | Air conditioning control unit |
| 12 | Clutch |
| Row D | |
| 1 | Seat ventilation;
Seat heating; Rear view – mirror; Air conditioning control panel at the rear; Air conditioning pressure sensor. |
| 2 | Gate control unit |
| 3 | Sound actuator |
| 4 | Gearbox heater valve |
| 5 | Engine start |
| 6 | – |
| 7 | Active accelerator pedal |
| 8 | Night vision assistant;
Ionizer; Opening a garage door. |
| 9 | Adaptive Cruise Control (ACC) |
| 10 | All-wheel drive;
Differential lock. |
| 11 | Video camera |
| 12 | Seat ventilation |
| 13 | Chair disconnect points |
| 14 | – |
| 15 | Right headlight electronics |
| 16 | Left headlight electronics |
| Row E. | |
| 1 | Alarm |
| 2 | Engine control unit |
| 3 | – |
| 4 | Gear shift mechanism |
| 5 | Horn |
| 6 | Parking brake switch |
| 7 | Gate control unit |
| 8 | Suspended console |
| 9 | – |
| 10 | Airbag control unit |
| 11 | PSM control unit |
| 12 | Diagnostic socket;
Light and rain sensor. |
| 13 | Air conditioning system |
| 14 | Front right door control unit |
| 15 | Air conditioning compressor |
| 16 | Braking system |
Fuse box in the trunk
| Number | Description |
|---|---|
| Row A | |
| 1 | Thermal management |
| 2 | – |
| 3 | – |
| 4 | – |
| 5 | Pneumatic suspension |
| 6 | Gearbox control unit |
| 7 | Rear roller shutter;
Comfort access; |
| 8 | Seat heating (does not apply to E-Hybrid vehicles) |
| 9 | – |
| 10 | Trailer hitch (left light) |
| 11 | Tailgate control unit |
| 12 | Rear blower regulator |
| Row B | |
| 1 | Left tail light |
| 2 | – |
| 3 | Rear spoiler |
| 4 | Rear climate control panel |
| 5 | Trailer hitch (right light) |
| 6 | Trailer hitch (rotary engine) |
| 7 | Towbar |
| 8 | – |
| 9 | Trailer hitch (socket) |
| 10 | Differential lock |
| 11 | Seat adjustment |
| 12 | – |
| Row C. | |
| 1 | Control unit for assistance systems |
| 2 | Smartphone tray |
| 3 | – |
| 4 | Lane change assistant |
| 5 | – |
| 6 | Tire pressure monitoring system |
| 7 | Control unit for assistance systems |
| 8 | Radio receiver of parking heater |
| 9 | – |
| 10 | – |
| 11 | Roof antenna |
| 12 | Garage door opener |
| 13 | Spatial view |
| 14 | Right rear light |
| 15 | – |
| 16 | Subwoofer |
| Row D | |
| 1 | PDCC |
| 2 | High voltage battery |
| 3 | High voltage battery water pump |
| 4 | Electric engine |
| 5 | Braking system |
| 6 | – |
| 7 | Starter 12 V |
| 8 | Air conditioning compressor |
| 9 | 48 volt system |
| 10 | High voltage battery |
| 11 | Charger |
| 12 | – |
| 13 | – |
| 14 | Thermal management |
| 15 | – |
| 16 | – |