Learn about Citroën Relay III / Jumper III from 2015 fuse box and relay’s locations, functions, and maintenance tips for optimal vehicle electrical system.

The Citroën Relay III / Jumper III from 2015 is a versatile commercial vehicle available in various body styles, including panel vans, chassis cabs, and crew vans. Known for its large cargo space, it offers multiple configurations to meet the needs of businesses. The interior features advanced technology such as touchscreen infotainment, Bluetooth connectivity, and modern driver assistance systems like lane departure warnings and rear parking sensors.

The fuse box, located under the dashboard and beneath the bonnet, safeguards key electrical components such as lights, infotainment, and safety features from electrical surges. If a fuse blows, it interrupts the circuit to prevent damage.

The relays control important systems, including the starter motor, fuel pump, and fans. They allow lower-power circuits to manage higher-power devices. A malfunctioning relay could prevent the van from starting or cause the cooling system to fail.

Regularly inspecting the fuse box and relays is crucial for ensuring the Citroën Relay’s electrical systems continue to operate efficiently, supporting its high-performance features and safety functions.

MUST READ: DYI – How to Check Car Fuses?

(2015…) Citroën Relay III / Jumper III fuse box and relay with Diagram

WARNING

  • Never replace a fuse with one that has a higher amperage rating.
  • A fuse with a too-high amperage could damage the electrical part and cause a fire.
  • On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
  • If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
  • Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Citroën Relay III / Jumper III from 2015 fuse assignment

Year of production: from 2015…

Fuse box in instrument panel (passengers’s side)

Citroen Jumper - fuse box - instrument panel
Citroen Jumper – fuse box – instrument panel
FuseAmpere rating [A]Allocation
127,5Right-hand dipped beam headlamp
137,5Left-hand dipped beam headlamp
315Relay supply
3210Cab lighting
3315Rear 12V socket
34Not used
357,5Reversing lamps – Water in Diesel fuel sensor
3615Central locking control – Battery
377,5Brake lamps switch – Thirs brake lamp – Instrument pamel
3810Central locking
3910Audio system – Diagnostic socket – Alarm siren – Programmable additional heating controls – Air conditioning controls – Tachograph – Battery
4015Heated: rear screen (left hand), driver’s side mirror
4115Heated: rear screen (right hand), passenger’s side mirror
427,5ABS control unit and sensor – ASR sensor – DSC sensor – Brake lamps switch
4330Windscreen wiper motor
4420Cigarette lighter – 12V socket
457,5Door controls
46Not used
4720Driver’s electric window motor
4820Passenger electric window motor
497,5Audio system – Instrument panel controls – Driver’s electric window
507,5Airbags and pre-tensioners unit
517,5Tachograph – Cruise contro – Air conditioning  controls
527,5Optional relay supply
537,5Instrument panel – rear foglamp

Fuse box in passenger compartment (driver’s door pillar fuses)

Citroen jumper fuse box driver pillar
Citroen jumper fuse box driver pillar
FuseAmpere rating [A]Allocation
54Not used
5515Heated seats
5615Rear passenger 12 V socket
5710Programmable additional heating
5810Lateral sidelamps
597,5Pneumatic suspension
60Not used
61Not used
62Not used
6310Programmable additional heating switch
64Not used
6530Programmable additional heating fan

Fuse box under bonnet

Citroen jumper fuse box engine compartment
Citroen jumper fuse box engine compartment
FuseAmpere rating [A]Allocation
140ABS pump supply
250Diesel pre-heater unit
330Ignition switch
420Programmable additional heating
520Cab ventilation with programmable additional heating
640Cab fan max speed
60
740Cab fan min speed
50
840Cab fan unit
920Screenwash pump
1015Horn
147,5Right hand main beam
157,5Left hand main beam
187,5Engine management
197,5Air conditioning compressor
2030Headlamp wash pump
2115Fuel pump supply
2315ABS electrovalves
3015Front foglamps

Conclusion

For owners and enthusiasts of classic Citroën Relay III / Jumper III from 2015, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Citroën’s craftsmanship and innovation in the automotive industry during that era.

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