Dacia Sandero II 2014 Wiring Diagrams (B52) – H4B400 0.9 TCe 66kW Electrical Schematics | JH3 Transmission

Vehicle Coverage

• Model: Dacia Sandero II

• Platform: B52

• Model Year: 2014

• Engine: H4B400 – 0.9 TCe – 66kW

• Transmission: JH3

• Electrical platform: OV369

Manual Overview

This professional wiring manual provides complete electrical schematics for the Dacia Sandero II B52 platform, allowing technicians and specialists to diagnose electrical faults, trace circuits, and understand the interaction between control units, safety systems, comfort features, and lighting circuits.

The documentation includes electrical distribution, ECU connector details, fuse and relay layouts, dashboard instrumentation, passenger compartment comfort systems, visibility and signalling circuits, and vehicle harness layouts, organized by subsystem for efficient troubleshooting.

Technical Highlights

• Complete vehicle electrical wiring diagrams

• ECU connector details and component pinouts

• Fuse and relay board layouts

• Power distribution and grounding circuits

• Engine management wiring

• Dashboard and instrument cluster circuits

• Lighting and signalling systems

• Passenger comfort electrical systems

• Airbag and safety warning circuits

• Vehicle harness routing diagrams

Table of Content

Anti-theft

• Anti-theft switch

• Anti-theft tracker

• Bonnet contact without anti-intrusion alarm

• Door & boot locking switch

• Door locking

• Telematics

• Transponder

Axle assembly

• Anti-lock braking system and directional stability control

• Power assisted steering

Connectors

• Starting switch

• Additional heating relay 1

• ABS / ESP computer

• Manual gearbox neutral sensor / reversing lights

• Additional passenger compartment heating

• Passenger compartment fan assembly

• Passenger compartment fan speed resistance unit

• Injection computer

• Parking aid computer

• Central locking / hazard warning lights switch

• Driver’s door electric locking

• Central locking for passenger door

• Parking aid switch

• Transponder ring

• Multiplex line interface unit

• Telematic computer

• Anti-theft tracker unit

• Diagnostic socket

• Instrument panel

• Passenger compartment fuse box and relay

• Radio

• Air conditioning control panel

• Radio satellite control

• Air conditioning control unit

• Engine and relay fuse box

• Passenger compartment computer

• Clutch pedal switch

• Air bag & pretensioner computer

• Power supply fuse board

• Hands-free mobile phone microphone

Driving assistance

• Multimedia multiplexing interface unit

• Parking distance control

• Radio and communication systems

• Speed regulator

Earth distribution

• Grounds

Electrical distribution

• Battery charge circuit

• Engine fuse and relay board

• Passenger compartment control unit

• Passenger compartment fuse and relay board

• Power fuse board

Engine check

• Cooling fan assembly

• Electronic injection

• LPG pre-equipment

• Starting circuit

• Water in diesel detection

Fuses and Relays

• Fuses and relays

Harness Layout

• Harnesses

On-board instruments

• Diagnostics socket

• Fuel level and fuel pump

• Handbrake warning light

• Instrument panel

• Low brake fluid warning light

• Oil pressure indicator

• Vehicle speed signal

Passenger compartment comfort

• Additional passenger compartment heating

• Air conditioning compressor

• Air conditioning

• Automatic air conditioning

• Basic heating

• Cigarette lighter

• Courtesy lighting

• Electric rear-view mirrors

• Front electric windows

• Heated seats

• Luggage compartment lighting

• Pre-equipment radio

• Rear electric windows

• Storage compartment lighting

Passenger compartment safety

• Air bag and seat belt warning light

Transmission check

• Clutch assistance

Visibility and signalling

• Brake light and high-level lights

• Dipped headlights

• Direction indicators and hazard warning lights

• Electromagnetic horn

• Front and rear screen washer & wipers

• Front foglights

• Main beam headlights

• Position lights

• Rear foglights

• Rear window de-icing

• Reversing lights

• Windscreen de-icing

  Vehicle Coverage

  • Model: Dacia Sandero II

  • Platform: B52

  • Model Year: 2014

  • Engine: H4B400 – 0.9 TCe – 66kW

  • Transmission: JH3

  • Electrical platform: OV369

  ---

  Manual Overview

  This professional wiring manual provides complete electrical schematics for the Dacia Sandero II B52 platform, allowing technicians and specialists to diagnose electrical faults, trace circuits, and understand the interaction between control units, safety systems, comfort features, and lighting circuits.

  The documentation includes electrical distribution, ECU connector details, fuse and relay layouts, dashboard instrumentation, passenger compartment comfort systems, visibility and signalling circuits, and vehicle harness layouts, organized by subsystem for efficient troubleshooting.

  ---

  Technical Highlights

  • Complete vehicle electrical wiring diagrams

  • ECU connector details and component pinouts

  • Fuse and relay board layouts

  • Power distribution and grounding circuits

  • Engine management wiring

  • Dashboard and instrument cluster circuits

  • Lighting and signalling systems

  • Passenger comfort electrical systems

  • Airbag and safety warning circuits

  • Vehicle harness routing diagrams

  ---

  Table of Content

  Anti-theft

  • Anti-theft switch

  • Anti-theft tracker

  • Bonnet contact without anti-intrusion alarm

  • Door & boot locking switch

  • Door locking

  • Telematics

  • Transponder

  Axle assembly

  • Anti-lock braking system and directional stability control

  • Power assisted steering

  Connectors

  • Starting switch

  • Additional heating relay 1

  • ABS / ESP computer

  • Manual gearbox neutral sensor / reversing lights

  • Additional passenger compartment heating

  • Passenger compartment fan assembly

  • Passenger compartment fan speed resistance unit

  • Injection computer

  • Parking aid computer

  • Central locking / hazard warning lights switch

  • Driver’s door electric locking

  • Central locking for passenger door

  • Parking aid switch

  • Transponder ring

  • Multiplex line interface unit

  • Telematic computer

  • Anti-theft tracker unit

  • Diagnostic socket

  • Instrument panel

  • Passenger compartment fuse box and relay

  • Radio

  • Air conditioning control panel

  • Radio satellite control

  • Air conditioning control unit

  • Engine and relay fuse box

  • Passenger compartment computer

  • Clutch pedal switch

  • Air bag & pretensioner computer

  • Power supply fuse board

  • Hands-free mobile phone microphone

  Driving assistance

  • Multimedia multiplexing interface unit

  • Parking distance control

  • Radio and communication systems

  • Speed regulator

  Earth distribution

  • Grounds

  Electrical distribution

  • Battery charge circuit

  • Engine fuse and relay board

  • Passenger compartment control unit

  • Passenger compartment fuse and relay board

  • Power fuse board

  Engine check

  • Cooling fan assembly

  • Electronic injection

  • LPG pre-equipment

  • Starting circuit

  • Water in diesel detection

  Fuses and Relays

  • Fuses and relays

  Harness Layout

  • Harnesses

  On-board instruments

  • Diagnostics socket

  • Fuel level and fuel pump

  • Handbrake warning light

  • Instrument panel

  • Low brake fluid warning light

  • Oil pressure indicator

  • Vehicle speed signal

  Passenger compartment comfort

  • Additional passenger compartment heating

  • Air conditioning compressor

  • Air conditioning

  • Automatic air conditioning

  • Basic heating

  • Cigarette lighter

  • Courtesy lighting

  • Electric rear-view mirrors

  • Front electric windows

  • Heated seats

  • Luggage compartment lighting

  • Pre-equipment radio

  • Rear electric windows

  • Storage compartment lighting

  Passenger compartment safety

  • Air bag and seat belt warning light

  Transmission check

  • Clutch assistance

  Visibility and signalling

  • Brake light and high-level lights

  • Dipped headlights

  • Direction indicators and hazard warning lights

  • Electromagnetic horn

  • Front and rear screen washer & wipers

  • Front foglights

  • Main beam headlights

  • Position lights

  • Rear foglights

  • Rear window de-icing

  • Reversing lights

  • Windscreen de-icing