Dacia Sandero II 2016 Wiring Diagrams (B52) – H4B408 0.9 TCe 66kW Electrical Schematics | JH3 Transmission

Vehicle Coverage

• Model: Dacia Sandero II

• Platform: B52

• Model Year: 2016

• Engine: H4B408 – 0.9 TCe – 66kW

• Transmission: JH3

• Electrical platform: TED69

Manual Overview

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

The documentation includes electrical distribution, ECU connector details, fuse and relay layouts, engine management wiring, instrument circuits, passenger compartment systems, lighting circuits, and 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

• Battery current sensor

• Bonnet switch

• Door & boot locking switch

• Door locking

• Stop & start switch

• Transponder

Axle assembly

• Anti-lock braking system and directional stability control

• Electric power assisted steering

Connectors

• Starting switch

• ABS / ESP computer

• Additional passenger compartment heating

• Injection computer

• Parking aid computer

• Electric rear-view mirror control

• Transponder ring

• Economy mode control

• Multiplex line interface unit

• Clutch end of travel switch

• Engine fan unit control relay unit

• Power assisted steering electric pump unit

• Stop & start switch

• Diagnostic socket

• Instrument panel

• Passenger compartment fuse box and relay

• Radio

• Air conditioning control panel

• Air conditioning control unit

• Steering wheel angle sensor

• Engine and relay fuse box

• Passenger compartment computer

• Clutch pedal switch

• Rotary switch

• Airbag pretensioner computer

• Power supply fuse board

• Fuel pump and sender unit

Driving assistance

• Multimedia multiplexing interface unit

• Parking distance control

• Radio and communication systems

• Speed regulator

Earth distribution

• Grounds

Electrical distribution

• Bonnet switch

• Engine fuse and relay board

• Passenger compartment control unit

• Passenger compartment fuse and relay board

• Power fuse board

Engine check

• Clutch assistance

• Electronic injection

• Engine cooling system

• LPG pre-equipment

• Starting circuit

• Stop & start switch

• 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

• LPG pre-equipment

• Oil pressure indicator

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