Renault Master III 2018 Wiring Diagrams (U62) – M9T706 2.3 dCi 125kW Electrical Schematics | PF6 Transmission

Vehicle Coverage

• Model: Renault Master III

• Platform: U62

• Model Year: 2018

• Engine: M9T706 – 2.3 dCi – 125kW / 170HP

• Transmission: PF6

• Electrical platform: OQNG

Manual Overview

This professional wiring manual provides complete electrical schematics for the Renault Master III U62 platform, allowing technicians and specialists to diagnose electrical faults, trace circuits, and understand communication between control units and vehicle subsystems.

The documentation includes engine management wiring, electrical distribution diagrams, CAN networking, fuse and relay layouts, connector details, lighting systems, dashboard instrumentation, comfort electronics, special equipment circuits, and full harness layouts, organized by subsystem for efficient troubleshooting.

Technical Highlights

• Complete vehicle electrical wiring diagrams

• ECU connector details and component pinouts

• CAN network communication diagrams

• Fuse and relay board layouts

• Power distribution and grounding circuits

• Engine management and diesel system wiring

• Dashboard and instrument cluster circuits

• Lighting and signalling systems

• Passenger comfort and safety wiring

• Special equipment and conversion circuits

• Vehicle harness routing diagrams

Table of Content

Anti-theft

• Anti-theft switch

• Bonnet contact with anti-intrusion alarm

• Bonnet switch

• Front central door locking

• Keyless vehicle and hands-free access

• Rear opening elements locking

• Side door locking

• Transponder

Axle assembly

• Anti-lock braking system and directional stability control

• Handbrake warning light

• Power assisted steering

Connector

• Engine cooling low speed fan resistance

• Starting switch

• Cruise control / limiter / start-stop control

• ABS / ESP computer

• Manual gearbox neutral sensor / reversing lights

• Additional passenger compartment heating

• Video display

• Brake servo vacuum sensor

• Injection computer

• Passenger side electric window control

• Switching protection unit

• Gearbox TDC sensor

• Second row accessories input

• Driver’s front twin electric windows control

• Under steering wheel controls

• Passenger compartment fuse and relay box 2

• Additional heater unit interface

• Brake switch

• Transponder ring

• Passenger compartment fuse and relay box 3

• Economy mode control

• Cold air blower

• Special features supplementary conversion unit

• Air conditioning clutch

• Multiplex line interface unit

• Clutch end of travel switch

• Traction control switch load mode

• Power assisted steering electric pump unit

• Cooling fan unit

• Driver’s window motor

• Passenger electric window motor

• Pressure switch

• Network stabiliser central unit

• Urea injector

• Urea heater pump motor

• Urea pipe heater

• Urea injection electronic control unit

• Urea injection ECU relay

• Upstream NOx sensor

• Downstream NOx sensor

• Power take-off electric control unit

• Fuel pump control module

• Diagnostic socket

• Oil level sensor

• Instrument panel

• Particle sensor

• Preheating unit

• Passenger compartment fuse box and relay

• Radio

• Cooling fan and air conditioning

• Urea quality sensor

• Air conditioning control panel

• Radio satellite control

• Passenger compartment computer

• Navigation computer

• Clutch pedal switch

• Electric window relay

• Air bag / pretensioner computer

• Power supply fuse board

• Hands-free mobile phone microphone

• Injection air flow meter

• Battery current sensor

Driving assistance

• Auto-dimming internal rear-view mirror

• Front camera

• Navigation aerials

• Navigation assistance and communication accessories

• Navigation

• Parking distance control

• Speed regulator

Earth distribution

• Grounds

Electrical distribution

• Battery charge circuit

• Battery current sensor

• Central network stabiliser

• Engine fuse board section 1

• Engine fuse board section 2

• Optional passenger compartment fuse and relay board

• Passenger compartment fuse and relay board

• Protection and switching unit engine section

• Protection and switching unit passenger compartment section

Engine check

• Brake servo vacuum sensor

• Clutch pedal end of travel switch

• Diesel filter heater

• Diesel pre and postheating

• Electronic injection

• Engine cooling system

• Fast idle speed control

• Starting circuit

• Stop & start switch

• Thermoplungers

• Urea injection

• Water in diesel detection

Fuses and Relays

• Fuses and relays

Harness layout

• Harnesses

Networking

• CAN network

On-board instruments

• Brake pad wear light

• Diagnostics socket

• Fuel level and fuel pump

• Instrument panel

• Low brake fluid warning light

• Oil level indicator

• Oil pressure warning light

• Tachograph

• Tyre pressure sensor

Passenger compartment comfort

• Accessories socket

• Additional passenger compartment heating

• Air conditioning compressor

• Air conditioning

• Automatic air conditioning

• Basic heating

• Cigarette lighter

• Courtesy lighting

• Electric rear-view mirrors

• Electric windows

• Heated seats

• Pre-equipment radio

• Radio and communication systems

Passenger compartment safety

• Air bag and seat belt pretensioner

Special equipment

• Additional conversion option

• Additional conversion unit

• CAN core gateway

• Caravan socket

• Caravan supply socket

• Power take-off

• Special equipment operation

Transmission

• Transmission schematic

Visibility and signalling

• Brake light and high-level lights

• Dipped and main beam headlights

• Direction indicators and hazard warning lights

• Electromagnetic horn

• Fixed cornering lights

• Front foglights

• Front side lights

• Front windscreen washer and wiper

• Headlight height adjustment

• Rear foglights

• Rear side lights

• Rear window de-icing

• Reversing lights

• Side marker lights

• Under steering wheel control