Renault Laguna Wiring Diagrams
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Key to circuits

Diagram 1 Information for wiring diagrams
Diagram 2 Starting, charging, Diesel fuel shut-off, engine cooling fan
Diagram 3 Diesel fuel heater, pre and post heating
Diagram 4 Turbo Diesel pre and post heating, ABS
Diagram 5 Automatic transmission, air bag/pretensioners, variable power steering
Diagram 6 Fuel injection Bosch monopoint
Diagram 7 Fuel injection (Bendix Siemens MPi)
Diagram 8 Instrument cluster
Diagram 9 Instrument cluster
Diagram 10 Speed sensor, clock/external temperature gauge, heater blower
Diagram 11 Rear wash/wipe, headlight washer, sidelights and headlights
Diagram 12 Heated front/rear screen, heated washer jets, windscreen wash/wipe
Diagram 13 Stop, reversing,fog and direction indicator lights
Diagram 14 Headlight levelling, interior lighting,glove box and boot light
Diagram 15 Rheostat interior lighting, audio system, central locking
Diagram 16 Electric mirrors and windows

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Summary of Contents for Renault Laguna

  • Page 1 RENAULT LAGUNA wiring diagrams Key to circuits Diagram 1 Information for wiring diagrams Diagram 2 Starting, charging, Diesel fuel shut-off, engine cooling fan Diagram 3 Diesel fuel heater, pre and post heating Diagram 4 Turbo Diesel pre and post heating, ABS...
  • Page 2 RENAULT LAGUNA wiring diagrams Diagram 1 Key to symbols Earth locations Key to circuits Diagram 1 Information for wiring diagrams Below RH rear light cluster Bulb Diagram 2 Starting, charging, Diesel fuel shut-off, Below LH rear light cluster engine cooling fan,...
  • Page 3 Wire colours Key to items Diagram 2 BA White JA Yellow Battery Cooling fan switch (single temperature) Ignition switch 10 Cooling fan switch (dual temperature) BE Blue MA Brown Engine compartment fuse box 11 Cooling fan motor BJ Beige NO Black Passenger compartment fuse box 12 Cooling fan relay CY Clear...
  • Page 4 Wire colours Key to items Diagram 3 BA White JA Yellow Battery 20 Glow plugs 23 Altitude capsule Ignition switch 21 Pump unit 24 Coolant temperature sensor BE Blue MA Brown Engine compartment fuse box a = advance/retard valve 25 Fast idle solenoid valve BJ Beige NO Black Passenger compartment fuse box...
  • Page 5 Wire colours Key to items Diagram 4 BA White JA Yellow Battery 24 Coolant temperature switch 37 ABS connection plate Ignition switch 25 Fast idle solenoid valve a = ABS main relay BE Blue MA Brown Engine compartment fuse box 27 EGR relay b = ABS pump relay BJ Beige...
  • Page 6 Wire colours Key to items Diagram 5 BA White JA Yellow Battery 48 Line pressure sensor 56 Driver’s airbag/cruise control switch Ignition switch 49 Throttle potentiometer 57 Passenger’s airbag BE Blue MA Brown Engine compartment fuse box 50 Speed sensor 58 Driver’s seatbelt pretensioner BJ Beige NO Black...
  • Page 7 Wire colours Key to items Diagram 6 BA White JA Yellow Battery 67 Ignition power module 74 Knock sensor Ignition switch 68 Fuel pump relay 75 MAP sensor BE Blue MA Brown Engine compartment fuse box 69 Injection locking relay 76 Throttle body BJ Beige NO Black...
  • Page 8 Wire colours Key to items Diagram 7 BA White JA Yellow Battery 67 Ignition power module 74 Knock sensor Ignition switch 68 Fuel pump relay 75 MAP sensor BE Blue MA Brown Engine compartment fuse box 69 Injection locking relay 77 Throttle potentiometer BJ Beige NO Black...
  • Page 9 Wire colours Key to items Diagram 8 BA White JA Yellow Battery = high coolant temp. tell-tale = auto. trans. tell-tale f1 = tachometer Ignition switch = seatbelt tell-tale u = LH indicator tell-tale 86 Oil pressure switch BE Blue MA Brown Engine compart.
  • Page 10 Wire colours Key to items Diagram 9 BA White JA Yellow Battery 88 Low brake fluid switch 95 Oil temperature sensor (Diesel) Ignition switch 89 LH pad wear sensor 96 Combined oil level/temperature BE Blue MA Brown Engine compart. fuse box 90 RH pad wear sensor sensor (petrol) BJ Beige...
  • Page 11 Wire colours Key to items Diagram 10 BA White JA Yellow Battery 103 Horn Ignition switch 104 Clock and external temperature gauge BE Blue MA Brown Engine compartment fuse box 105 Passenger side electric mirror BJ Beige NO Black Passenger compartment fuse box 106 Heater blower motor CY Clear OR Orange...
  • Page 12 Wire colours Key to items Diagram 11 BA White JA Yellow Battery 113 Heated windscreen relay Ignition switch 114 Heated windscreen BE Blue MA Brown Engine compartment fuse box 115 Heated washer jet BJ Beige NO Black Passenger compartment fuse box 116 Windscreen wiper timer CY Clear OR Orange...
  • Page 13 Wire colours Key to items Diagram 12 BA White JA Yellow Battery 122 Headlight washer timer relay 128 RH headlight unit Ignition switch 123 Headlight washer pump a = sidelight BE Blue MA Brown Engine compartment fuse box 124 Number plate light b = dip beam BJ Beige NO Black...
  • Page 14 Wire colours Key to items Diagram 13 BA White JA Yellow Battery 126 RH rear light cluster 136 RH front foglight Ignition switch b = stop light 137 LH front direction indicator BE Blue MA Brown Engine compartment fuse box c = direction indicator 138 LH direction indicator side repeater BJ Beige...
  • Page 15 Wire colours Key to items Diagram 14 BA White JA Yellow Battery 149 Glove box light switch 158 Front interior light Ignition switch 150 Luggage compartment light 159 LH rear interior light BE Blue MA Brown Engine compartment fuse box 151 Luggage compartment light switch 160 RH rear interior light BJ Beige...
  • Page 16 Wire colours Key to items Diagram 15 BA White JA Yellow Battery 167 Audio unit 176 Driver’s central locking motor Ignition switch 168 Satellite cointrol unit 177 Passenger’s central locking motor BE Blue MA Brown Engine compartment fuse box 169 LH front speaker 178 LH rear central locking motor BJ Beige NO Black...
  • Page 17 Wire colours Key to items Diagram 16 BA White JA Yellow Battery 188 Driver’s electric window switch Engine compartment fuse box 189 Driver’s switch for passenger window BE Blue MA Brown Passenger compartment fuse box 190 Passenger’s electric window switch BJ Beige NO Black 185 Electric mirror switch...

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