Toyota Gaia – fuse and relay

Toyota Gaia was produced in 1998, 1999, 2000, 2001, 2002, 2003 and 2004. During this time, the model has been restyled. In this publication, we will show the location of the electronic control units, a description of the Toyota Gaia fuses and relays with box diagrams and photo examples of their execution. Note the cigarette lighter fuse.

Toyota gaia

Check the purpose of the elements with your diagrams on the box cover.

Passenger compartment


General layout of boxes in the cabin

location gaia


  1. fuel pump relay,
  2. electronic engine control unit,
  3. remote control receiver for central locking (from 04.2001),
  4. rear view camera control unit (up to 04.2000),
  5. central mounting block,
  6. audio system amplifier (up to 04.2001),
  7. TV tuner (up to 04.2000),
  8. rear view camera control unit (from 04.2001),
  9. relay box No. 1 (R / B No. 1),
  10. rear heater relay,
  11. mounting block under the dashboard,
  12. central locking relay (up to 04.2001),
  13. relay box at the bottom of the A-pillar,
  14. ACC relay,
  15. CD changer (up to 04.2001),
  16. deceleration sensor,
  17. SRS control unit,
  18. parking system control unit,
  19. electronic control unit ABS and 4WD, electronic control unit ABS (2WD, up to 04.2001).

Fuse box

The fuse box is located at the bottom of the dashboard behind a protective cover.


Example of a diagram from the box cover




Protected components

17,5A TURN – Direction indicators
27,5A IDLE UP – Electronic engine control unit
330A DOOR – Door locks
47,5A STARTER – Electronic engine control unit
510A TAIL – Dimensions room lighting
620A WIPER – Wipers and washers
710A ECU-IG – ABS, parking system, electronic control unit for all-wheel drive system
815A METER АС – Air conditioning and heater
915A STOP – Stop lights, additional stop light
1015A LITER, RADIO – Clock, radio, CD player, cigarette lighter fuse, mirror control system
117,5A IG – Electronic engine control unit
1230A RR DEF – Heated rear window
1310A RR HEATER – Rear heater
1415A FR FOG – Front fog lights
40A AM1 – Power group contactor of ignition locks
30A POWER – Power windows

The fuse number 10, 15A, is responsible for the cigarette lighter.

Engine compartment


General arrangement of boxes under the hood



  1. ABS modulator (up to 04.2001),
  2. ABS modulator and electronic control unit ABS / EBD / BA (2WD, from 04.2001),
  3. ABS modulator (4WD, from 04.2001),
  4. vacuum sensor in the brake booster circuit (1AZ-FSE),
  5. injector amplifier (1AZ-FSE),
  6. relay box No. 7 (R / B No. 7) (except ZS-TE),
  7. relay box (R / B No. 5) No. 5 (ZS-TE),
  8. right front SRS sensor,
  9. glow plug relay (ZS-TE),
  10. fuse and relay box # 2 (J / B # 2), fuse box and relay box # 2 (R / B # 2),
  11. left front SRS sensor.

Fuse and relay box

Located on the left side of the engine compartment.

Photo 2


Covery diagram


ECU-B – Airbag, ABS system7,5 А
HAZARD – Alarm10 А
RR CLR – Rear air conditioner10 А
AM 2 – Ignition lock30 А
AM 2, FUEL HTR – Ignition switch, fuel heater30 А
RAD №1 – Radio tape recorder15 А
PWR 2 – Driver’s windows30 А
ALT-S – Generator5 А
DOME – Interior lighting, local lighting, luggage compartment lighting, clock10 А
HEAD (LH) – Headlights (left)15 А
HEAD (RH) – Headlights (right)15 А
EFI – Fuel injection system15 А
HORN – Sound signal10 А
HORN, HAZ – Sound signal, alarm15 А
ACC SOCKET, PWR OUTLET – Socket (trunk)15 А
EFI – Injection system relay
ST – Starter relay
HORN – Signal relay
HEAD – Headlight relay
ENG MAIN – Engine Main Relay
FAN – radiator fan relay
HTR – heater relay
ALT – Generator120А
HTR – dispenser50А

Realy box


Photo example of execution

Photo 4


  • ABS – ABS relay
  • ABS MTR – ABS motor relay
  • HEAD LO – Headlight fuse

Realy box 2

Relay 2


Separately, outside the boxes, some additional elements can be attached.

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