The third-generation Land Cruiser Prado replaced the J90 series in 2002, receiving the "120" series designation. Like its predecessor, it was available in 5-door (J120) and 3-door (J125) body styles. Compared to the 90 series, the model was noticeably more comfortable, better equipped, and slightly larger in size. Highlighting its technical advancements, Toyota introduced new electronic assistance systems for hill start and downhill descent control.
Fuse box diagrams and relay layouts for Toyota Land Cruiser Prado 3 (chassis codes J120/J125; model years 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009).
Engine Compartment
Component Location:
- Relay box No. 1,
- Fuse box,
- Relay box No. 2,
- Headlight cleaner relay,
- Stability control ECU (without VSC),
- Relay box No. 3 (LHD),
- Relay box No. 3 (RHD)
Component location.
Fuse Box
Overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 1 | Spare fuse | 10 |
| 2 | 15 | |
| 3 | Cooling fan | 20 |
| 4 | Rear air conditioning | 30 |
| 5 | Heated mirrors | 10 |
| 6 | Stop lights, high-mounted stop light, shift lock, ABS, VSC, A-TRC, rear height control air suspension | 10 |
| 7 | Unused | - |
| 8 | Front fog lights | 15 |
| 9 | Viscous heater | 7.5 |
| 10 | On-board diagnosis system (OBD) | 7.5 |
| 11 | Low beam (right) | 10 |
| 12 | Low beam (left) | 10 |
| 13 | High beam (right) | 10 |
| 14 | High beam (left) | 10 |
| 15 | Oxygen sensor, mass air flow sensor | 10 |
| 16 | Air conditioning system | 7.5 |
| 17 | Rear window defogger | 30 |
| 18 | Rear height control air suspension | 10 |
| 19 | Fuel heater | 20 |
| 20 | Seat heaters | 20 |
| 21 | Interior lights, personal lights, wireless remote control system, ignition switch light, door courtesy lights | 10 |
| 22 | Audio system | 20 |
| 23 | ABS, VSC, A-TRC, air conditioning, cool box, power windows | 10 |
| 24 | Body ECU | 10 |
| 25 | Short pin | - |
| 26 | Charging system | 7.5 |
| 27 | Unused | - |
| 28 | Horns | 10 |
| 29 | Air-fuel ratio sensor | 15 |
| 1KD-FTV: Fuel pump | 15 | |
| 30 | Turn signal lights, hazard warning lights | 15 |
| 31 | Multiport fuel injection system / sequential multiport fuel injection system (EFI) | 10 |
| 32 | Fuel pump ECU, fuel pump, EFI system | 20 |
| 1KD-FTV : Fuel pump ECU, fuel pump, EFI system | 25 | |
| 33 | Driver's power window | 20 |
| 34 | Power door lock system | 25 |
| 35 | Unused | - |
| 36 | Audio system | 30 |
| 37 | Without PTC heater : Rear window defogger relay, ignition relay, fuses: "HEATER", "CDS FAN", "AM1", "J/B", "VISCUS", "OBD", "MIR HEATER", "STOP", "FR FOG", "AIRSUS", "RR A/C" | 120 |
| With PTC heater : Rear window defogger relay, ignition relay, fuses: "HEATER", "CDS FAN", "AM1", "J/B", "VISCUS", "OBD", "MIR HEATER", "STOP", "FR FOG", "PTC-1", "PTC-2", "PTC-3", "AIRSUS", "RR A/C" | 140 | |
| 38 | Air conditioning system | 50 |
| 39 | Rear height control air suspension | 50 |
| 40 | Fuses: "ACC", "CIG", "IG1", "IG1 NO.2", "ECU-IG", "FR WIP-WSH", "RR WIP", "RR WSH", "DIFF", "TEMS", "STA" | 50 |
| 41 | PTC heater | 40 |
| 42 | Fuses: "PWR OUTLET", "P FR P/W", "P RR P/W", "D RR P/W", "DP/SEAT", "PP/SEAT", "POWER", "TAIL", "PANEL" | 50 |
| 43 | PTC heater | 40 |
| 44 | 40 | |
| 45 | ABS, VSC, A-TRC | 40 |
| 46 | Starting system, fuses: "IGN", "GAUGE", "SRS" | 30 |
| 47 | Without VSC: ABS | 30 |
| With VSC: ABS, VSC, A-TRC | 50 | |
| 48 | Glow plug system | 80 |
| Relays | ||
| R1 | Cooling fan | |
| R2 | Accessory cut-off relay (ACC CUT) | |
| R3 | Front fog lights | |
| R4 | Starter | |
| R5 | Ignition | |
| R6 | Blower motor / Heater | |
| R7 | A/C magnetic clutch | |
| R8 | Unused | |
| R9 | Rear window defogger | |
| R10 | ABS pump | |
| R11 | Active traction control (A-TRC) | |
| R12 | ABS solenoid | |
| R13 | Downhill assist control (DAC) | |
| R14 | Circuit opening relay (C/OPN) or EDU | |
| R15 | Unused | |
| R16 | EFI main relay (Engine ECU) | |
| R17 | Air-fuel ratio sensor | |
| R18 | Fuel pump relay | |
| R19 | Headlights | |
Relay Boxes
Layout diagram.
| No. | Name |
| Relay Box No. 1 | |
|
|
| R1 | Starter |
| R2 | Glow plugs |
| Relay Box No. 2 | |
|
|
| R1 | Rear height control air suspension |
| R2 | Dimmer (with daytime running lights) |
| Relay Box No. 3 | |
|
|
| R1 | PTC heater (No. 1, 2, 3) |
| R2 | |
| R3 | |
Passenger Compartment
Component location.
Fuse Box
Overview.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | A |
| 1 | Fuel pump ECU, EFI system, ABS, VSC, A-TRC | 10 |
| 2 | SRS airbag system | 10 |
| 3 | Instrument cluster | 7.5 |
| 4 | Multiport fuel injection system / sequential multiport fuel injection system (EFI) | 7.5 |
| 5 | Windshield wiper and washer | 30 |
| 6 | TEMS (Toyota Electronic Modulated Suspension) | 20 |
| 7 | Rear differential lock, center differential lock | 20 |
| 8 | Rear wiper | 15 |
| 9 | Unused | - |
| 10 | LHD: Power driver's seat | 30 |
| RHD: Power passenger seat | 30 | |
| 11 | LHD: Power passenger seat | 30 |
| RHD: Power driver's seat | 30 | |
| 12 | Power outlet | 15 |
| 13 | Air conditioning, cool box | 10 |
| 14 | Rear window washer | 15 |
| 15 | Shift lock, power windows, ABS, VSC, A-TRC, air conditioning, power moonroof, power outlets | 10 |
| 16 | ABS, VSC, A-TRC, air conditioning, charging system, rear window defogger, back-up lights, turn signal lights, hazard warning lights | 10 |
| 17 | Fuel pump ECU | 7.5 |
| 18 | Front passenger power window | 20 |
| 19 | LHD: Rear right power window | 20 |
| RHD: Rear right power window | 20 | |
| 20 | LHD: Rear left power window | 20 |
| RHD: Rear left power window | 20 | |
| 21 | Instrument panel illumination | 10 |
| 22 |
|
10 |
| 23 | Automatic transmission ECU, power outlets, power mirrors, audio system | 7.5 |
| 24 | Cigarette lighter fuse | 10 |
| 25 | Power windows, power moonroof | 30 |
| Relays | ||
|
||
| R1 | Horns | |
| R2 | Tail lights / Parking lights | |
| R3 | Power main relay (windows, moonroof) | |
| R4 | Power outlet relay (ACC SKT) | |
Relay Box
Layout diagram.
|
|
| No. | Name |
| R1 | Instrument panel illumination |
| R2 | Back-up lights |
| R3 | Outside rear view mirror heaters |