Table of Contents
Most of the electrical circuits in the Japanese sedan's are protected by fuses. Powerful current consumers are connected via relays. Protective elements are installed in distribution boxes, which are located in the engine compartment and the passenger compartment.
The above diagrams are relevant for Toyota Premium (T260) cars 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 2WD & 4WD with 1NZ-FE (1.5 l), 2ZR-FE (1.8 l) and 3ZR engines -FAE (2.0 l).
In the passenger compartment
Location of components (dashboard). 1 - headlight range control unit, 2 - distribution fuse block under the dashboard, 3 - connectors (CAN), 4 - transponder amplifier, 5 - air ionizer, 6 - EPS electronic control unit, 7 - EntQr & Start system control unit, 8 - Control unit switch lock, 9 - RS electronic control unit, 10 - parking system control unit (models with a rear view camera), 11 - electric drive and steering column lock control unit, 12 - router, 13 - parking system control unit (models with rear system sensors parking).
| Under-dash fuse and relay box diagram | ||
|---|---|---|
|
||
| Code | Description | A |
| ACC |
|
7.5 |
| IGN |
|
7.5 |
| AM1 | Start system (models without Entry & Start system) | 7.5 |
| METER |
|
7.5 |
| PANEL |
|
7.5 |
| OBD |
|
7.5 |
| RR FOG |
|
7.5 |
| ECU-IG #1 |
|
10 |
| ECU-IG No.2 |
|
10 |
| HTR-IG |
|
10 |
| MIR HTR |
|
10 |
| STOP |
|
10 |
| TAIL |
|
10 |
| CIG | Cigarette lighter fuse | 15 |
| D S-HTR | Heated driver's seat | 15 |
| FR FOG |
|
15 |
| P S-HTR | Heated passenger seat | 15 |
| RR WIPER |
Rear window wiper and washer | 15 |
| WASHER | Windshield and rear window wiper and washer | 15 |
| FR DOOR | Power windows | 20 |
| RL DOOR | ||
| RR DOOR | ||
| DOOR |
|
25 |
| WIPER |
|
25 |
| DEF | Heated rear window and mirror heaters | 30 |
| POWER | Power windows | 30 |
| PWR SEAT | Power driver's seat | 30 |
In the engine compartment
Location of components. 1 - pressure modulator / ABS electronic control unit, 2 - fuse box, 3 - electronic engine control unit.
General view of the distribution box.
| Engine compartment fuse and relay box diagram | ||
|---|---|---|
|
||
| Code | Decoding | A |
| AM2 No. 2 | - Starting system (models with Entry & Start) - Push- button start system - Shift lock (models with Entry & Start) - Steering column lock - Central locking, Entry & Start and anti-theft system - Power windows - Seat belt warning and tension release system - Ignition key left warning system and lights not switched off - headlamps - Automatic headlamps range control - Fog lamps and rear fog lamps - Marker lamps and license plate lamps - Backlight - Interior lamps - Air conditioning - Multiplex data bus (CAN) - Parking system (models with reversing camera) |
7.5 |
| IG2 # 2 | 1NZ-FE Engine management system; 2ZR-FE engine and variator and immobilizer system |
7.5 |
| DOME | Interior lamps | 10 |
| ECU-B | - Charging system - Engine and CVT control system, immobilizer system and cruise control system - Anti-lock braking system (ABS) (models without VSC) - Vehicle control systems (VSC and ABS) - Security system (SRS) - Electric power steering ( EPS) - Central locking, Entry & Start system and anti-theft system - Power windows - Seat belt warning system and tension release system - Warning system for the left in the ignition switch and the lights not switched off - Instrument cluster - Radio, navigation system and parking sensors - Automatic headlight range control - Marker lamps and license plate lamps - Reversing lamps - Interior lamps - Air conditioning - Multiplex data bus (CAN) - Heated rear window and mirror defrosters |
10 |
| ECU-B2 | - Push-button start system - Engine and CVT control system, immobilizer system and cruise control system - Central locking, Entry & Start system and anti-theft system - Power windows - Air conditioning - Heated rear window and mirrors |
10 |
| EFI # 1 | 3ZR-FAE engine and CVT management system, immobilizer system and cruise control system | 10 |
| EFI # 2 | ||
| ETCS | Engine and CVT control system, immobilizer system and cruise control system | 10 |
| H-LP LH HI |
Headlamps | 10 |
| H-LP LH LO |
Headlamp (models without xenon ) | 10 |
| H-LP RH HI |
- Instrument cluster - Headlamps |
10 |
| H-LP RH LO |
Headlamps (models without xenon) | 10 |
| HORN | - Central locking, Entry & Start system and anti-theft system - Horn |
10 |
| TURN-HAZ | Direction indicators and hazard warning lamps | 10 |
| H-LP LH LO | Headlamps (models with xenon) | 15 |
| H-LP RH LO | ||
| IG2 | - 1NZ-FE engine and variator control system and immobilizer system - 2ZR-FE engine and variator control system and immobilizer system |
15 |
| IGT / INJ | 3ZR-FAE engine and CVT management system, immobilizer system and cruise control system | 15 |
| RAD # 1 | Audio system, navigation system and parking system | 15 |
| EFI MAIN | Engine and CVT control system, immobilizer system and cruise control system | 20 |
| FR DEICER | De-icer brushes | 20 |
| STRG LOCK | Steering lock system | 20 |
| ABS No. 3 | Anti-lock braking system (ABS) (models without VSC) Vehicle control systems (VSC and ABS) |
30 |
| AM2 | Launch system | 30 |
| HTR SUB # 1 |
Air conditioning | 30 |
| HTR SUB # 2 |
||
| HTR SUB # 3 |
||
| P-SYSTEM | Engine and CVT control system, immobilizer system and cruise control system | 30 |
| RDI FAN | Fan electric drive | 40 |
| ABS No. 1 | - Anti-lock braking system (ABS) (models without VSC) - Vehicle control systems (VSC and ABS) |
40 |
| H-LP MAIN | - Headlamps - Automatic headlamp range control |
50 |
| HTR | Air conditioning | 50 |
| EPS | Electric power steering (EPS) | 60 |
| ALT |
|
120 |
