Most electrical circuits in this vehicle are protected by fuses, while high-current components are switched via relays. Protective components are housed in junction boxes located in both the passenger compartment and the engine compartment.
This fuse circuit allocation applies to Toyota Avensis Verso (chassis codes ACM20, CLM20; MC platform) models manufactured from 2001 through 2009, equipped with 1AZ-FE (2.0 L) and 2AZ-FE (2.4 L) gasoline engines.
Passenger Compartment
Component Location: 1 — Engine Immobilizer ECU, 2 — Rear Heater “EX-HI” Mode Relay, 3 — Rear Heater Relay, 4 — A/C Amplifier (Manual Air Conditioning), 5 — Camera Control Module, 6 — Main Junction Box No. 1, 7 — Front Fog Lamp Relay, 8 — Engine and ECT ECU (Automatic Transmission models) or Engine ECU (Manual Transmission models), 9 — Blower Motor Relay (M2), 10 — Blower Motor Relay (M1), 11 — A/C and Heater Control Panel Assembly (Manual A/C), 12 — Antenna Amplifier, 13 — SRS ECU, 14 — Transponder Key Amplifier, 15 — Auxiliary Heater Amplifier (1AZ-FE engine models), 16 — Blower Motor Relay (HI), 17 — Under-Dash Fuse Box , 18 — Multiplex Body ECU, 19 — Accessory (ACC) Relay, 20 — Turn Signal / Hazard Flasher Relay, 21 — Fuel Pump Relay, 22 — Theft Deterrent ECU, 23 — Audio Head Unit and Multifunction Display.
Fuse Box
General View.
| Diagram | ||
|---|---|---|
|
||
| Code | Circuit Protected | Rating (A) |
| ECU-ACC |
|
7.5 |
| ECU-IG |
|
7.5 |
| GAUGE |
|
7.5 |
| PANEL |
|
7.5 |
| HTR |
|
10 |
| IGN |
|
10 |
| MIR HTR | Heated rear window and heated mirrors | 10 |
| RR HTR | Rear heater | 10 |
| SEAT HTR | Seat heaters | 10 |
| SRS-IG | Supplemental Restraint System (SRS) | 10 |
| TAIL | Tail lamps / Parking lamps | 10 |
| C / LTR | Cigarette lighter and accessory power socket | 15 |
| FR FOG |
|
15 |
| PWR OUTLET |
Cigarette lighter and accessory power socket | 15 |
| STOP |
|
15 |
| RR DEF | Heated rear window and heated mirrors | 20 |
| AM1 | Starting and ignition system (1AZ-FE) | 25 |
| DOOR |
|
25 |
| DOOR No. 2 |
Theft deterrent system | 25 |
| WIPER |
|
25 |
| FR P / W | Front power windows | 30 |
| PWR |
|
30 |
Engine Compartment
Component Location:
- Engine Compartment Relay Box No. 4,
- Engine Compartment Fuse Box No. 2,
- Headlamp Washer Relay,
- ABS Hydraulic Unit & ECU,
- ABS Relay Box,
- Glow Plug Relay (1CD-FTV).
Fuse Box No. 2
Item No. 2 in the diagram.
General View.
| Diagram | ||
|---|---|---|
|
||
| Code | Circuit Protected | Rating (A) |
| ALT-S | Charging system | 7.5 |
| ECU-B |
|
7.5 |
| OBD | Engine management system (1AZ-FE engine models) | 7.5 |
| Rr Fog | Rear fog lamp | 7.5 |
| DOME | Interior / courtesy lamps | 10 |
| HORN | Horn | 10 |
| A / F | Air-Fuel ratio sensor / Engine management system (1AZ-FE engine models) | 15 |
| EFI |
|
15 |
| HAZ | Turn signals and hazard warning lights | 15 |
| HEAD LH LWR |
|
15 |
| HEAD LH UPR | High-beam headlamp (LH) | 15 |
| HEAD RH LWR |
|
15 |
| HEAD RH UPR |
|
15 |
| IG2 |
|
15 |
| RAD # 1 | Radio / Audio system | 15 |
| AM2 | Starting and ignition system (1AZ-FE) | 30 |
| CDS | Condenser fan / Cooling fan drive (1AZ-FE) | 30 |
| FUEL HTR | Fuel heater | 30 |
| HEAD LP CLN | Headlamp washer / cleaner | 30 |
| RDI | Radiator cooling fan drive (1AZ-FE) | 30 |
| RR CLR | Rear air conditioning system | 30 |
| ABS No. 1 | Anti-lock Braking System (ABS) | 40 |
| ABS No. 2 | 40 | |
| HTR | Front air conditioning / heater blower motor | 50 |
| MAIN | Main headlamp fuse | 50 |
| ALT |
|
140 |
Relay Box No. 2
Diagram.
|
||
| ST |
|
7.5 A |
Relay Box No. 4
Diagram.
|
||
| HTR SUB1 | Auxiliary heater (1AZ-FE engine models) | 50 A |
| HTR SUB2 | ||
| HTR SUB3 | ||
ABS Relay Box No. 5
Diagram.
|
Body Electrical Components
Component Location:
- Power sunroof control relay
- Rear air conditioning relay
- Rear window wiper relay
- Wireless door lock receiver