Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Unable to remove in-tank fuel pump
Overview
- Affects
- All models with in-tank fuel pump assembly retaining ring.
- Remedy
- Fit new part
Cause
Retaining ring for fuel pump assembly seized to fuel tank.
Repair
- Cut through retaining ring to enable removal from fuel tank. Avoid damaging fuel tank threads.
- Inspect fuel tank threads for damage. If fuel tank threads damaged or new retaining ring will not tighten: Fit new fuel tank.
Data: Motorwise Workshop. Bulletin 1.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Unable to turn ignition switch with key
Cause
Unsatisfactory design of ignition switch.
Repair
- Fit modified ignition switch and steering column lock.
Data: Motorwise Workshop. Bulletin 5.
Body & trim
2 documented faults — symptoms, causes and workshop fixes.
Whistling noise from rear of vehicle at constant speed between 40-50mph (60-80kph)
Cause
Unsatisfactory design of roof aerial.
Repair
- Fit modified roof aerial.
Data: Motorwise Workshop. Bulletin 2.
Tailgate difficult to open/close
Cause
Unsatisfactory design of tailgate weather seal.
Repair
- Fit modified tailgate weather seal.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Tailgate weather seal | 67881-0D071 | 1 |
Data: Motorwise Workshop. Bulletin 3.
Other
1 documented fault — symptoms, causes and workshop fixes.
Parking aid warning devices activated with no obstructions present
Overview
- Affects
- All models with parking aid control.
- Remedy
- Fit new part
- Parts
- 1 part
Cause
Parking aid control module faulty.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit new parking aid control module.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Parking aid control module | PW501-0D550 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Glossary
Technical terms used in this guide.
- DAB
- Digital audio broadcast — digital radio
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- In-Tank Fuel Pump
- The fuel pump mounted inside the fuel tank
- Parking Aid
- The reversing/parking sensors and their control module
Frequently asked questions
What are the common faults with the Toyota Yaris 1.33 VVT-i?
This guide contains five workshop bulletins for the Toyota Yaris 1.33 VVT-i. Of these, two concern the body and trim and one the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Yaris 1.33 VVT-i have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Toyota Yaris 1.33 VVT-i faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.