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.
Brakes
1 documented fault — symptoms, causes and workshop fixes.
Abnormal noise from rear brakes when braking
Overview
- Affects
- All models with 1NZ-FXE engine code.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Poor material characteristics of rear brake pads.
Repair
- Inspect rear brake discs for excessive corrosion, replace if necessary.
- Fit modified rear brake pads.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Rear brake pad kit | 04466-0D050 | 1 |
| Rear brake disc | 42431-0D060 | 2 |
Data: Motorwise Workshop. Bulletin 4.
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 5.
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 1.5 Hybrid Synergy Drive?
This guide contains five workshop bulletins for the Toyota Yaris 1.5 Hybrid Synergy Drive. 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 1.5 Hybrid Synergy Drive 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 1.5 Hybrid Synergy Drive faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.