Engine & fuel system
4 documented faults — symptoms, causes and workshop fixes.
Engine malfunction indicator lamp (MIL) illuminated
Overview
- Affects
- All models with 1.4 Diesel engine, →08/08.
- Fault codes
P0487- Remedy
- Fit modified part
Symptoms
Trouble code stored: P0487.
Cause
Engine control module (ECM) software fault.
Repair
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Fit modified engine control module (ECM).
Data: Motorwise Workshop. Bulletin 6.
Whistling noise at approximately 1600rpm from engine bay
Cause
Poor manufacture of turbocharger (TC).
Repair
- Fit modified turbocharger (TC).
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Turbocharger (TC) | 17201-ON030 | 1 |
Data: Motorwise Workshop. Bulletin 9.
Poor cold starting
Overview
- Affects
- All models with 1ND-TV engine code, →12/09.
- Remedy
- Software update
Symptoms
Erratic idle when started from cold.
Cause
Faulty fuel injectors.
Engine control module (ECM) software fault.
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program ECM with upgraded software.
- Inspect part number on fuel injectors. If part number 23670-33050, replace fuel injectors.
Parts
| Part | Part number | Qty |
|---|---|---|
| Fuel injector | 23670-33051 | 4 |
Data: Motorwise Workshop. Bulletin 11.
Engine oil leak from cylinder head area
Cause
Cylinder head cover gasket damaged during assembly.
Repair
- Fit modified cylinder head cover gasket.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Cylinder head cover gasket | 11213-33031 | 1 |
Data: Motorwise Workshop. Bulletin 16.
Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
No sound from speakers, even though audio unit switched on
Audio unit failure due to water ingress through roof aerial base.
Overview
- Affects
- All models.
Repair steps
- Check aerial lead for water ingress or corrosion. Replace as necessary.
- Remove roof aerial base.
- Apply sealant to roof aerial base and refit.
- Replace audio unit.
Data: Motorwise Workshop. Bulletin 12.
Brakes
6 documented faults — symptoms, causes and workshop fixes.
RH handbrake cable not secured correctly
Overview
- Affects
- All models built in France with rear disc brakes, →07/08.
- Remedy
- Fit modified part
- Parts
- 1 part
Cause
RH handbrake cable retaining clip faulty Fig.119609.1 .
Repair
- Fit modified RH handbrake cable.
- Replacement handbrake cable retaining clip not available separately.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| RH handbrake cable | 46420-0D060 | 1 |
Data: Motorwise Workshop. Bulletin 1.
ABS warning lamp illuminated
Symptoms
Possible trouble codes stored: C0210/33, C0215/34, C1332/37, C1333/38, C1241/41.
Cause
Water ingress into rear ABS wheel speed sensor(s) and wiring harness causing corrosion.
Repair
- Fit modified rear ABS wheel speed sensor and wiring harness.
Parts6 parts
| Part | Part number | Qty |
|---|---|---|
| Wiring harness, RH - except 1,8 | 89516-0D070 | 1 |
| Wiring harness, LH - except 1,8 | 89516-0D080 | 1 |
| Rear ABS wheel speed sensor - except 1,8 | 89544-0D030 | 2 |
| Wiring harness, RH - 1,8 | 89516-52090 | 1 |
| Wiring harness, LH - 1,8 | 89516-52100 | 1 |
| Rear ABS wheel speed sensor - 1,8 | 89544-52040 | 2 |
Data: Motorwise Workshop. Bulletin 3.
ABS warning lamp, brake system warning lamp and ESP warning lamp illuminated
Symptoms
Trouble code stored in ABS control module fault memory: C1246.
Cause
Internal failure of ABS hydraulic modulator due to corrosion.
Repair
- Fit new ABS hydraulic modulator.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| ABS hydraulic modulator | 44050-0D041 | 1 |
Data: Motorwise Workshop. Bulletin 7.
Squeal from rear brakes
Symptoms
Rear brake pads sticking.
Cause
Unsatisfactory design of rear brake pads.
Repair
- Fit modified rear brake pads.
Data: Motorwise Workshop. Bulletin 13.
Grinding noise from rear wheels
Overview
- Affects
- All models built in France with rear drum brakes, →04/11.
- Parts
- 3 parts
Cause
Insufficient clearance between rear brake drum and back plate.
Excessive play in rear wheel bearing.
Repair
- Check for excessive free play in rear wheel bearing. Replace component(s) as necessary.
- Check for adequate clearance between rear brake drum and back plate. Replace component(s) as necessary.
Parts3 parts
| Part | Part number | Qty |
|---|---|---|
| RH rear brake drum back plate | 47043-0950 | 1 |
| LH rear brake drum back plate | 47044-0950 | 1 |
| Rear wheel bearing kit | 42450-0D05G | 1 |
Data: Motorwise Workshop. Bulletin 14.
Engine malfunction indicator lamp (MIL) illuminated. Possible trouble codes stored: C1249, P0571
Overview
- Affects
- All models built in France, →12/09.
- Fault codes
C1249P0571
Cause
Brake pedal position (BPP) switch incorrectly fitted.
Repair
- Check operation of BPP switch, replace if necessary.
- Ensure BPP switch fitted correctly.
Data: Motorwise Workshop. Bulletin 15.
Steering
1 documented fault — symptoms, causes and workshop fixes.
Abnormal noise from steering when steering wheel turned
Cause
Unsatisfactory design of steering column.
Repair
- Fit modified steering column.
Data: Motorwise Workshop. Bulletin 8.
Clutch & gearbox
1 documented fault — symptoms, causes and workshop fixes.
Rattling noise from clutch assembly with engine idling and clutch pedal fully released
Overview
- Affects
- All models with 1ND-TV engine code.
- Remedy
- Fit modified part
- Parts
- 3 parts
Cause
Unsatisfactory design of clutch assembly.
Repair
- Fit modified clutch assembly.
- Renew concentric clutch slave cylinder.
Parts3 parts
| Part | Part number | Qty |
|---|---|---|
| Clutch assembly - except ASM transmission | 31250-52131 | 1 |
| Clutch assembly - ASM transmission | 31250-52151 | 1 |
| Concentric clutch slave cylinder | Refer to manufacturer | 1 |
Data: Motorwise Workshop. Bulletin 10.
Body & trim
3 documented faults — symptoms, causes and workshop fixes.
Difficult to unlock front doors using key
Symptoms
Key remote control has to be pressed several times to unlock doors.
Cause
Unsatisfactory design of front door lock mechanism.
Repair
- Fit modified door lock mechanisms.
Data: Motorwise Workshop. Bulletin 2.
Wind noise from door mirror when driving at approximately 60mph (100kph)
Cause
Door mirror mounting trim cover not fitted correctly.
Repair
- Ensure door mirror mounting trim cover fitted correctly.
Data: Motorwise Workshop. Bulletin 4.
Tailgate fails to fully open
Cause
Tailgate gas struts faulty.
Repair
- Renew tailgate gas struts.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Gas strut - RH | 68950-0D022 | 1 |
| Gas strut - LH | 68960-0D012 | 1 |
Data: Motorwise Workshop. Bulletin 5.
Glossary
Technical terms used in this guide.
- ECM
- Engine control module — the electronic unit that manages the engine
- ABS
- Anti-lock braking system — stops the wheels locking under hard braking
- BPP Switch
- Brake pedal position switch — behind the pedal, it triggers the brake lights
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- BPP
- Brake pedal position — the switch behind the pedal that triggers the brake lights
- RH
- Right-hand — the right side of the vehicle as you sit in it
- RHD
- Right-hand drive — steering wheel on the right
- TC
- Turbocharger — the exhaust-driven compressor that boosts engine power
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Fault Memory
- The list of stored trouble codes in a control module
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
- Wheel Speed Sensor
- A sensor at each wheel used by ABS and stability control
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
Frequently asked questions
What are the common faults with the Toyota Yaris 1.4 D-4D?
This guide contains 16 workshop bulletins for the Toyota Yaris 1.4 D-4D. Of these, six concern the brakes and four the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Yaris 1.4 D-4D 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 1.4 D-4D faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.