Electrical & ignition
1 documented fault — symptoms, causes and workshop fixes.
Creaking noise when retractable door mirror is operated
Door mirror wiring harness incorrectly routed.
Overview
- Affects
- All models with retractable door mirrors, →03/16.
Symptoms
Retractable door mirrors inoperative or slow to fold in.
Repair steps
- Remove door mirror cover.
- Ensure wiring harness not trapped under door mirror housing moulding edge in area indicated.
- Re-route door mirror wiring harness as necessary. Ensure wiring harness has adequate free play.
Data: Motorwise Workshop. Bulletin 2.
Brakes
2 documented faults — symptoms, causes and workshop fixes.
Rattling noise from front brakes over uneven surfaces
Cause
Unsatisfactory design of front brake caliper carrier.
Repair
- Fit modified front brake caliper carriers.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Front brake caliper carrier | 47721-09560 | As required |
Data: Motorwise Workshop. Bulletin 1.
Lack of brake servo assistance when braking
Overview
- Affects
- All models with 1WW/2WW engine codes.
- Remedy
- Fit modified part
- Parts
- 2 parts
Cause
Oil contamination of brake servo causing damage to servo diaphragm.
Repair
- Inspect brake servo for internal oil contamination.
- If oil is found: Fit modified brake servo vacuum hose with additional non-return valve Fit new brake servo.
Parts2 parts
| Part | Part number | Qty |
|---|---|---|
| Servo vacuum hose LHD | 44750-64040 | 1 |
| Servo vacuum hose RHD | 44750-64050 | 1 |
Data: Motorwise Workshop. Bulletin 5.
Steering
1 documented fault — symptoms, causes and workshop fixes.
Increased engine noise in passenger compartment
Steering column sealing boot cracked/damaged. Fix: fit a new part.
Overview
- Affects
- All LHD models.
- Remedy
- Fit new part
Symptoms
Driver's footwell carpet wet after heavy rain. Steering operation not smooth when manoeuvring or parking.
Repair steps
- Remove steering column sealing boot and discard.
- Fit protective cover to new steering column sealing boot Secure protective cover with retaining strap, ensure a clearance of 0.5 - 1.5 mm.
- Fit new steering column sealing boot complete with protective cover.
Parts
| Part | Part number | Qty |
|---|---|---|
| Protective cover | 45254-02020 | 1 |
| Steering column sealing boot | Refer to manufacturer | 1 |
Data: Motorwise Workshop. Bulletin 3.
Body & trim
1 documented fault — symptoms, causes and workshop fixes.
Knocking noise when opening/closing front doors
Unsatisfactory design of front door check strap. Fix: fit a modified part.
Overview
- Affects
- All models, →10/16.
- Remedy
- Fit modified part
Repair steps
- Remove and discard front door check strap.
- Apply thread locking compound to door check strap retaining bolt.
- Fit modified door check strap.
- Tighten door check strap bolts to correct torque setting.
- Apply a light coating of grease to moving parts of door check strap mechanism.
- If necessary, repeat procedure for opposite side.
Parts
| Part | Part number | Qty |
|---|---|---|
| Door check strap | 68610-02241 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Glossary
Technical terms used in this guide.
- Brake Servo
- The unit that boosts the force of your foot on the brake pedal
- LHD
- Left-hand drive — steering wheel on the left
- Caliper
- The part that squeezes the brake pads onto the disc
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
Frequently asked questions
What are the common faults with the Toyota Auris 1.6 D-4D?
This guide contains five workshop bulletins for the Toyota Auris 1.6 D-4D. Of these, two concern the brakes and one the electrical and ignition. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Auris 1.6 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 Auris 1.6 D-4D faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.