Toyota2012–2014

Aygo 1.0: Common faults & known problems

Common faults & known problems

3 known faults documented in workshop bulletins. Of these, two concern the clutch and gearbox and one the body and trim. Symptoms, causes, repair steps and part numbers are shown where supplied.

Clutch & gearbox

2 documented faults — symptoms, causes and workshop fixes.

Poor gear shifting

Overview

Affects
All models with 5-speed MT, →06/13.
Remedy
Fit modified part

Symptoms

Clutch slip. Squealing noise from clutch on engagement. Strong odour from clutch.

Cause

Broken clutch release bearing.

Worn clutch centre plate due to excessive clutch slip.

Incorrect clutch pedal free play.

Clutch release lever faulty.

Repair steps

  1. Fit modified clutch assembly.
  2. Inspect clutch release lever for damage and replace if necessary.
  3. Check clutch pedal adjustment, ensure adequate free play.

Data: Motorwise Workshop. Bulletin 1.

Poor starting

Overview

Affects
All models with auto shift manual (ASM) transmission, →06/13.
Remedy
Fit new part
Parts
3 parts

Symptoms

Poor gear shifting. Unable to select 1st gear.

Cause

Broken clutch release bearing.

Excessive wear on clutch pressure plate diaphragm spring due to faulty clutch release lever.

Repair

  1. Fit new clutch assembly.
  2. Fit new clutch release lever.
Parts3 parts
Parts listed in the bulletin
PartPart numberQty
Clutch centre plate31233-0H0101
Clutch assembly31210-790151
Clutch release bearing31230-0H0111

Data: Motorwise Workshop. Bulletin 2.

Body & trim

1 documented fault — symptoms, causes and workshop fixes.

Difficult to insert and turn key in door lock barrel

Overview

Affects
All models without remote controlled central locking, →06/13.
Remedy
Fit modified part
Parts
1 part

Cause

Unsatisfactory design of door lock barrel.

Repair

  1. Fit modified door lock barrels.
  2. Program all new keys to immobilizer control module.
Parts1 part
Parts listed in the bulletin
PartPart numberQty
Door lock barrel set69005-0H9111

Data: Motorwise Workshop. Bulletin 3.

Glossary

Technical terms used in this guide.

Control Module
A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
Immobilizer
The anti-theft system that prevents the engine from starting without the correct key

Frequently asked questions

What are the common faults with the Toyota Aygo 1.0?

This guide contains three workshop bulletins for the Toyota Aygo 1.0. Of these, two concern the clutch and gearbox and one the body and trim. Symptoms, causes, repair steps and part numbers are shown where supplied.

Does every Toyota Aygo 1.0 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 Aygo 1.0 faults myself?

Many of them. The documented symptoms can be seen, heard or felt during a test drive.

Related guides

Glossary term

See in the glossary →