Engine & fuel system
1 documented fault — symptoms, causes and workshop fixes.
Unable to unlock vehicle with remote control
Water ingress into front outer door handle wiring harness multi-plug. Fix: fit a new part.
Overview
- Affects
- All models, →24/05/10.
- Remedy
- Fit new part
Symptoms
Unable to turn ignition switch to auxiliary position using keyless start system. Unable to unlock vehicle using keyless entry system.
Repair steps
- Remove door trim panel.
- Check outer door handle wiring harness multi-plug for corrosion.
- If corrosion present: Fit new outer door handle. Fit new outer door handle wiring harness. Seal outer door handle wiring harness multi-plug with waterproof tape.
- If no corrosion present: Clean multi-plug contacts. Seal outer door handle wiring harness multi-plug with waterproof tape.
Data: Motorwise Workshop. Bulletin 2.
Electrical & ignition
2 documented faults — symptoms, causes and workshop fixes.
Failure of left or right headlamp
Overview
- Affects
- All models with gas discharge headlamps.
- Remedy
- Fit new part
Cause
Headlamp igniter unit not fitted correctly causing poor connection.
Repair
- Ensure headlamp igniter unit is disconnected from power supply.
- Fit new headlamp bulb and headlamp igniter unit. Turn headlamp igniter unit fully clockwise until it locks into position.
Data: Motorwise Workshop. Bulletin 3.
Headlamps not illuminating when headlamp switch in 'AUTO' position
Cause
Faulty ambient light sensor, incorporated in rain sensor.
Repair
- Fit new ambient light sensor.
Parts1 part
| Part | Part number | Qty |
|---|---|---|
| Ambient light sensor | C513 66 5G0 | 1 |
Data: Motorwise Workshop. Bulletin 4.
Suspension & drivetrain
1 documented fault — symptoms, causes and workshop fixes.
Groaning and/or squeaking noises from rear suspension over uneven surfaces
Excessive friction between rear shock absorber damper rod and shock absorber bump stop. Fix: clean and lubricate.
Overview
- Affects
- All models.
- Remedy
- Clean & lubricate
Repair steps
- Raise rear of vehicle.
- Pull down shock absorber damper rod cover and bump stop to gain access to shock absorber damper rod.
- Lubricate shock absorber damper rod and bump stop.
- Refit shock absorber damper rod cover.
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- Keyless Entry
- Unlocking the car with a remote or by carrying the key, without turning a barrel
- Multi-Plug
- A multi-pin electrical connector on a wiring harness
- Wiring Harness
- The bundled cables that carry power and signals around the vehicle
Frequently asked questions
What are the common faults with the Mazda 2 1.6 8V?
This guide contains four workshop bulletins for the Mazda 2 1.6 8V. Of these, two concern the electrical and ignition and one the engine and fuel system. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Mazda 2 1.6 8V 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 Mazda 2 1.6 8V faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.