Engine & identification
Vehicle identification
| No. of cylinders Type | 3/DOHC |
|---|---|
| Capacity (Fiscal) cc | 998 |
| Compression ratio :1 | 10,5 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Make | Toyota |
| Ignition system Type | TCCS |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Make | Toyota |
| Fuel system Type | EFI |
| Fuel system Description | MFI-s |
| Air metering Type | MAP |
| Combined ignition and fuel ECM | Yes |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil supply voltage + with ballast V | 12,0 |
|---|
Firing order
The firing order for the Toyota Aygo 1.0 (2005–2012) is 1-3-2.
| Firing order | 1-3-2 |
|---|
Valve clearances
Valve clearances for the Toyota Aygo 1.0 (2005–2012) are 0,15-0,23 mm inlet and 0,28-0,36 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,15-0,23 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,28-0,36 cold |
Engine oil & fluids
Engine oil
The Toyota Aygo 1.0 (2005–2012) takes 3.1 litres of engine oil with the filter.
See the reference table for the complete engine oil entries and their conditions.
Manual gearbox
The manual gearbox has a listed capacity of 1.7 litres. The specified oil is SAE 75W, with classification GL-5.
Coolant
The listed total cooling-system capacity is 4.0 litres.
See the reference table for the complete coolant entries and their conditions.
Grades, filling conditions and capacities
| Preferred engine oil | |
|---|---|
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | — |
| Engine oil grade | |
| Engine oil classification ILSAC | GF-4 |
| Engine oil classification API/ACEA | SL/A1, A3 |
| Engine oil options | |
| Ambient temperature range | -18°C➞38°C |
| Engine oil grade SAE | 10W-30 Synthetic |
| Engine oil classification ILSAC | GF-4 |
| Engine oil classification API/ACEA | SL/A1, A3 |
| Ambient temperature range | -12°C➞38°C |
| Engine oil grade SAE | 15W-40 |
| Engine oil classification API/ACEA | SL |
| Ambient temperature range | -7°C➞38°C |
| Engine oil grade SAE | 20W-50 |
| Engine oil classification API/ACEA | SL/A1, A3 |
| Engine with filter(s) litres | 3.1 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W |
| Manual transmission oil classification | GL-5 |
| Manual transmission litres | 1.7 |
| Coolant Type | Super Long Life |
| Coolant Colour | Pink |
| Cooling system - total capacity litres | 4.0 |
| Brake fluid Type | DOT 4 |
| Clutch fluid Type | DOT 4 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Toyota Aygo 1.0 (2005–2012) are replaced at a minimum thickness of 18 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.
| Minimum disc thickness for replacement - ventilated Front | 18 mm |
|---|---|
| Maximum drum diameter for replacement Rear | 201 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,05 mm |
|---|---|
| Minimum pad thickness Front | 1 mm |
| Minimum shoe thickness Rear | 1 mm |
| Parking brake travel No. of notches | 5-8 |
Service & electrical
Spark plugs
The Toyota Aygo 1.0 (2005–2012) uses Denso K20HR-U11 spark plugs with a 1,1 mm electrode gap.
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | K20HR-U11 |
| Electrode gap mm | 1,1 |
Tuning and emissions
| Ignition timing - basic BTDC °Engine/rpm | 10±2/840 Not adjustable |
|---|---|
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 840±50 Not adjustable |
| Oil temperature °C | 80 |
| CO level at idle speed - tailpipe Vol. % CO | 0,3 Max Not adjustable |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
| Increased idle speed for CO test rpm | 2300-2500 |
| CO content at increased idle speed Vol. % | 0,3 |
| Lambda at increased idle λ | 0,97-1,03 |
Service checks and adjustments
| Compression pressure bar | 14,2 |
|---|---|
| Oil pressure bar/rpm | 1,9/3000 |
| Radiator cap bar | 0,90-1,20 |
| Thermostat opens °C | 80-84 |
Fuel system
| System pressure bar | 3,1-3,5 |
|---|---|
| Engine coolant temperature (ECT) sensor Ohm/°C | 2320-2590/20 |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor Ohm | 1850-2450 |
| Injector Ohm | 11,6-12,4 |
| Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm | 39,0-65,0 |
| Lambda sensor (Oxygen) heater Ohm | 4,0-16,0 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Toyota Aygo 1.0 (2005–2012) are tightened in 3 stages: 16 Nm, then 32 Nm, then a final 180°.
| Cylinder head | |
|---|---|
| Maximum bolt length | 123,5 mm |
| Tighten | 16 Nm |
| Tighten | 32 Nm |
| Tighten | 180° |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | 30 Nm |
| Main bearings Stage 2 | 59±6 Nm |
| Big end bearings Renew bolts/nuts | — |
| View more information | — |
| Big end bearings | |
| Big end bearings Stage 1 | 15±6 Nm |
| Big end bearings Stage 2 | 90° |
| Sump drain bolt | 30 Nm |
| Flywheel/driveplate | 78 Nm |
| Clutch pressure plate | 19 Nm |
| Crankshaft pulley/damper centre bolt | 170 Nm |
| Camshaft sprocket/gear | 47 Nm |
| Camshaft sprocket/gear | |
| Camshaft carrier/cap | 13 Nm |
| Camshaft/rocker cover | 8 Nm |
| Inlet manifold to cylinder head | 30 Nm |
| Exhaust manifold to cylinder head | 24 Nm |
| Water pump | 28 Nm |
| Spark plugs | 25 Nm |
| Fuel rail | 27 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 8 Nm |
| Camshaft position (CMP) sensor | 8 Nm |
| Engine coolant temperature (ECT) sensor | 20 Nm |
| Lambda sensor (Oxygen) | 44 Nm |
| Knock sensor (KS) | 20 Nm |
| Engine oil pressure switch | 15 Nm |
| Oil filter | 10 Nm |
| Chassis tightening torques | |
| Front hub | 216 Nm |
| Rear hub - wheel bearing housing bolts | 60 Nm |
| Steering wheel | 50 Nm |
| Steering rack/box mounting | 89 Nm |
| Steering track rod end | 33 Nm |
| Brake disc to hub Front | 5 Nm |
| Brake caliper to carrier Front | 30 Nm |
| Brake caliper/carrier to hub Front | 89 Nm |
| ABS sensor Front | 8 Nm |
| ABS sensor Rear | 8 Nm |
| Road wheels | 103 Nm |
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | Yes |
| Compressor variable displacement solenoid | No |
| Air conditioning refrigerant Type | R134a |
| Air conditioning refrigerant quantity grams | 450±30 |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | ZXL 200 PG |
| Air conditioning oil quantity cm³ | 80 |
| Air conditioning oil viscosity ISO | 100 |
Frequently asked questions
What is the firing order of the Toyota Aygo 1.0?
The firing order for the Toyota Aygo 1.0 (2005–2012) is 1-3-2.
What spark plugs does the Toyota Aygo 1.0 use?
The Toyota Aygo 1.0 (2005–2012) uses Denso K20HR-U11 spark plugs with a 1,1 mm electrode gap.
How much oil does the Toyota Aygo 1.0 take?
The Toyota Aygo 1.0 (2005–2012) takes 3.1 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.
What are the valve clearances for the Toyota Aygo 1.0?
Valve clearances for the Toyota Aygo 1.0 (2005–2012) are 0,15-0,23 mm inlet and 0,28-0,36 mm exhaust, measured cold.
What is the cylinder head torque for the Toyota Aygo 1.0?
The cylinder head bolts on the Toyota Aygo 1.0 (2005–2012) are tightened in 3 stages: 16 Nm, then 32 Nm, then a final 180°.
What is the minimum brake disc thickness for the Toyota Aygo 1.0?
Brake discs on the Toyota Aygo 1.0 (2005–2012) are replaced at a minimum thickness of 18 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.