Engine & identification
Vehicle identification
| No. of cylinders Type | 4/DOHC |
|---|---|
| Capacity (Fiscal) cc | 1197 |
| Compression ratio :1 | 10,0 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 95 |
| Ignition system Description | Map-DI |
| Trigger location | Cam/Crankshaft |
| Fuel system Description | MFI-s(d) |
| Air metering Type | Mass |
| 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 Auris 1.2 T VVTi (2015–2018) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Toyota Auris 1.2 T VVTi (2015–2018) are hydraulic — they self-adjust, so no manual clearance figure applies.
| Valve clearance - INLET mm | Hydraulic |
|---|---|
| Valve clearance - EXHAUST mm | Hydraulic |
Engine oil & fluids
Engine oil
The Toyota Auris 1.2 T VVTi (2015–2018) takes 4.0 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 2.4 litres. The specified oil is SAE 75W, with classification GL-4.
Coolant
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 options | |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 0W-20 |
| Engine oil classification ILSAC | GF-4 |
| Engine oil classification API/ACEA | SL |
| Ambient temperature range | All temperatures |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification ILSAC | GF-4 |
| Engine oil classification API/ACEA | SL |
| Engine with filter(s) litres | 4.0 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 75W |
| Manual transmission oil classification | GL-4 |
| Manual transmission litres | 2.4 |
| Automatic transmission fluid Type | Toyota CVT FE |
| Automatic transmission (drain & refill) litres | — |
| View more information | — |
| If 'D' shift indicator flashes (transmission fluid temperature is above 45°C): Switch ignition OFF. Allow transmission fluid to cool, then repeat steps 3-8. | |
| Automatic transmission (dry fill) litres | 7.5 |
| Automatic transmission fluid | |
| Coolant Type | Toyota SLLC |
| Coolant Colour | Pink |
| Cooling system - total capacity litres | MT=6,2 AT=6,4 |
| Cooling system | |
| Brake fluid Type | DOT 4 |
| Clutch fluid Type | DOT 4 |
Brakes & wear limits
Brake disc and drum dimensions
| Minimum disc thickness for replacement - ventilated Front | — |
|---|---|
| Minimum disc thickness for replacement | |
| Minimum disc thickness for replacement Rear | — |
| Disc runout Front | 0,05 mm |
| Disc runout Rear | 0,15 mm |
| Minimum pad thickness Front | 1 mm |
| Minimum pad thickness Rear | 1 mm |
| Parking brake travel No. of notches | 5-8 |
Service & electrical
Spark plugs
The Toyota Auris 1.2 T VVTi (2015–2018) uses Bosch 0 242 140 658 spark plugs with a 0,9 mm electrode gap.
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | DILKAR8J9G |
| Electrode gap mm | 0,8-0,9 |
| Spark plugs Make | Bosch |
| Spark plug Type | 0 242 140 658 |
| Electrode gap mm | 0,9 |
| Spark plugs Make | Champion |
| Spark plug Type | REA6PYPB |
| Electrode gap mm | 0,7 |
Tuning and emissions
| Ignition timing - basic BTDC °Engine/rpm | 10±2/650 Not adjustable |
|---|---|
| Ignition timing - alternative °Engine/rpm | 10±2/730 Not adjustable |
| Ignition advance checks °Engine/rpm | ECM Controlled |
| Idle speed rpm | 650±50 Not adjustable |
| Idle speed - alternative rpm | AT=730±50 Not adjustable |
| Oil temperature °C | 80 |
| CO level at idle speed - tailpipe Vol. % CO | 0,2 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 | 2300-2700 |
| CO content at increased idle speed Vol. % | 0,2 |
| Lambda at increased idle λ | 0,97-1,03 |
Starting and charging
| Battery V/RC(Ah) | 12 |
|---|
Service checks and adjustments
| Compression pressure bar | 8,8-10,8 |
|---|---|
| Oil pressure bar/rpm | — |
| Oil pressure | |
| Radiator cap bar | 0,79-1,23 |
| Thermostat opens °C | 80-84 |
Fuel system
| Fuel feed/lift pump delivery pressure bar | 2,0-6,0 |
|---|---|
| Engine coolant temperature (ECT) sensor Ohm/°C | 310-326/80 |
| Injector Ohm | 1,7-2,0 |
| Injector resistance | |
| Lambda sensor (Oxygen) heater Ohm | — |
| Lambda sensor heater resistance | |
| Throttle motor Ohm | 0,3-100 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Toyota Auris 1.2 T VVTi (2015–2018) are tightened in 4 stages: 16 Nm, then 32 Nm, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Tighten | 16 Nm |
| Tighten | 32 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Cylinder head instructions | — |
|---|---|
| View more information | — |
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | — |
| View more information | — |
| Main bearings | |
| Main bearings Stage 1 | 40 Nm |
| Main bearings Stage 2 | 90° |
| Big end bearings Renew bolts/nuts | Yes |
| Big end bearings Stage 1 | 15 Nm |
| Big end bearings Stage 2 | 90° |
| Oil pump to cylinder block | 21 Nm |
| Sump bolts | — |
| View more information | — |
| Assemble components within 3 minutes and tighten bolts within 10 minutes. Wait 2 hours before starting engine or filling engine with oil to allow sealant to dry. | |
| Sump drain bolt | 37 Nm |
| Flywheel/driveplate | — |
| After installing drive plate wait 1 hour before starting engine. | |
| Clutch pressure plate | 19 Nm |
| Crankshaft pulley/damper centre bolt | 180 Nm |
| Camshaft sprocket/gear | — |
| View more information | — |
| Exhaust camshaft sprocket | |
| Camshaft carrier/cap | — |
| View more information | — |
| Assemble components within 3 minutes and tighten bolts within 15 minutes. Wait 2 hours before starting engine. | |
| Camshaft/rocker cover | 10 Nm |
| View more information | — |
| Assemble components within 3 minutes and tighten bolts within 15 minutes. Do NOT start engine for 2 hours. | |
| Inlet manifold to cylinder head | 28 Nm |
| Exhaust manifold to cylinder head | 26 Nm |
| Exhaust downpipe to manifold | 43 Nm |
| Water pump | 21 Nm |
| View more information | — |
| Water pump | |
| Spark plugs | 20 Nm |
| Fuel rail | 29 Nm |
| Crankshaft position (CKP) sensor/engine speed (RPM) sensor | 10 Nm |
| Camshaft position (CMP) sensor | 10 Nm |
| Flywheel/driveplate | |
| Lambda sensor (Oxygen) | 44 Nm |
| Knock sensor (KS) | 20 Nm |
| Engine oil pressure switch | 15 Nm |
| Assemble components within 3 minutes. Do not start engine for 1 hour. | |
| Oil filter | 18 Nm |
| Chassis tightening torques | |
| Front hub | 216 Nm |
| Rear hub - wheel bearing housing bolts | 90 Nm |
| Steering wheel | 50 Nm |
| Steering rack/box mounting | 110 Nm |
| Steering track rod end | 49 Nm |
| Steering track rod end | |
| Brake caliper to carrier Front | 30 Nm |
| Brake caliper/carrier to hub Front | 107 Nm |
| Road wheels | 103 Nm |
Air conditioning
| No. of AC service connectors | 2 |
|---|---|
| Air conditioning restrictor type | Expansion valve |
| Compressor clutch/magnetic coupling | No |
| Compressor variable displacement solenoid | Yes |
| Air conditioning refrigerant Type | — |
| Do not mix R134a with R1234yf. | |
| Air conditioning refrigerant quantity grams | — |
| Air conditioning refrigerant quantity | |
| Air conditioning oil group | PAG |
| Air conditioning oil Type | — |
| Oil type | |
| Air conditioning oil quantity cm³ | 70+15 |
| Air conditioning oil viscosity ISO | 46 |
Frequently asked questions
What is the firing order of the Toyota Auris 1.2 T VVTi?
The firing order for the Toyota Auris 1.2 T VVTi (2015–2018) is 1-3-4-2.
What spark plugs does the Toyota Auris 1.2 T VVTi use?
The Toyota Auris 1.2 T VVTi (2015–2018) uses Bosch 0 242 140 658 spark plugs with a 0,9 mm electrode gap.
How much oil does the Toyota Auris 1.2 T VVTi take?
The Toyota Auris 1.2 T VVTi (2015–2018) takes 4.0 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 Auris 1.2 T VVTi?
Valve clearances on the Toyota Auris 1.2 T VVTi (2015–2018) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Toyota Auris 1.2 T VVTi?
The cylinder head bolts on the Toyota Auris 1.2 T VVTi (2015–2018) are tightened in 4 stages: 16 Nm, then 32 Nm, then 90°, then a final 90°.