Toyota2023–2025Technical specifications

C-HR 2.0 Hybrid: Technical specifications

Workshop data for the 2-litre petrol (engine code M20A-FXS). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (M20A-FXS) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make
Toyota
Model
C-HR
Years
2023–2025
Fuel
Petrol
Engine code
M20A-FXS

Performance & efficiency

Power
145 kW (197 hp)
Engine size
1,987 cc
Cylinders
4 · DOHC
Compression ratio
14.0:1
Fuel system
Toyota

Fluids & capacities

Engine oil (with the filter)
4.2 litres
All 122 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type4/DOHC
Capacity (Fiscal) cc1987
Compression ratio :114,0
Suitable for unleaded petrolYes
Minimum octane rating RON95
Ignition system MakeToyota
Ignition system DescriptionMap-DI
Fuel system MakeToyota
Fuel system TypeSFI D-4S
Fuel system DescriptionMFI-s(i+d)
Air metering TypeMass/MAP
Combined ignition and fuel ECMYes
Diagnostic socketYes

Ignition system

Ignition coil MakeToyota
Ignition coil Type90919-02277
Ignition coil supply voltage + with ballast V12,0

Firing order

The firing order for the Toyota C-HR 2.0 Hybrid (2023–2025) is 1-3-4-2.

Firing order1-3-4-2

Valve clearances

Valve clearances on the Toyota C-HR 2.0 Hybrid (2023–2025) are hydraulic — they self-adjust, so no manual clearance figure applies.

Valve clearance - INLET mmHydraulic
Valve clearance - EXHAUST mmHydraulic

Engine oil & fluids

Engine oil

The Toyota C-HR 2.0 Hybrid (2023–2025) takes 4.2 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Coolant

See the reference table for the complete coolant entries and their conditions.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Preferred engine oil
Ambient temperature range All temperatures
Engine oil grade SAE 0W-16
Engine oil classification ILSAC GF-6B
Engine oil classification API/ACEA SN
Engine oil options
Ambient temperature range All temperatures
Engine oil grade SAE 0W-20
Engine oil classification ILSAC GF-6A
Engine oil classification API/ACEA SN
Ambient temperature range All temperatures
Engine oil grade SAE 5W-30
Engine oil classification ILSAC GF-6A
Engine oil classification API/ACEA SL
Engine with filter(s) litres 4.2
Other lubricants and capacities
Automatic transmission fluid Type Toyota e-Transaxle fluid TE
Automatic transmission (drain & refill) litres 3.7
Do not drive vehicle in inspection mode as damage to the vehicle may occur.
Coolant Type Toyota SLLC
Coolant Colour Pink
Cooling system - total capacity litres 6.1
Repeat steps 7-8 four times.
Brake fluid Type DOT 3/4

Brakes & wear limits

Brake disc thickness

Brake discs on the Toyota C-HR 2.0 Hybrid (2023–2025) are replaced at a minimum thickness of 25 mm (ventilated) front and 8,5 mm rear.

Minimum disc thickness for replacement - ventilated Front25 mm
Minimum disc thickness for replacement Rear8,5 mm

Brake disc and drum dimensions

Disc runout Front0,05 mm
Disc runout Rear0,15 mm
Minimum pad thickness Front1 mm
Minimum pad thickness Rear1 mm

Service & electrical

Spark plugs

The Toyota C-HR 2.0 Hybrid (2023–2025) uses Bosch 0 242 129 535 spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipmentDenso
Spark plug TypeFC16HR-Q8
Electrode gap mm0,7-0,8
Spark plugs MakeBosch
Spark plug Type0 242 129 535
Electrode gap mm0,8
Spark plugs MakeChampion
Spark plug TypeREA10WYPB
Electrode gap mm0,7
Spark plugs MakeNGK
Spark plug TypeDILKAR6T8
Electrode gap mm0,8

Tuning and emissions

Tuning conditions—
View more information—
Ignition timing
Ignition timing - basic BTDC °Engine/rpm10±2/1000 Not adjustable
Ignition advance checks °Engine/rpmECM Controlled
Idle speed rpm1000±50 Not adjustable
Oil temperature °C80
CO level at idle speed - tailpipe Vol. % CO0,2 Max Not adjustable
HC level at idle speed ppm100
CO2 level at idle speed Vol. % CO214,5-16
O2 level at idle speed Vol. % O20,1-0,5
Increased idle speed for CO test rpm2300-2700
CO content at increased idle speed Vol. %0,2
Lambda at increased idle λ0,97-1,03

Starting and charging

Battery V/RC(Ah)12 (45/50)

Service checks and adjustments

Compression pressure bar8,0-14,0
Compression pressure can only be checked using diagnostic equipment.
Oil pressure bar/rpm0,8 Min/1500
Oil pressure can only be checked using diagnostic equipment.
Radiator cap bar0,74-1,03
Thermostat opens °C80-84

Fuel system

System pressure bar3,0-6,4
Fuel feed/lift pump delivery pressure bar3,0-6,4
Engine coolant temperature (ECT) sensor Ohm/°C310-326/80
Injector Ohm11,6-12,4
Injector resistance
Lambda sensor (Oxygen) heater Ohm—
Oxygen sensor (O2S) heater resistance
Throttle motor Ohm0,3-100

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Toyota C-HR 2.0 Hybrid (2023–2025) are tightened in 3 stages: 50 Nm, then 90°, then a final 90°.

Cylinder head
Tighten50 Nm
Tighten90°
Tighten90°
Cylinder head instructions—
View more information—
Other engine tightening torques
Main bearings Renew bolts/nuts—
View more information—
Main bearings
Main bearings Stage 161 Nm
Main bearings Stage 290°
Big end bearings Renew bolts/nuts—
View more information—
Big end bearings
Big end bearings Stage 138 Nm
Big end bearings Stage 290°
Oil pump to cylinder block24 Nm
Sump bolts—
View more information—
Wait 2 hours before starting engine or filling engine with oil to allow sealant to dry.
Sump drain bolt40 Nm
Flywheel/driveplate-/150 Nm
After installing driveplate wait 1 hour before starting engine.
Crankshaft pulley/damper centre bolt260 Nm
Camshaft sprocket/gear—
Camshaft sprocket/gear
Camshaft carrier/cap—
View more information—
Wait 2 hours before starting engine or filling engine with oil to allow sealant to dry.
Camshaft/rocker cover—
View more information—
Assemble components within 3 minutes and tighten bolts within 10 minutes.
Inlet manifold to cylinder head24 Nm
Exhaust manifold to cylinder head26 Nm
Exhaust downpipe to manifold43 Nm
Water pump43 Nm
Spark plugs20 Nm
Fuel rail29 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor10 Nm
Camshaft position (CMP) sensor8 Nm
Lambda sensor (Oxygen)44 Nm
Knock sensor (KS)20 Nm
Engine oil pressure switch15 Nm
Assemble components within 3 minutes. Do not start engine for 1 hour.
Oil filter18 Nm
Chassis tightening torques
Front hub216 Nm
Front hub - wheel bearing housing bolts130 Nm
Rear hub - wheel bearing housing bolts90 Nm
Steering wheel62 Nm
Steering rack/box mounting133 Nm
Steering track rod end49 Nm
Steering track rod end
Brake caliper to carrier Front30 Nm
Brake caliper/carrier to hub Front107 Nm
Brake caliper to carrier Rear30 Nm
Brake caliper/carrier to hub Rear107 Nm
ABS sensor Front9 Nm
Road wheels103 Nm

Air conditioning

No. of AC service connectors2
Air conditioning restrictor typeExpansion valve
Compressor clutch/magnetic couplingNo
Compressor variable displacement solenoidNo
Air conditioning refrigerant TypeR134a/R1234yf
Air conditioning refrigerant quantity grams470±30
Air conditioning oil groupPOE
Air conditioning oil TypeDens Oil 11
High voltage electric motor within compressor; correct oil must be used to reduce risk of electric shock.
Air conditioning oil quantity cm³117±7
Air conditioning oil viscosity ISO46

Frequently asked questions

What is the firing order of the Toyota C-HR 2.0 Hybrid?

The firing order for the Toyota C-HR 2.0 Hybrid (2023–2025) is 1-3-4-2.

What spark plugs does the Toyota C-HR 2.0 Hybrid use?

The Toyota C-HR 2.0 Hybrid (2023–2025) uses Bosch 0 242 129 535 spark plugs with a 0,8 mm electrode gap.

How much oil does the Toyota C-HR 2.0 Hybrid take?

The Toyota C-HR 2.0 Hybrid (2023–2025) takes 4.2 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 C-HR 2.0 Hybrid?

Valve clearances on the Toyota C-HR 2.0 Hybrid (2023–2025) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Toyota C-HR 2.0 Hybrid?

The cylinder head bolts on the Toyota C-HR 2.0 Hybrid (2023–2025) are tightened in 3 stages: 50 Nm, then 90°, then a final 90°.

What is the minimum brake disc thickness for the Toyota C-HR 2.0 Hybrid?

Brake discs on the Toyota C-HR 2.0 Hybrid (2023–2025) are replaced at a minimum thickness of 25 mm (ventilated) front and 8,5 mm rear.

More on the C-HR