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Toyota 1ND-TV Specifications
| Engine Model: Toyota 1ND-TV |
| Engine Type: 4-cycle inline 4-cylinder common-rail direct injection liquid-cooled diesel |
| Total Displacement: 83.2 cu.in (1.36 L) |
| Rated Engine Power: 72-89 Hp (54-66 kW) at 4000 rpm |
| Aspiration Type: Turbocharged |
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| General Technical Data |
The Toyota 1ND-TV is a 1.4-liter inline-four turbocharged diesel engine developed by Toyota Motor Corporation as part of its ND engine family. Introduced in 2001, the 1ND-TV was designed for compact passenger vehicles emphasizing fuel economy, low emissions, and high reliability. It represented Toyota’s first common-rail diesel engine of this displacement, combining advanced electronic fuel injection, turbocharging with intercooling, and efficient combustion chamber design.
The engine achieved a balance of performance
and economy, making it ideal for models such as the Yaris, Corolla, and
Auris in European, Asian, and select global markets. With its aluminum
cylinder head, cast-iron block, and DOHC configuration, the 1ND-TV
provided smooth operation and long-term durability while meeting
stringent Euro 3 to Euro 5 emission standards over its production span.
The 1ND-TV engine was developed to deliver a refined diesel experience,
characterized by low noise, reduced vibration, and minimal harshness,
often abbreviated as NVH. By integrating high-pressure common-rail
injection, variable-geometry turbocharging, and optimized combustion
chamber shape, Toyota engineers achieved responsive torque across the
rev range. The engine’s modest displacement and light construction also
made it efficient and easy to package within small front-wheel-drive
platforms. It remained in production through the mid-2010s before being
gradually replaced by newer diesel technologies and hybrid powertrains.
The Toyota 1ND-TV has a total displacement of 1,364 cc (83.2 cubic
inches), obtained through a bore of 73.0 mm (2.87 inches) and a stroke
of 81.5 mm (3.21 inches). This slightly undersquare configuration
emphasizes torque and fuel efficiency rather than high-revving
performance. The compression ratio is relatively high at 18.5:1, typical
for small turbocharged diesels, to ensure strong thermal efficiency and
complete combustion. The cylinder block is cast iron for strength and
durability under high cylinder pressures, while the cylinder head is
aluminum alloy for weight reduction and effective heat dissipation. Dual
overhead camshafts operate four valves per cylinder via solid lifters
and shims, totaling sixteen valves.
The firing order is 1–3–4–2, and the crankshaft is supported by five
main bearings, ensuring stability and smoothness even under high load.
The crankshaft is forged steel, and the connecting rods are also forged
for strength. Pistons are aluminum alloy with steel insert ring lands
and cooling oil jets directed at the underside to maintain optimal
temperature and prevent thermal distortion. The engine is equipped with
a single variable-geometry turbocharger (VGT) that provides controlled
boost pressure across a wide operating range, minimizing turbo lag. The
turbocharger is water-cooled and integrated with a wastegate actuator
controlled by the engine management system.
The maximum power output of the 1ND-TV engine ranges between 54 and 66
kW (72 to 89 Hp, 71 to 88 bhp) at approximately 3,800 to 4,000
revolutions per minute, depending on the version and emission standard.
Maximum torque is delivered between 170 and 205 Nm (125 to 151 lb-ft) in
the 1,800 to 2,800 rpm range. The engine redline is around 4,500 rpm,
with an idle speed typically near 800 ± 50 rpm. This broad torque curve
provides flexible performance and excellent drivability in urban and
highway conditions.
| Fuel System |
The Toyota 1ND-TV employs a high-pressure common-rail direct fuel
injection system supplied by Denso. The system uses an electric
low-pressure feed pump in the fuel tank and a mechanically driven
high-pressure pump mounted on the engine, capable of generating
pressures up to 1,600 bar (23,200 psi). The high-pressure pump delivers
fuel into a common rail which supplies solenoid-controlled injectors
located centrally in each combustion chamber. These injectors deliver
precisely metered, finely atomized fuel directly into the cylinders,
allowing multiple injection events per cycle for smooth combustion,
reduced emissions, and noise control.
The ECU (engine control unit) monitors multiple sensors including fuel
pressure, boost pressure, air mass flow, intake temperature, and
crankshaft position to optimize injection timing, pressure, and
duration. The fuel filter incorporates a water separator and sensor,
alerting the driver if contamination occurs. Recommended diesel fuel is
low-sulfur (below 50 ppm sulfur content) meeting EN 590 specification.
The return-less fuel line system minimizes vapor formation, and an
electric pre-heater aids cold starting by warming the fuel before
injection in low temperatures.
| Lubrication System |
The lubrication system is a fully pressurized wet-sump type utilizing a
trochoid oil pump driven by the crankshaft. Oil is drawn through a
strainer in the sump, then delivered under pressure through a full-flow
paper-element oil filter to the main oil galleries, feeding the
crankshaft, camshafts, valve train, and turbocharger bearings. Piston
cooling oil jets ensure thermal stability under sustained load. The
system maintains approximately 350–550 kPa (50–80 psi) oil pressure at
3,000 rpm, and around 100 kPa (15 psi) at idle. Total oil capacity
including filter is approximately 4.0 liters (4.2 US quarts, 3.5
Imperial quarts).
Toyota specifies multigrade diesel-rated oils meeting ACEA C2 or API CF
standards, typically SAE 5W-30. The oil and filter should be replaced
every 10,000 km (6,000 miles) under normal use or every 5,000 km (3,000
miles) under severe service. A positive crankcase ventilation (PCV)
system recirculates blow-by gases into the intake to reduce emissions.
The turbocharger’s oil feed and drain lines require special attention
during maintenance to prevent clogging or starvation, as turbo
lubrication is vital for durability.
| Cooling System |
The cooling system is a liquid, pressurized, forced-circulation type
with a belt-driven centrifugal water pump. Coolant flows through the
cylinder block, head, radiator, and heater core. The thermostat begins
to open at 82°C (180°F) and is fully open at 95°C (203°F). The radiator
is cross-flow aluminum with plastic side tanks and features an electric
cooling fan controlled by the ECU based on coolant temperature and air
conditioning load. The system includes a pressurized expansion tank and
a radiator cap rated at 108 kPa (15.6 psi).
The total coolant capacity is about 6.0 liters (6.3 US quarts, 5.3
Imperial quarts). Recommended coolant is Toyota Super Long Life Coolant
(SLLC) or equivalent ethylene glycol-based antifreeze mixed 50/50 with
distilled water. This mixture provides corrosion protection and freeze
resistance to –35°C (–31°F). Coolant should be replaced every 160,000 km
(100,000 miles) or every five years. Proper cooling maintenance is
crucial for maintaining the thermal efficiency and reliability of the
aluminum cylinder head.
| Intake and Exhaust Systems |
Air enters through a panel-type dry paper air filter, flows through a mass air flow (MAF) sensor, and passes the variable-geometry turbocharger before being cooled in an air-to-air intercooler. The cooled charge then enters the aluminum intake manifold designed to ensure uniform distribution. Boost pressure is regulated by vacuum-actuated vanes within the turbocharger under ECU control.
The intake system includes an EGR (exhaust gas recirculation) valve and cooler to reduce nitrogen oxide (NOx) emissions. Exhaust gases pass through a cast-iron manifold and a close-coupled oxidation catalyst, followed in later versions by a diesel particulate filter (DPF). Backpressure is monitored, and periodic regeneration occurs automatically under ECU command to burn accumulated soot.
The EGR valve is electronically controlled and cooled by the engine coolant. The intercooler volume and layout vary slightly by vehicle application. The air filter element should be replaced every 20,000 km (12,000 miles) or more frequently in dusty environments.
| Electrical and Starting Systems |
Being a diesel engine, the 1ND-TV does not use spark ignition. Instead, it relies on compression ignition aided by glow plugs for cold starting. Each cylinder has an independent glow plug controlled by the ECU, which preheats before and after start-up depending on coolant and ambient temperature. The glow plugs are of quick-heating ceramic type, reaching operating temperature within two seconds. The alternator is rated at 90 amperes, supplying a 12-volt electrical system. The starter motor is a 1.4-kilowatt reduction-gear type. Battery capacity is typically 60 ampere-hours.
| Other Systems |
The 1ND-TV integrates several subsystems for emissions and performance optimization. The positive crankcase ventilation (PCV) system reduces oil vapor emissions by rerouting blow-by gases into the intake. The engine also uses an evaporative emission control (EVAP) system in some markets to manage vapor losses from the fuel system.
A catalytic oxidation converter reduces hydrocarbons and carbon
monoxide, while the diesel particulate filter captures soot. The ECU
supports OBD-II diagnostics, with sensors monitoring manifold pressure,
rail pressure, oxygen content, temperature, and DPF status. A coolant
temperature sensor provides data for fan control, injection timing, and
glow plug operation.
An engine speed sensor, crank angle sensor, and camshaft position sensor
allow precise synchronization of injection events. The EGR system is
electronically modulated based on load and speed, improving efficiency
and lowering NOx output. In later variants, the system includes a DPF
differential pressure sensor for regeneration control.
| Dimensions and Weight |
The 1ND-TV engine measures approximately 610 mm (24.0 inches) in length, 600 mm (23.6 inches) in width, and 680 mm (26.8 inches) in height. The dry weight is around 127 kg (280 lbs). Compact size allows easy installation in transverse layouts for front-wheel-drive vehicles. The engine mounts use hydraulic dampers to minimize transmitted vibration and noise, enhancing passenger comfort.
| Maintenance Data |
Regular maintenance ensures long-term reliability and performance. The engine oil and filter must be replaced every 10,000 km (6,000 miles). The air filter is replaced every 20,000 km (12,000 miles). The fuel filter, equipped with a water sensor, should be replaced every 30,000 km (18,000 miles) or annually in poor fuel quality regions.
The timing chain is designed for the life of the engine but should be inspected for stretch and tensioner wear after 200,000 km (124,000 miles). The accessory drive belt should be checked every 40,000 km (25,000 miles). Coolant replacement occurs every 160,000 km (100,000 miles) or five years. Glow plugs should be checked for resistance every 60,000 km (37,000 miles).
Compression pressure when new is about 3,200 kPa (465 psi) at 300 rpm, with a minimum service limit of 2,700 kPa (392 psi). Maximum permissible difference between cylinders is 300 kPa (44 psi). Idle speed is 800 ± 50 rpm. Oil consumption should not exceed 0.5 liters per 1,000 km (0.5 qt per 600 miles).
| Tightening Torques |
Cylinder head bolts: first stage 25 Nm (18 lb-ft), second stage 60 Nm
(44 lb-ft), plus 90 degrees.
Main bearing cap bolts: 65 Nm (48 lb-ft).
Connecting rod bolts: 40 Nm (30 lb-ft) plus 90 degrees.
Camshaft bearing cap bolts: 13 Nm (10 lb-ft).
Flywheel bolts: 85 Nm (63 lb-ft) plus 90 degrees.
Crankshaft pulley bolt: 180 Nm (133 lb-ft).
Glow plugs: 15 Nm (11 lb-ft).
Oil drain plug: 40 Nm (30 lb-ft).
Intake manifold bolts: 25 Nm (18 lb-ft).
Exhaust manifold nuts: 35 Nm (26 lb-ft).
Valve cover bolts: 9 Nm (7 lb-ft).
Fuel injector clamp bolts: 22 Nm (16 lb-ft).
| Vehicle Applications |
The Toyota 1ND-TV engine was widely used in small and mid-size Toyota
models from 2001 to 2016.
Notable applications include:
– Toyota Yaris / Vitz (XP90, XP130 series)
– Toyota Corolla (E120, E150 series)
– Toyota Auris (E150)
– Toyota Urban Cruiser and Corolla Verso
– Toyota Ist, Echo, and Probox (select markets)
– Toyota Etios (in certain regions)
– Mini One D (R50, under Toyota-PSA collaboration)
The engine’s combination of efficiency and compactness made it
particularly popular in European markets where diesel passenger cars
dominated the economy segment. Depending on calibration and emission
standard, the 1ND-TV met Euro 3 through Euro 5 requirements. It was
paired with both manual and Multimode automated manual transmissions.
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