Toyota s LPG Injected Hiace
Background Summary Developed in response to Toyota s Product Planning Division and achieved Board approval Aug 03 Technical development was provided by cooperation between Apollo Gas Products and Toyota Australia. The LPG system used is the Landi Renzo (Italy) sequential vapour injection system (Omegas).
The Omegas Components ECU Vapour filter Fuel rail and injectors Regulator
Description of operation Liquid LPG Hot engine coolant Gas vapour
Standard System Features Sequential Multipoint Gaseous Injection Improved fuel control providing better emissions, drivability and fuel economy No backfires Exhaust gas temperatures controlled to maintain component integrity. Gas Injector Fuel Rail Installation on manifold
Standard Features LPG Tank positioned under floor manifolded twin cylinders, 64 liters of usable LPG. LPG Manifold Tank LPG Manifold Tank with stone shield
Standard Features Starts on petrol and changes automatically to LPG when coolant is > 40 o C and rpm >1100. Auto switch back to petrol when LPG is empty (this feature can be turned off). Emergency gas start capability. Fuel Switch
Optional Features for Fleets Forced LPG operation Starts on petrol and changes automatically to LPG when coolant is > 40 o C and rpm >1100. Fuel switch replaced with fuel indicator panel and gauge Always runs on LPG, no switch back to petrol, cannot select petrol. Fuel Indicator Panel
Standard Features LPG System integrated into vehicle OBD system. No tuning required by installer as it has full electronic control using both OEM and LPG ECU s. OEM standard Plug-n-Play wiring harness
Features continued Standard switch option Uses original dash fuel gauge for both petrol & LPG fuel levels Fleet option - Forced LPG operation Uses original dash fuel gauge for petrol and separate fuel gauge for LPG integrated with fuel indicator panel Filler position in original fuel fill pocket
Features continued Full TMCA warranty Australian Design Rule compliant for 2005 Exceeds emissions requirements and passes Euro 4 limits Proven engine and vehicle durability. Completing 2 x 80,000 km of on road testing and 1 x 160,000 km on road test. Vibration rig testing of components Dyne testing Compatible with tow bar fitment. Compatible with ABS option 10,000 km service intervals in line with OEM service intervals
Fuel Economy 550N 2TR-FE, LPG Engine Tank Capacit y Litres ADR 81/01 Dyne results lt/100 km Range - km Real World Unladen lt/100 km Range - km Real World At GVM (3227 kg) lt/100 km Range - km LWB Manual 64 lt 15.9 403 14.4 444 17.6 363 LWB Auto 64 lt 16.3 392 14.1 454 17.7 360 SLWB Manual 64 lt 16.7 383 14.7 435 18.2 352 SLWB Auto 64 lt 17.2 371 14.8 432 18.3 350 Note : Real World fuel economy figures are based on actual driving figures gathered during the test and development phase and are to be used as a rough gauge only. ADR 81/01 figures are for official publication.
Independent vehicle review
Power & Torque LWB Manual Van 550N 2TR-FE Manual Power (kw) at the rear wheels Torque (Nm) at the rear wheels 0 100 km/h (sec) 550N on Petrol 81.5 kw @ 4300 rpm 200 Nm @ 3500 rpm 11.3 550N on LPG 80.5 kw @ 4600 rpm 200 Nm @ 3300 rpm 11.6 Note measured on a Dyno Dynamics chassis dyne
Emissions LPG system produces low emissions and passes Euro 4 limits by a significant margin. Possible percentage improvement of LPG emissions over petrol Hiace, dependant on variant Up to 52 % reduction in CO Up to 75 % reduction in HC Up to 77 % reduction in Nox Up to 8 % reduction in CO2
Drivability LPG system designed to provide drivability on par with the petrol system. Smooth change over of fuels. No starting issues (starts on petrol)
Costs Low Volumes Price (GST Excl) Aftermarket Fitment Fitment at Fleet volumes will be negotiable on price
Benefits of LPG Hiace Emissions improvement Can promote better than Euro 4 levels Lower CO, which is a toxin readily absorbed into the blood Lower HC, which are toxic. Lower Nox, which is a smog causing gas Lower CO2, which is a greenhouse gas No particulates unlike diesel emissions which are carcinogenic. Performance near petrol levels, only 1.2 % reduction in max power and 0% reduction in max torque Improved fuel consumption, reduction of 10% over older conventional LPG systems
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