New Manual Mapper OBM-102 for Prado 150
We spent almost two years of time to work out how digital MAF sensored ECU worked.
So much time has been spent with countless engine dyno and field tests.
Our conclusion was the Prado 150 series car computer and its control software were really the work of art.
We take our hat off and bow to them. It really was good piece of art but we worked out! We are in the comfort zone of the car computer.
We found perfect harmony between our device and car computer worked together as a team. Nothing is forced! All is in perfect agreements with each other.
We had to use a powerful and latest micro-controller chip in the market (ARM Cortex series computer chip).
We don't even have time to update our website properly either! Our sincere apologies and it will come soon.
Feedback from Andrew with OBM-102
Hey Young,
I fitted the Manual Mapper and installed a full EGR blanking plate, took it for a drive and goes good.
I am happy that I have blanked off the EGR and also have the fuel adding feature (the ATT).
Mounting the module in the engine bay was tricky as there was no room (due to other mods), so ended up mounting it to the wiper cowl panel.
Then routed the cable into the cabin on passenger side and installed remote control box behind glovebox as I don't want the settings accidentally changed and is still easily accessed by removing 1 panel.
Works very well, you have done a fantastic job designing and building this module.
Many Thanks
Andrew
Andrew's Prado 150 installation (Hiding the control box)
Fixed under the wiper cowl. (I like his crank case oil catch can)
EGR harness connection
Behind Glove box
Control box is behind glove box.
Crank case oil catch can.
Feedback from Peter
Hi Young,
Just wanted to say thank you. Received my mapper on Friday and installed it over the weekend also fitted a full EGR blocking plate while I was at it.
Gave it a test drive yesterday(200km) and what a difference!! No turbo lag at all now and the motor runs better.
Thank you for a great device. Just have to bypass the EGR cooler now.
Will be installing one of your mappers on my Prado when you release the digital MAF one.
Thanks again
Regards
Peter.
Peter's Prado installation
Bolted it down properly
Feedback from Alan
Hi Young,
Thought I'd give you some figures that I've compiled. I've just come back from a camping trip towing a loaded Adventure Campers Pilbara. It weighs in at 1,300 kgs with full water tanks. The 2009 Mazda BT50 is a dual cab with canopy, drawers and dual battery system plus 2 adults, their gear and one big dog. All up we'd have been around 3,600 kgs.
With the mapper set on +5 we did 2,337 kilometres of mostly bitumen but several hundred ks on gravel plus much of the bitumen was in hilly country. Additionally about 250 ks were done without the camper behind. We travel between 90 and 95 on the highway.
Thank you for a great device. The end result was 2,337 kilometres for 262.2 litres (11.22 Litres/100 kilometres) which is bloody amazing!
In daily driving I've found -5 to be the best spot. At that I'm getting 9 litres per hundred ks in a mix of town and highway driving.
Cheers
Alan
Alan's OBM-1 install in BT-50
History of Manual Mapper, Humble Beginning in May 2015. First tried on an Op amp IC, unstable and fragile. It was a disaster, then AVR ATtiny25 microcontroller chip has been successfully used for versatility and reliability.
August 2015 a pilot production began.
In Cabin Control version OBM-1CC has been released.
In Cabin Unit is just extension of front panel of Mapper through the shielded cable.
EGR valve position sensor Connection. Notice white wire link in the mapper has been cut to activate EGR servo mode.
| 
