Problem With DBW4

Includes expansion units, sensors, valves, wiring, communication cables etc.

Problem With DBW4

Postby Loqy on Mon Feb 09, 2026 8:34 pm

Hi everyone,

I have problem with the DBW4 in Evo 9 with M800 PnP using Evo X DBW throttle body and pedal.
During the rally, the engine blown and also small fire damage the wiring.
After fix the engine and wiring also send back the M800 Pnp to MoTeC for repair, the DBW4 wasn't working properly.
I couldn't connect to the DBW4 so I couldn't calibrate, see the picture attached.
The engine is on but at the full pedal,the DBW only 50% open.

How to check if there's malfunction with the DBW4 ?

Any help will be highly appreciate it.
Attachments
Screenshot 2026-01-29 135304.png
Couldn't connect to the DBW4
Screenshot 2026-01-29 135304.png (75.21 KiB) Viewed 10836 times
Loqy Siregar
Loqy
 
Posts: 33
Joined: Mon Jan 30, 2012 1:32 am
Location: Jakarta - Indonesia

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