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Toyota 8FG30 with 4YECS engine error code 06-3

Hi dear friends
Im electrical technician Toyota forklift.

I have a error code 06-03 in Toyota 8FG30.
I check everything such as EThro fuse.
All wiring.throttel body and DC motor Ohms.
Accelerator.
So I check ecu and found problem in throttle motor IC(transistor).
I replace all IC,diode, resistor.....
But error code wasn't clear and throttle body doesn't work.
Do it need reprogramming ecu or this ECU didn't repair for this error?!!
  • Posted 29 Jun 2025 05:51
  • By Afshin
  • joined 29 Aug'23 - 34 messages
  • Iran, Islamic Republic Of
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