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Volvo EC330B Excavator VECU Input and Output Overview

Volvo EC330B Excavator VECU Input and Output Overview

VECU Input and Output
The vehicle control unit is mounted at right wall of cabin. This controls all of functions related with vehicle according to the input signal. There is various input and output signal. The service people have to know about the function first and input-output signal to diagnose and fix the problem.Volvo Vocom 1



Function of VECU
- Self diagnose
- Machine status indication
- Mode selection
- Engine Speed Sensing Power Control(ESSPC)
- Automatic return to idle
- Automatic and one-touch power boost
- Safe start and stop
- Automatic travel speed control
- Emergency control (Limp home mode)
- Pump flow control for optional equipment(X1)

Volvo PTT 2.8


V-ECU
There are two connectors for VECU.
JA connector has 70 pins and JB has 16 pins.
When you replace the VECU, you have to check the part number of VECU because you need to run the conversion kit of VCADS Pro if failed VECU is old one.

https://www.car-auto-repair.com

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