How to diagnose if main controller is bad on straight 2005 zaxis 120

1. #1Simon C2025-02-19 12:08

   Believe there is a switch behind the seat used to reset it with the controller. There has been a few posts in the past that said what to do next. Simon C

2. #2Diesel Dave2025-02-20 19:39

   I would verify the wire harness is good between the EC motor, EC sensor and the Main controller. Screenshots of a portion of the electrical schematic and also of the connectors involved are below. .

3. #3Blr2025-02-20 20:16

   Thanks also finally have mechanic next big bucks but thats the way it goes/ Thanks for the help

4. #4Diesel Dave2025-02-20 20:21

   Let us know the result.