CLAAS 7694h – Claas Tr3 A57 3 Transmission Module: Short-circuit to ground of the automatic hand brake engaging solenoid valve

A short-circuit to ground has been detected in the automatic hand brake engaging solenoid valve. This fault prevents the automatic hand brake from engaging properly. The issue may be caused by an open circuit or a short circuit to earth in the solenoid valve supply harness.

1. 1

   The solenoid valve supply harness (Y323)

2. 2

   The solenoid valve (Y323) for a short circuit to earth

3. 3

   The “Auto 5” module using tool n° 60 05 033 249

1. 1

   Inspect

   Inspect the solenoid valve supply harness (Y323) for an open circuit.

2. 2

   Inspect

   Inspect the solenoid valve (Y323) for a short circuit to earth.

3. 3

   Test

   Use the “Auto 5” module with tool n° 60 05 033 249 to test the solenoid valve and change it if required.