CLAAS 7695h – Claas Tr3 A57 3 Transmission Module: Open Circuit on the Automatic Hand Brake Engaging Solenoid Valve

An open circuit has been detected on the automatic hand brake engaging solenoid valve. This prevents the automatic hand brake from engaging properly. The issue may be due to a fault in the solenoid valve supply harness or the solenoid valve winding.

1. 1

   The solenoid valve supply harness (Y323)

2. 2

   The resistance of the solenoid valve winding (Y323)

3. 3

   The 'Auto 5' module

1. 1

   Check the solenoid valve supply harness (Y323)

   Inspect the harness for any signs of damage, disconnection, or open circuit.

2. 2

   Measure the resistance of the solenoid valve winding (Y323)

   Use a multimeter to check the resistance of the winding and compare it to the expected value.

3. 3

   Test the 'Auto 5' module

   Use tool n° 60 05 033 249 to test the 'Auto 5' module and replace it if necessary.