CLAAS 7778h: Fault in Fresh Air Intake Temperature Sensor

The fault code indicates an issue with the fresh air intake temperature sensor located on the ENG(A15) engine. This sensor is responsible for monitoring the temperature of the incoming air to the engine.

1. 1

   Sensor wiring and connections

2. 2

   Sensor itself for damage or malfunction

3. 3

   Engine control unit for proper signal processing

1. 1

   Inspect

   Check the wiring and connections to the fresh air intake temperature sensor for any signs of damage, corrosion, or loose connections.

2. 2

   Test

   Test the fresh air intake temperature sensor for proper functionality using a multimeter or diagnostic tool.

3. 3

   Replace

   If the sensor is found to be faulty, replace it with a compatible part.