CLAAS 777Ah – Claas Eng A15 Engine Module: Input Voltage of the Fresh Air Intake Temperature Low

The engine module ENG (A15) is using a default intake fresh air temperature of 50°C due to a low input voltage from the fresh air intake temperature sensor. The engine protection function related to the fresh air maximum temperature EGR is deactivated.

1. 1

   The fresh air intake temperature sensor (B222)

2. 2

   The engine module ENG (A15)

1. 1

   Inspect

   Inspect the fresh air intake temperature sensor (B222) for damage, loose connections, or corrosion.

2. 2

   Test

   Test the fresh air intake temperature sensor (B222) for proper operation using a multimeter or diagnostic tool.

3. 3

   Check

   Check the wiring and connections between the fresh air intake temperature sensor (B222) and the engine module ENG (A15).

4. 4

   Verify

   Verify the operation of the engine module ENG (A15) to ensure it is receiving correct signals from the fresh air intake temperature sensor (B222).