CLAAS 7771h – Claas Eng A15 Engine Module: Input voltage of the turbocharger intake air temperature low

The ENG (A15) engine calculator is using a default intake air temperature of 30°C, indicating a low input voltage from the intake air temperature sensor. This suggests a potential issue with the sensor or its connection to the engine module.

1. 1

   The intake air temperature sensor (B1)

2. 2

   The engine module ENG (A15)

1. 1

   Inspect

   Inspect the intake air temperature sensor (B1) for damage, corrosion, or loose connections.

2. 2

   Test

   Test the intake air temperature sensor (B1) for proper operation using a multimeter or diagnostic tool.

3. 3

   Check

   Check the wiring and connections between the intake air temperature sensor (B1) and the engine module ENG (A15).

4. 4

   Verify

   Verify the functionality of the engine module ENG (A15) to ensure it is receiving and processing the correct signal from the intake air temperature sensor (B1).