CLAAS 772Ah – Claas Eng A15 Engine Module: Input voltage of the engine coolant high

The engine coolant temperature input voltage is high. The system uses a default coolant temperature of 90°C. The issue may be related to the engine cooling circuit, the engine coolant temperature sensor (B45), or the engine module ENG (A15).

1. 1

   The engine cooling circuit

2. 2

   The engine coolant temperature sensor (B45)

3. 3

   The engine module ENG (A15)

1. 1

   Inspect

   Inspect the engine cooling circuit for leaks, blockages, or damage.

2. 2

   Test

   Test the engine coolant temperature sensor (B45) for proper operation.

3. 3

   Verify

   Verify the functionality of the engine module ENG (A15) according to the service manual.