CLAAS 7746h – Claas Eng A15 Engine Module: Crankshaft Position Sensor Signal Invalid

The crankshaft position sensor (B231) is not providing a valid signal. The engine module (ENG A15) reduces engine power by 20% per minute until it reaches 50% of its nominal power.

1. 1

   The crankshaft position sensor (B231)

2. 2

   The engine module (ENG A15)

1. 1

   Inspect

   Inspect the crankshaft position sensor (B231) for physical damage or loose connections.

2. 2

   Test

   Test the crankshaft position sensor (B231) for proper signal output using a diagnostic tool.

3. 3

   Verify

   Verify the operation of the engine module (ENG A15) to ensure it is receiving and processing the signal correctly.