Challenger D157: Engine Speed Sensor Fault

The fault code indicates an issue with the engine speed sensor. This component is responsible for monitoring the rotational speed of the engine and providing feedback to the control system.

1. 1

   Engine speed sensor

2. 2

   Wiring connections to the engine speed sensor

3. 3

   Signal output from the engine speed sensor

1. 1

   Inspect

   Check the engine speed sensor for physical damage or wear.

2. 2

   Inspect

   Examine the wiring and connectors associated with the engine speed sensor for corrosion, looseness, or damage.

3. 3

   Test

   Use a diagnostic tool to verify the signal output from the engine speed sensor.