Merlo A00004: Coolant Temperature Sensor Malfunction

The system has detected a malfunction related to the coolant temperature sensor. This may affect the proper monitoring of engine coolant temperature, potentially leading to operational issues or damage.

1. 1

   The coolant temperature sensor

2. 2

   The wiring and connections to the coolant temperature sensor

3. 3

   The control unit for proper operation

1. 1

   Inspect

   Inspect the coolant temperature sensor for physical damage or corrosion.

2. 2

   Test

   Test the coolant temperature sensor for proper functionality using a multimeter or diagnostic tool.

3. 3

   Check

   Check the wiring and connections to the coolant temperature sensor for continuity and proper seating.

4. 4

   Verify

   Verify the control unit is receiving the correct signal from the coolant temperature sensor.