LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (2.9L Pcm 2 - DTCS P2240-00 To U143B-00) >> DTC Troubleshooting >> P250B-00-Engine Oil Level Sensor Circuit Performance >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. ENGINE OIL LEVEL AND TEMPERATURE SENSOR AND THE CHECK POWERTRAIN CONTROL MODULE CONNECTION 
    1. Check for loose, damaged or corroded connections on the engine oil level and temperature sensor or on the slave Powertrain Control Module.

      Are there any loose or damaged connections?

      Yes 

      No 

      • Go to 2.
  2. WIRING CHECK ON THE ENGINE OIL LEVEL AND TEMPERATURE SENSOR AND THE POWERTRAIN CONTROL MODULE 
    1. Check the wiring for an open circuit or high resistance between the engine oil level and temperature sensor and PIN 35 of the connector on engine side of the slave powertrain control module.

      Is there a high resistance or open condition in the wiring?

      Yes 

      • Repair the open circuit or high resistance in the wiring.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go to 3.
  3. WIRING CHECK ON THE ENGINE OIL LEVEL AND TEMPERATURE SENSOR AND THE POWERTRAIN CONTROL MODULE 
    1. Check the wiring for a short circuit between the engine oil level and temperature sensor and PIN 35 of the connector on engine side of the slave powertrain control module.

      Is there a short circuit in the wiring?

      Yes 

      No 

      • Go to 4.
  4. CHECK ENGINE OIL LEVEL AND TEMPERATURE SENSOR OPERATION 
    1. Check that the engine oil level and temperature sensor is working properly.

      The engine oil level and temperature sensor is not working properly

      Yes 

      • End of diagnosis.

      No