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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 >> P240B-00-EVAP System Leak Detection Pump Heater Control Circuit Low >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. EVAPORATIVE LEAK CHECK MODULE AND PCM-2 CONNECTIONS CHECK 
    1. Check for loose, damaged or corroded connections on the Evaporative Leak Check Module or on the PCM-2.

      Are there any loose or damaged connections?

      Yes 

      No 

      • Go To  2
  2. CHECK THE WIRING BETWEEN EVAPORATIVE LEAK CHECK MODULE AND PCM-2 
    1. Check for a short circuit to ground in the wiring between the Evaporative Leak Check Module and PIN 36 of the connector on the vehicle side of the PCM-2.

      Is there a short circuit to ground in the wiring?

      Yes 

      • Repair the wiring and connections as necessary insulation to ground.
      • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

      No 

      • Go To  3
  3. EVAPORATIVE LEAK CHECK MODULE OPERATION CHECK 
    1. Check that the Evaporative Leak Check Module is working correctly.

      Fuel leak diagnosis module not working correctly

      Yes 

      • Go To  4

      No 

      • Replace the Evaporative Leak Check Module.
  4. CHECK PCM-2 OPERATION 
    1. Check that the PCM-2 is working properly.

      Is the Slave engine control module operating properly?

      Yes 

      • End of diagnosis.

      No