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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (2.9L Pcm 1 - DTCS P06DC-00 To P2097-00) >> DTC Troubleshooting >> P1471-00-Catalyst Protection Bank 1 >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK BANK 1 MAP SENSOR AND PCM-1 CONNECTIONS 
    1. Check for loose, damaged or corroded connections on the Bank 1 MAP Sensor or on the PCM-1.

      Are there any loose or damaged connections?

      Yes 

      No 

      • Go To  2
  2. WIRING CHECK BETWEEN BANK 1 MAP AND PCM-1 
    1. Check the wiring for an open circuit or high resistance between the Bank 1 MAP Sensor and (K46) of the connector on the engine side of the PCM-1.

      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 BETWEEN BANK 1 MAP AND PCM-1 
    1. Check for a short circuit in the wiring between the Bank 1 MAP Sensor and (K46) of the connector on the engine side of the PCM-1.

      Is there a short circuit in the wiring?

      Yes 

      No 

      • Go To  4
  4. BANK 1 MAP OPERATION CHECK 
    1. Check that the Bank 1 MAP Sensor is working properly.

      Is the Bank 1 MAP Sensor operating properly?

      Yes 

      • Go To  5

      No 

  5. CHECK ENGINE CONTROL MODULE OPERATION 
    1. Check that the master engine control module is working properly.

      Is the Master engine control module operating properly?

      Yes 

      No