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Home >> Chevrolet >> 2020 >> Trax LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.8L (2H0) >> Diagnostic Information and Procedures >> Service Bay Test >> Test Procedure

Test Procedure

NOTE:
  • If the Service Bay Test aborts or fails, a DTC will NOT be set.
  • You must not rush the scan tool selections or erroneous results or error messages could occur.
  1. Select the Service Bay Test with the scan tool.
    2. WARNING:

    Refer to Road Test Warning .

  2. Follow the instructions on the scan tool. The EVAP Service Bay Test should complete and should not abort or fail.
    • If the test aborts 

      Correct the condition for running the test, then retest.

      or

    • If the test fails 

      Repair the vehicle for the condition indicated by the failure message, then retest.

    • Go to next step: If the test passes 
      NOTE:

      There are several test parameters displayed and can vary by engine RPO.

  3. Verify that the EVAP Monitor Complete parameter, is set to YES.
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