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Home >> Hummer >> 2007 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.0L - Troubleshooting >> Service Bay Test >> Test Procedure
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Test Procedure

IMPORTANT: If the Service Bay Test aborts or fails a DTC will NOT be set.
  1. Install a scan tool.
  2. Select the Service Bay Test with the scan tool.
  3. CAUTION: Refer to Road Test Caution .
  4. Follow the instructions on the scan tool.
    • If the test aborts, correct the condition for running the test and then retest.
    • If the test fails, repair the vehicle for the condition indicated by the failure message on the scan tool.
  5. Verify that the EVAP I/M system status is set to YES.