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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1981 (Hybrid Controls - 3.6L (Hp5)- DTC B008A To DTC P0B3E) >> DTC P0A8F >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the Ignition to ON.
  2. Connect a DMM to the 12V battery.
  3. Use the Device Control "APM set point control" to turn on the APM 14V system.
  4. Vary the voltage setpoint with the scan tool insuring that the DMM tracks the commanded voltage.
    • If the APM set point control fails, replace the APM.
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