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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1807 (Hydraulic Brake System) >> Diagnostic Information and Procedures >> DTC C1109 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the hill hold valve.
  2. Test for infinite ohms of resistance between the solenoid terminals and ground.
    • If less than infinite ohms, replace the hill hold valve solenoid assembly.
  3. Test for 2-3 ohms of resistance between terminals at the hill hold valve solenoid.