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Home >> Pontiac >> 2007 >> Solstice Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 195 (Data Communication System) >> Diagnostic Information and Procedures >> Scan Tool Does Not Power Up >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, test for less than 5 ohm between terminal 4 at the data link connector (DLC) and ground.
    • If greater than the specified value, test the ground circuit for an open/high resistance.
  2. Ignition OFF, test for less than 5 ohm between the DLC terminal 5 and ground.
    • If greater than the specified value, test the ground circuit for an open/high resistance.
  3. Ignition ON, test for B+ between the DLC terminals 16 and ground.
    • If not the specified value, test the B+ circuit for a short to ground or an open/high resistance.
  4. If all circuits test normal, refer to the scan tool user guide.
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