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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1967 (Hybrid Energy Storage System - 2.4L (Hp7)) >> Diagnostic Information and Procedures >> DTC P1A07 >> Circuit/System Testing

Circuit/System 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. Verify the DTC is set as current. If other DTCs are set diagnose those first.
  2. Disconnect BECM X1. Refer to Hybrid Battery Service Disconnect/Connect .
  3. Disconnect the current sensor harness.
  4. Test for greater than 100k ohms between terminals 9 and 10.
    • If less than specified value, replace the harness.
  5. Test for less than 1.0 ohm between terminal 9 and terminal B and between terminal 10 and D.
    • If greater than specified value, replace the harness.
  6. If the circuits test normal, replace the BECM.
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