LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1968 (Hybrid Controls - 2.4L (Hp7)) >> Diagnostic Information and Procedures >> DTC P1AAE or P1AAF >> 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. Ignition OFF, disable the hybrid system. Refer to Hybrid Battery Service Disconnect/Connect .
    2. NOTE: Refer to Fastener Tightening Specifications .
    It is important that the 3-phase cable connections are clean and the fasteners are torqued to specifications.
  2. Inspect for poor connections and any evidence of arching at the 3-phase cable connectors of the SGCM and the MGU.
  3. Disconnect the 3-phase cables from the SGCM. Refer to Generator Control Module 3-Phase Cable Assembly Replacement 
  4. Test for infinite between each of the 3-phase cables.
    • Cable U to V
    • Cable U to W
    • Cable V to W
  5. Test for infinite resistance between each of the 3-phase cables and ground.
    • If the circuits test normal, replace the SGCM.
  6. Disconnect the 3-phase cables from the MGU. Refer to Generator Control Module 3-Phase Cable Assembly Replacement .
  7. Test for less than 1 ohm on each of the 3-phase cables.
    • If the circuits test normal, replace the MGU.
    • If not within the specified value, replace the 3-phase cable assembly.
scientia non olet · About LEMON Manuals