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Circuit/System Testing

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.
WARNING: Refer to Battery Disconnect Warning .
  1. Inspect the battery for a cracked, broken, or damaged case, which may be indicated by battery acid leakage.
    • If there is any apparent damage, replace the battery.
  2. Verify the cold cranking amperage (CCA), and reserve capacity (RC) and/or amp hour (AH) rating of the battery to the original battery or original equipment (OE) specification. Refer to Battery Usage .
    • If the battery does not meet or exceed specifications, replace the battery.
  3. Verify that the battery cables are clean and tight. The battery terminal bolts should be torqued as specified in Fastener Tightening Specifications .
    • If the battery cable(s) need to be cleaned, clean as required and tighten as specified.
    • If the battery cable(s) are damaged, replace then tighten as specified.
  4. Install the J 42000  and follow directions supplied by the tester. See Special Tools .
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