Diagnosis and Testing: Battery: Notes
WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
The battery must be completely charged and the terminals should be properly cleaned and inspected before diagnostic procedures are performed. See Electrical/Battery System - Cleaning and Electrical/Battery System - Inspection for the proper battery cleaning and inspection procedures. See Electrical/Battery System/BATTERY - Standard Procedure for the proper battery charging procedures.