Test 6A - Low Or High Battery
WARNING: This page is about a different car, the 1994 Plymouth Acclaim, 1994 Dodge Spirit, and 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
Using an external voltmeter, check battery voltage. If battery voltage is 11.7-13.0 volts, replace DRB. If battery voltage is not 11.7-13.0 volts, repair charging system as necessary.