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• Valid Automotive Electrical System Testing depends on all
the components being in good operating condition. In
addition,thebatteryMUSThavesufcientchargefortesting.Carefully
perform the following steps before attempting any electrical diagnosis.
• Inspect Belts for cracks, glazed surface and fraying. Most late model
vehicles use an automatic belt tensioner. Tighten loose belts, or replace a
faulty belt tensioner.
• Inspect Battery for terminal corrosion, loose or broken posts, cracks in the
case, loose hold-downs, low electrolyte level, moisture, and dirt around the
terminals. Attempt to charge a dead battery prior to testing (a frozen battery
mustbethawedrst!).
• Inspect Starting System. Check starter, solenoid, and regulator for loose
connections, loose mounts and frayed or cracked wires.
• Important Note: A damaged battery must be replaced before proceeding.
Check for leaks, If no leaks are
present, top off with water, if
serviceable.
Correct loose or dirty battery terminal
Correct loose or low tension
alternator belt.
INSPECTION
SETTINGS & UNIT INFORMATION
Example: Here
you can change the
battery test defaults
to suit your needs,
by touching the
appropriate setting to
modify.
To display Unit
Info, touch
the icon in the
middle lower
part of the
screen.
Example of the
Unit Info page.
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