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44
WORKSHOP TOOLS
Battery / Alternator Test
n When the “countdown” timer expires, an “instructional” message shows.
5. Turn the vehicle’s headlights off and return the engine to idle speed.
n A “One moment please…” message displays while the test results are retrieved.
6. When the alternator check is complete, a results screen shows charging system voltage and indicates whether
the charging system is within acceptable limits.
7. Tap Back to return to the Battery/Alternator Test menu.
8. Tap Back again to return to the Workshop Tools screen.
VIEW ALTERNATOR LIVE DATA
1. Tap Battery/Alternator Test on the Workshop Tools screen.
n The Battery/Alternator Test menu displays.
2. Tap Alternator Live Data.
n The Alternator Live Data screen displays.
3. When you are nished viewing the Alternator Live Data, tap Back to return to the Battery/Alternator Test menu.
PERFORM A BATTERY CHECK ONLY
1. Tap Battery/Alternator Test on the Workshop Tools screen.
n The Battery/Alternator Test menu displays.
2. Tap Battery Test.
n An “instructional” message displays, showing the procedures to prepare the vehicle for the
battery check.
3. Prepare the vehicle for the battery check:
n Turn the engine off.
n Place the transmission in PARK or NEUTRAL and set the parking brake.
n Make a visual check of the battery’s condition. If the battery terminals are corroded or other
damage is present, clean or replace the battery as appropriate.
n For “unsealed” batteries, make sure the water level in each cell is above the battery plates.
n Turn the ignition on. DO NOT start the engine.
4. Tap Continue to proceed.
NOTE: If the engine is running, an advisory message shows. Turn the engine off,
then turn the ignition on. DO NOT start the engine. Tap Continue to proceed.
n An “instructional” message displays.
5. Turn the vehicle’s headlights on, then tap Continue to proceed.
n A “countdown” message shows while the battery check is in process.
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