Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2012MUSTANG V6-3.7LREPAIR AND DIAGNOSISSTARTING AND CHARGINGBATTERYTESTING AND INSPECTIONPINPOINT TESTS
2012 Ford Mustang V6-3.7L
Pinpoint Tests
2012 Ford Mustang V6-3.7LSECTION Pinpoint Tests
Pinpoint Test
Pinpoint Test A: Battery Condition Test
Normal Operation
Battery condition is determined by measuring battery terminal voltage after a specific discharge current is applied for a specified time period.
This pinpoint test is intended to diagnose the following:
- Battery charge
- Battery
PINPOINT TEST A : BATTERY CONDITION TEST
A1 TEST THE BATTERY CONDITION
NOTE: A red test-eye indicates the battery is discharged, not necessarily defective.
NOTE: Failure to fully charge the battery before retesting may cause false readings.
- Verify the battery condition using the Micro 490 Digital Battery Analyzer.
Is the battery OK?
Yes
If the meter reads GOOD BATTERY, RETURN the battery to service.
If the meter reads GOOD-RECHARGE, CHARGE the battery and RETURN it to service.
If the meter reads CHARGE & RETEST, fully CHARGE and RETEST the battery.
No
If the meter reads REPLACE BATTERY, INSTALL a new battery.
If the meter reads BAD CELL-REPLACE, INSTALL a new battery.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.