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.
Pinpoint Test B: Auxiliary Battery(IES) Condition Test
2021 Ford Edge SE, 4WDSECTION Pinpoint Test B: Auxiliary Battery(IES) Condition Test
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- Normal Operation and Fault Conditions
Battery condition is determined by measuring battery terminal voltage after a specific discharge current is applied for a specified time period.
Possible Sources
- Auxiliary Battery(ies)
- Wiring, terminals or connectors
Visual Inspection and Pre-checks
- Inspect wiring, terminals and connectors.
- Inspect the auxiliary battery(ies).
- Inspect the auxiliary battery(ies) mounting.
- Inspect high current BJB connections.
- B1 TEST THE AUXILIARY BATTERY(IES) CONDITIONNOTE: If equipped, vehicles with an auxiliary battery(ies) must be disconnected in addition to the main 12 volt battery to remove the 12 voltage from the vehicle or vehicle damage may occur.NOTE: Failure to fully charge the battery before retesting may cause false readings.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.