Pinpoint Test A: Main Engine Compartment Battery 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
- Main Battery
- Wiring, terminals or connectors
Visual Inspection and Pre-checks
- Inspect wiring, terminals and connectors.
- Inspect the main engine compartment battery.
- Inspect the main engine compartment battery mounting.
- Inspect high current BJB connections.
- A1 TEST THE MAIN ENGINE COMPARTMENT BATTERY 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.
- Using the Diagnostic Battery Charger and the battery cables removed from the battery, verify the battery condition. REFER to: Battery Disconnect and Connect .
Is the battery OK?
Yes RETURN the battery to service. No If the analyzer reads REPLACE BATTERY or REPLACE-BAD CELL, INSTALL a new battery. REFER to: Battery .