Diagnosis And Testing: Battery

WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Special Tool(s)

Courtesy of FORD MOTOR COMPANY

GR1 190 V3.0 Intelligent Diagnostic Charger162-00036

Battery Condition Test

Battery condition is determined by measuring battery terminal voltage after a specific discharge current is applied for a specified time period.

Visual Inspection and Diagnostic Pre-checks

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

Inspect wiring, terminals and connectors.
Inspect the battery/batteries.
Inspect the battery/batteries mounting.
Inspect the BJB connections.

PINPOINT TEST A : BATTERY CONDITION TEST

A1 TEST THE BATTERY CONDITION

NOTE: Failure to fully charge the battery/batteries before retesting may cause false readings.
- Using the Intelligent Diagnostic Charger and the battery cables removed from the battery/batteries, verify the battery/batteries condition.
Is the battery OK?

Yes RETURN the battery/batteries to service.

No If the analyzer reads REPLACE BATTERY or REPLACE-BAD CELL, INSTALL a new battery. REFER to: Battery .