FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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.