Operation CHARM: Car repair manuals for everyone.

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.

-------------------------------------------------