Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

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 damaged.

NOTE: Failure to fully charge the battery before retesting may cause false readings.

- Verify the battery condition using the Intelligent Diagnostic Charger.
- 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 and Battery Tray - Exploded View Battery and Battery Tray - Exploded View.

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