Operation CHARM: Car repair manuals for everyone.

Pinpoint Tests




Diagnostic Routine A

Diagnostic Overview

Battery Condition Test

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.

Visual Inspection and Diagnostic Pre-checks

- Inspect wiring, terminals and connectors

- Inspect the battery

- Inspect battery mounting

- Inspect high current BJB (Battery Junction Box) connections

Special Tool(s)






Pinpoint Test

1. 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.

1. Verify the battery condition using the Intelligent Diagnostic Charger.

Is the battery OK?