Battery Load Test

WARNING: This page is about a different car, the 2004 Mazda Tribute, 2003 Mazda Tribute, and 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

With the engine running, turn the A/C on, the blower motor on high speed and the headlights on high beam.
Increase the engine speed to approximately 2000 RPM. The voltage should increase a minimum of 0.5 volt above the base voltage.
- If the voltage does not increase as specified, perform GENERATOR LOAD TEST and GENERATOR NO LOAD TEST .
- If the voltage increases as specified, the charging system is operating normally.