Battery Drain Check: Check

NOTE: No factory-equipped vehicle should have more than a 25 mA (0.025 amp) - 50 mA (0.050) draw depending on the vehicle's accessories. Check for current drains on the battery in excess of 25 mA (0.025 amp) - 50 mA (0.050) with all the electrical accessories off and the vehicle at rest for at least 75 minutes (depending on region). Current drains can be tested with the following procedure.

NOTE: Many electronic modules draw 10 mA (0.010 amp) or more continuously.

NOTE: Typically, a drain of approximately 1 amp is attributed to an engine compartment lamp, glove compartment lamp or interior lamp staying on continually. Other component failures or wiring shorts are located by selectively pulling fuses to pinpoint the location of the current drain. When the current drain is found, the meter reading falls to an acceptable level.

NOTE: To accurately test the drain on a battery, use an in-line ammeter between the negative battery post and its respective cable. Use of a test lamp or voltmeter is not an accurate method.

NOTE: In addition to the battery drain check a parasitic draw test video is provided as an additional testing resource,