A battery can explode if you do not follow the proper procedure, causing serious injury to anyone nearby. Follow all procedures carefully and keep sparks and open flames away from the battery.

NOTE:

- To get accurate results, the temperature of the electrolyte must be between 21 and 38 °C (70 and 100 °F) before testing.
- The ECM/PCM memory must be reset after reconnecting the battery.

Test Equipment Required

- Battery Tester with:
  Voltmeter with 0−18 V scale, ammeter with 0−100 A and 0−500 A scales, and a carbon pile with 0−300 W
- 12 V Battery Charger:
  Fast charge capability of 50 A and slow charge capability of 5 A