| 2 | Operating Instructions | BAT 135 Battery Tester Contents Introduction Safety Warnings and Instructions Paper Loading Test Preparation Battery Testing Start/Stop Test System Test Glossary Warranty Terms and Conditions Appendix A - System Analyzer Screens Appendix B - Surface Charge Notice Appendix C - Decoding Test Codes BAT 135 | REV.
Introduction The BAT 135 Battery Tester is used to test 6 and 12 volt batteries, and to test 12 and 24 volt charging systems. The suggested operation range is from 0 degrees Centigrade (32 degrees Fahrenheit) to 50 degrees Centigrade (122 degrees Fahrenheit) in ambient temperature.
| 4 | Operating Instructions | BAT 135 Battery Tester Test Preparation Ensure that the area around the battery is well ventilated while the battery is being tested. Clean battery terminals. Be careful to keep corrosion from coming in contact with your eyes.
Operating Instructions | BAT 135 Battery Tester | 5 | en Press to confirm the temperature. Example Press ENTER to begin the test. Note: Before the test is started, you can always return to the previous page by pressing and holding ENTER for two seconds.
| 6 | Operating Instructions | BAT 135 Battery Tester System Test Press ENTER to view the System Test screen. Example Turn off all vehicle accessory loads such as light, air conditioning, radio, etc. before starting the engine. Example...
Operating Instructions | BAT 135 Battery Tester | 7 | en Press ENTER to determine the amount of ripple from the charging system to the battery. One of two testing results will be displayed, along with the reading taken. } Ripple Detected Diodes function well in the alternator / stator.
| 8 | Operating Instructions | BAT 135 Battery Tester Starting, Lighting, Ignition (SLI) Battery A battery that performs three basic functions on all normal vehicles. Batteries given this description will have been specifically designed for service on cars and trucks within a voltage controlled electrical system. Those SLI batteries which are intended for heavy haulage vehicles fitted with large diesel motors may often be called COMMERCIAL batteries.
Operating Instructions | BAT 135 Battery Tester | 9 | en Appendix A System Analyzer Screens The following screens are available for system analysis, testing, and customization. Language Note: Current language is displayed initially. BAT 135 | REV. A | JANUARY 2018...
| 1 0 | Operating Instructions | BAT 135 Battery Tester Appendix B Surface Charge Notice The battery will hold a surface charge if the engine has been running or after the battery has been charged. The tester may prompt you to remove the surface charge. Follow the instructions indicating when to turn the headlights on and off or apply a load into the battery.
Page 11
Operating Instructions | BAT 135 Battery Tester | 11 | en Bad & Replace The battery will not hold a charge. It should be replaced immediately. Bad Cell & Replace The battery has at least one cell short circuit. It should be replaced immediately.
| 1 2 | Operating Instructions | BAT 135 Battery Tester Appendix C Decoding Test Codes Do the following to decode test codes: Download the decoding software via: https://www.boschdiagnostics.com/pro/products/bat135 Click the icon labeled “BT/RTxxx” and the sheet below will appear.
Page 13
Operating Instructions | BAT 135 Battery Tester | 13 | en BAT 135 | REV. A | JANUARY 2018...
Page 14
Bosch Automotive Service Solutions 28635 Mound Road Warren, MI 48092 USA Phone: (855) 267-2483 www.boschdiagnostics.com PN 1699200248...