User's Manual

Table Of Contents
55
LAUNCH Professional 919X User Manual
2. Turn o󰀨 all electrical components, including lights, radio and A/C etc. and
stop the engine before test, tap [Conrm] to conrm.
3. Start the engine according to the prompts on the screen. After the start, the
system will display the start voltage test result.
8.1.4 Charging Health Test
This function mainly detects and analyzes the vehicle charging system,
including generator, rectier, rectier diode, etc. Through this test, we can
know that the output voltage of the generator, the rectier diode, and the
charging current is normal or not respectively.
1. After connection is properly done, go to [BTS] and select [Charging Health
Test].
2. Start the engine and start charging until the charging voltage and ripple are
normal.
3. According to the on-screen prompts, press the accelerator and increase the
engine speed to 2500rpm for 5 seconds.
4. Output the test result.