User Guide
1. Multimeter Jacks
2. USB Port
3. Hook
4. DC Power Supply Input Port
5. Power Button
6. Power LED – refer to Table 1-1 Power LED Description for details
7. Battery LED - refer to Table 1-2 Battery LED Description for details
8. Waveform Generator LED - lights green when operating in the
waveform generator mode
9. Multimeter LED - lights green when operating in the multimeter mode
Do not disconnect this programming device while the vehicle LED is on! If programming is interrupted while
the vehicle’s ECU is blank or only partially programmed, the module may be unrecoverable.
1 2 3 4
12 13
14
15
6
7
8
10
9
11
16 17
Lights yellow automatically at power up when VCMI is self-testing.
Lights solid green when powered on.
• Lights solid red when system failure occurs.
• Flashes red when VCMI is upgrading.
Table 1-1 Power LED Description
LED Color Description
Power
Yellow
Green
Red
• Flashes green when VCMI is charging.
• Lights solid green when fully charged or the battery level is above 50%.
Lights yellow when the battery level is above 25% but below 50%.
• Lights red when the battery level is above 10% but below 25%.
• Flashes red when the battery level is below 10%.
Table 1-2 Battery LED Description
LED Color Description
Battery
Green
Yellow
Red
Lights solid green when connected via USB cable. Flashes green when communicating.
Lights solid blue when connected via BT. Flashes blue when communicating.
Lights solid cyan when connected via Wi-Fi. Flashes cyan (blue/green) when communicating.
Lights solid magenta when connected via Internet cable. Flashes magenta (blue/red) when communicating.
Table 1-3 Vehicle LED Description
LED Color Description
Vehicle
Green
Blue
Cyan
(Blue/Green)
Magenta
(Blue/Red)
5
10. Oscilloscope LED - flashes green when operating in the
oscilloscope mode
11. Vehicle LED - refer to Table 1-3 Vehicle LED Description for details
12. Ethernet Port
13. Vehicle Data Connector (DB26-Pin)
14. Input Channel A
15. Input Channel B
16. Input Channel C
17. Input Channel D
MAXISYS MS919
MaxiFlash VCMI