Autel MaxiSys SCR Manual page 8

MaxiSCR
2 SCR Operation
The diagnostic program establishes a data connection with the vehicle's
urea pump through the MaxiSCR urea pump tester equipment. It can read
the information of the vehicle's urea pump, nitrogen oxygen sensor, and
liquid level temperature sensor, view the data stream parameters, and
perform action tests.
2.1 Establish vehicle communication
Establish communication between MaxiSCR system and vehicle urea
pump:
1. Connect the female adapter of the test main line to the MaxiSCR urea
pump test main line interface, and tighten the captive screws.
2. Connect the 44-pin male adapter of the 44PIN test main line to the
urea pump test harness, the other end of the urea pump test harness is
connected to the urea pump diagnostic interface, and connect to the
MaxiSCR device power supply.
3. Turn on the MaxiSys tablet diagnostic device. Make sure that the
tablet's built-in battery has sufficient power or DC power is connected.
4. Establish the communication between MaxiSys tablet diagnostic
equipment and MaxiSCR device equipment through Bluetooth pairing.
5. After the MaxiSCR device and MaxiSys tablet diagnostic device are
connected, the VCI button on the navigation bar at the bottom of the
screen will display a green "√" icon, indicating that the device is ready
to start urea pump diagnosis according to the tablet prompt.
2.2 No communication prompt
A: If the MaxiSys tablet diagnostic device is not successfully connected

with the MaxiSCR device, an "error" message will be displayed on the
screen. The "error" message indicates that the tablet diagnostic device
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