Autel MaxiTPMS TS501 - Manual (Page 28)

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Figure 4.18
3) If user is going to retest the sensor, a prompt will come up asking
for your confirmation.
Figure 4.19
4) Press the Y button to delete all test records and enter test mode.
Or press the N button to reserve the previous data and check the
remaining untested sensors..
4.2 TPMS Relearn
This function, which provides users with quick access to the vehicle’s
ECU, enables users to do TPMS diagnostics, such as reading/writing
sensor IDs from vehicle ECU and reading/ clearing codes of TMPS
system, and to save data for later reviews and printing.
1) Connect the TPMS tool to the vehicle’s DLC with the OBDII
cable. Press the POWER BUTTON to turn on the tool.
2) Turn the ignition on but do not start the engine.