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It needs to be performed in the following cases:
•
If the service lamp is on, run car diagnostics first for troubleshooting. After that, reset
the driving mileage or driving time, so as to turn off the service lamp, and enable a
new driving cycle.
If you have changed the engine oil or electric appliances that monitor oil life, you
•
need to reset the service lamp.
3.2 ETS (Throttle Matching)
This function can utilize the car decoder to initialize the throttle actuator so that the
learning value of the ECU returns to the initial state. By doing so, the movement of the
throttle (or idle motor) can be more accurately controlled, thus adjusting the intake
volume.
It needs to be performed in the following cases:
•
After replacing the electronic control unit, the relevant characteristics of the throttle
operation have not been stored in the electronic control unit.
•
After the electric control unit is powered off, the memory of the electric control unit is
lost.
After replacing the throttle assembly, you need to match the throttle.
•
•
After replacing or disassembling the intake port, the controlling of the idle speed by
the coordination between the electronic control unit and the throttle body is affected.
The intake volume and the idle control behavior has changed while staying at the
•
same throttle opening position, although the idle throttle potentiometer behavior
hasn't changed.
3.3 SAS (Steering Angle Reset)
This function can reset the steering angle to zero to keep the car running straight.
It needs to be performed generally after replacing the steering angle position sensor,
or after replacing the mechanical parts of the steering system (such as steering gear,
steering column, tie rod ball head, steering knuckle), or after completing the four-wheel
positioning, body repair, etc.
3.4 BMS (Battery Matching)
This function can reset the monitoring unit of the car battery, by clearing the original
breakdown information about the lack of battery power to rematch the battery.
It needs to be performed in the following cases:
•
Replacement of the main battery needs to utilize battery matching to clear the
former information about the lack of power, thus avoiding false information detected
by the relevant control module which may cause the failure of some electronic
auxiliary functions. For example, the vehicle automatically stops; the sunroof can't
work by one key; electric windows can't open and close automatically.
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