User's Manual

Table Of Contents
41
LAUNCH Professional 919X User Manual
MIL.
It needs to be performed in the following cases:
1. After the engine ECU, crankshaft position sensor, or crankshaft ywheel is
replaced.
2. The DTC ‘tooth not learned’ is present.
5.6 IMMO Service
This function enables you to perform the anti-theft key matching function, so
that the immobilizer control system on the car identies and authorizes remote
control keys to normally use the car.
It needs to be performed in the following cases:
When the ignition switch key, ignition switch, combined instrument panel,
ECU, BCM, or remote control battery is replaced.
5.7 Injector Coding
This function enables you to write injector actual code or rewrite code in
the ECU to the injector code of the corresponding cylinder, so as to more
accurately control or correct cylinder injection quantity.
It needs to be performed in the following cases:
After the ECU or injector is replaced.
5.8 Battery Maintenance System Reset
This function enables you to perform a resetting operation on the monitoring
unit of vehicle battery, in which the original low battery fault information will be
cleared and battery matching will be done.
It needs to be performed in the following cases:
1. The main battery is replaced.
2. The battery monitoring sensor is replaced.