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Tire Pressure Monitoring System (TPMS)
This function allows you to quickly look up the tire sensor IDs from the vehicle's ECU, as
well as to perform TPMS replacement and reset procedures after tire sensors are
replaced.
Battery Management System (BMS)
The Battery Management System (BMS) allows the tool to evaluate the battery charge
state, monitor the close-circuit current, register the battery replacement, activate the rest
state of the vehicle, and charge the battery via the diagnostic socket.
NOTE
This function is not supported by all vehicles.
The sub functions and actual test screens of the BMS may vary by vehicle, please
follow the on-screen instructions to make correct option selection.
The vehicle may use either a sealed lead-acid battery or an AGM (Absorbed Glass Mat)
battery. Lead acid battery contains liquid sulphuric acid and can spill when overturned.
AGM battery (known as VRLA battery, valve regulated lead acid) also contains sulphuric
acid, but the acid is contained in glass mats between terminal plates.
It is recommended that the replacement aftermarket battery has the same specifications,
such as capacity and type, as the exiting battery. If the original battery is replaced with a
different type of battery (e.g. a lead-acid battery is replaced with an AGM battery) or a
battery with a different capacity (mAh), the vehicle may require reprogramming of the
new battery type, in addition to, performing the battery reset. Consult the vehicle manual
for additional vehicle-specific information.
Immobilizer (IMMO) Keys
An immobilizer is an anti-theft mechanism that prevents an automobile's engine from
starting unless the correct ignition key or other device is present. This device prevents
thieves from starting the car by a method known as hot wiring. Most new vehicles have
an immobilizer as standard equipment. An important advantage of this system is that it
doesn't require the car owner to activate it; it operates automatically. An immobilizer is
considered as providing much more effective anti-theft protection than an audible alarm
alone; many auto insurance companies offer lower rates for vehicles that are equipped
with an immobilizer.
As an anti-theft device, an immobilizer disables one of the systems needed to start a
car's engine, usually the fuel supply or the ignition. This is accomplished by radio
frequency identification between a transponder in the ignition key and a device called a
radio frequency reader in the steering column. When the key is placed in the ignition, the
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