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Automotive Diagnostic System NT809 User's Manual V1.0
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After the engine ECU, crankshaft position sensor, or crankshaft flywheel is
replaced, or the DTC 'tooth not learned' is present, tooth learning must be
performed.
6.9 Tire Pressure Monitoring System Learning
TPMS Service menu allows you to check the tire sensor IDs from the vehicle
ECU and to perform TPMS learning/relearning and reset after tires and/or
TPM sensors are replaced and/or tires are rotated.
6.10 Injector Coding
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. After the ECU or injector is replaced, injector code of each
cylinder must be confirmed or re-coded so that the cylinder can better identify
injectors to accurately control fuel injection.
6.11 ABS Bleeding
Anytime the brake system is opened to replace components such as calipers,
wheel cylinders, the master cylinder, or brake lines or hoses, air gets inside.
The air has to be removed by bleeding the brakes if you want a firm brake
pedal. Air trapped in the lines, calipers or wheel cylinders will make the pedal
feel soft and spongy. Air is compressible, so when the brakes are applied any
air bubbles in the system must first be compressed before the hydraulic fluid
will transmit pressure to apply the brakes.
6.12 Key Programming/Immobilizer
The transponder key is an aftermarket option that can be programmed for a
number of vehicles. Also known as a chip key or ignition key, this key offers a
level of convenience and security for your car. If your car is equipped with a
chip key system, only a programmed key can turn on the ignition in your
vehicle.
7 Data Manager
Data Manager menu let you review stored screenshots and test reports,
playback recorded live data and other saved files.
Typical menu options include:
● Image
● PDF
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