Description
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Transponder (TP) – IMMO ECU Communication
TP Read Protocol
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TP / IMMO ECU / EMS Authentication Flowchart
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Components Operations
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The ECM(PCM) (A) carries out a check of the ignition key using
a special encryption algorithm, which is programmed into the transponder
as well as the ECM simultaneously. Only if the results are equal, the
engine can be started. The data of all transponders, which are valid
for the vehicle, are stored in the ECM.
ERN (Encrypted Randorn Number) value between EMS and encrypted
Immobilizer unit is checked and the validity of coded key is decided
by EMS.
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[USA] |
[CANADA] |
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The antenna coil supplies energy to the transponder.
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The antenna coil receives signal from the transponder.
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The antenna coil sends transponder signal to the Immobilizer.
It is located directly on the shroud.
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General Safety Information and Caution
Precautions
General Precautions
Please read the following precautions carefully before performing the
airbag system service.
Observe the instructions described in this manual, ...
Components and Components Location
Component Location
1. A/C relay
2. Fuel pump relay
3. Rear wiper relay
4. Blower relay
5. Buglar alarm horn realy
6. Front wiper relay
7. Starter relay
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Fuel Tank Pressure Sensor (FTPS). Schematic Diagrams
Circuit Diagram
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