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
1. |
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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Crash Pad. Components and Components
Location
Components
1. Main crash pad assembly
2. Center speaker grille
3. Center speaker assembly
4. Photo sensor
5. Cluster fascia lower panel
6. Cluster fascia upper panel ...
Accelerator Pedal. Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the negative (-) battery
cable.
2.
Disconnect the accelerator position sensor conn ...
Crankshaft Position Sensor (CKPS). Troubleshooting
Waveform
[NON-ISG]
This example shows a typical Crankshaft Position Sensor(CkPS) and Camshaft
Position Sensor(CMPS) waveform at idle.The PCM controls the injection and igni ...