Hyundai Santa Fe (DM): Description and Operation
Description
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Transponder (TP) – IMMO ECU Communication
TP Read Protocol
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2. |
Transponder / IMMO ECU / EMS authentication
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Components Operations
1. |
The PCM(ECM) (A) carries out a check of the ignition
key using a special encryption algorithm, which is programmed into the
transponder as well as the PCM(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 PCM(ECM).
ERN (Encrypted Randorm Number) value between EMS
and encrypted smartra unit is checked and the validity of coded key
is decided by EMS.
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[Master Folding Key] |
[Assistant Master Key] |
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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 in front of the steering handle
lock.
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Schematic Diagrams
Circuit Diaram ...Repair procedures
Teaching Procedures 1. Key Teaching Procedure Key teaching must be done after replacing a defective PCM(ECM) or when providing additional keys to the vehicle owner. The procedure starts with a PCM(ECM) ...See also:
Rear Bumper Cover. Repair procedures
Replacement • Put on gloves to protect your hands. • When prying with a flat-tip screwdriver, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage. • ...
Steering Column and Shaft. Repair procedures
Removal 1. Disconnect the battery negative cable from the battery and then wait for at least 30 seconds. 2. Turn the steering wheel so that the front wheels can face straight ahead. 3. Remove the airbag ...
Cruise control system
1.Cruise indicator 2.Cruise set indicator The cruise control system allows you to program the vehicle to maintain a constant speed without depressing the accelerator pedal. This system is designed to ...