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:
Specifications
Tightening Torques Item N.m kgf.m lb-ft Passenger airbag(PAB) 7.8 ~ 11.8 0.8 ~ 1.2 5.8 ~ 8.7 Curtain airbag (CAB) Bolt 7.8 ~ 10.8 0.8 ~ 1.2 5.8 ~ 8.7 Nut 3.9 ~ 5.9 0.4 ~ 0.6 2.9 ~ 4.3 Knee airbag (KAB) ...
Troubleshooting
Troubleshooting Problem Possible cause Solution Not pairing Bluetooth device of Car is not discoverable mode Enter Bluetooth pairing (searching) mode User’s phone is Bluetooth off mode User’s phone ...
Recommended lubricants and capacities
To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency that results in improved fuel ...