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Home >> Hyundai >> 2012 >> Sonata L4-2.4L >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Starting and Charging >> Keyless Start Control Module >> Service and Repair >> Button Engine Start System >> Repair Procedures
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Repair Procedures





Inspection

PDM Diagnosis With GDS
1. It will be able to diagnose defects of Smart key with GDS quickly.
GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
2. Select model and "Smart key system (Button start)" menu if you want to check PDM.




3. Select "PDM" in the manu.




4. Select "Current Data", if you want to check current data of PDM.
It provides the input/output status of each module.




5. If you want to check PDM data operation forcefully, select "Actuation test".




Input/output Current Data





Actuation Test






ESCL OPEN STATUS CHECK
1. Select the "ESCL open status check" menu if you want to check ESCL open.














Removal

1. Disconnect the negative (-) battery terminal.
2. Remove the glove box housing.

3. Remove the smart key unit (A) and PDM (B) with bracket after loosening the mounting nuts (2EA) and screw (1EA).




4. In case of Canada, remove the PDM with bracket (A) after loosening the mounting nuts and screws and shear bolt.





CAUTION:
Do not reuse the shear bolts. When installing the new shear bolts to the smart key unit, tighten the shear bolts until its head is cut off.

5. Remove the PDM from the bracket after disconnecting the connectors.

Installation

1. Install the power distribution module.
2. Install the glove box housing.