Hyundai Elantra: Button Engine Start System / Components and Components Location
| Component Location |
| 1. Smart key unit 2. Body control module (BCM) 3. Interior antenna 1 4. Interior antenna 2 5. FOB Key | 6. Start Stop Button (SSB) 7.Door handle & Door antenna 8. Bumper antenna 9. Trunk antenna 10. Trunk lid switch |
Schematic Diagrams
Circuit Diagram
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Other information:
Hyundai Elantra AD (2016-2020) Service Manual: Alternator Schematic Diagrams
Circuit Diagram
•
COM signal - When
controlling the voltage generated, the ECM sends the target voltage data
to the alternator via a PWM signal.(High voltage: 4V or higher, low
voltage: 2V or lower)
•
FR signal - The
transistor activation signal inside t ...
Hyundai Elantra AD (2016-2020) Service Manual: Smart Key Diagnostic Repair procedures
Inspection
Self Diagnosis with Scan Tool
It will be able to diagnose defects of SMART KEY system with
GDS quickly. GDS can operates actuator forcefully, input/output value
monitoring and self diagnosis.
The following three features will be major problem in SMART KEY system.
1.
Problem in ...
