Hyundai Sonata: Ignition Switch Assembly / Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Ignition Switch Assembly / Repair procedures

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad")

3.	Remove the steering column upper & Lower shroud.

4.	Remove the ignition switch (A) and disconnecting the Key Warning / immobilizer connector.

5.	If it is necessary to remove the key lock cylinder (A), remove the key lock cylinder (A) after pushing lock pin (B) with key ACC.

6.	Installation is the reverse of removal procedure.

Inspection

1.	Disconnect the ignition switch connector (A) and key warning switch connector (B) from under the steering column.

2.	Check for continuity between the terminals.

3.	If continuity is not specified, replace the switch.

Ignition Switch Assembly

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Lane Departure Warning System (LDWS)

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Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Schematic Diagrams
System Block Diagram Component Parts And Function Outline Component partFunctionVehicle-speed sensor, ESP/ABS Control ModuleConverts vehicle speed to pulse.ECMReceives signals from sensor and control switches.Cruise control indicatorIlluminate when CRUISE main switch is ON (Built into cluster)Cr ...

Hyundai Sonata LF 2014-2019 Service Manual: Schematic Diagrams
MDPS Circuit Diagram C-MDPS TYPE R-MDPS TYPETerminal function C-MDPS TYPE TypePin NoDescriptionBattery1Battery +2Battery -VSS(Vehicle Speed Signals)1IGN2-3-4-5-6-7High_CAN8Low_CAN R-MDPS TYPE TypePin NoDescriptionBattery1Battery -2Battery +VSS (Vehicle Speed Signals)1-2-3-4-5-6-7IGN8 ...