Hyundai Tucson: Ignition Switch Assembly
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Body Electrical System / Ignition Switch Assembly
Removal
- Disconnect the negative (-) batteiy terminal.
- Remove the steering column upper and lower shrouds.
(Refer to Body - "Steering Column Shroud Panel")
- Remove the ignition switch (A) after disconnecting the 6P connector (B).

- Remove the key warning and immobilizer connector (A).

- If it is necessary to remove the key lock cylinder (A), remove the key lock cylinder with key ACC.

Installation
- Install the key lock cylinder.
- Install the key warning and immobilizer connector.
- Install the ignition switch.
- Install the steering column shrouds and crash pad lower panel.
Inspection
- Disconnect the ignition switch connector (B) and key warning switch connector (A) from under the steering column.


- Check for continuity between the terminals.
- If continuity is not specified, replace the switch.

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Camshaft - Inspection
Measure the height of the cam.
Check the surface of the cam lob for wear and tear. If necessary, replace the
camshaft.
Cam height
Intake : 37.33 mm (1.4697 in.)
Exhaust : 37.44 mm (1.474 in.)
Inspect the camshaft journal clearance.
Information
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