Hyundai Tucson: Controller
Component

Connector Pin Function


Replacement
- Disconnect the negative (-) battery terminal.
- Remove the front monitor.
(Refer to Body Electrical System - "Front Monitor")
- Remove the heater & AJC control unit (A).

- Install in the reverse order of removal.
WARNING
- Replace any damaged clips.
- Make sure the connector is connected properly.
Components

Connector Pin Function


Self Diagnosis
- Self-diagnosis process.

WARNING
When operating the self-diagnostics, the below fault(self-diagnostics code) will blink at 0.5 seconds interval on the temperature display settings(driver's side only) and the remaining symbols are OFF .
- Fault code display
(1) Continuance operation : DTC code.
(2) Continuance operation : DTC code.
(3) STEP operation. 
- Nomal or one fault code is same as a continuance operation.
- DTC code.
- Self diagnostic code


- FAIL SAFE


Replacement
- Disconnect the negative (-) battery terminal.
- Remove the front monitor.
(Refer to Body Electrical System - "Front Monitor")
- Loosen the mounting screw, remove the heater & A/C control unit (A).

- Install in the reverse order of removal.
WARNING
- Replace any damaged clips.
- Make sure the connector is connected properly.
Components Location

- Heater control unit
Component

Connector Pin Function


Replacement
- Disconnect the negative (-) battery terminal.
- Remove the crash pad center panel.
(Refer to Body (Inteiror and Exterior) - "Crash Pad Center Panel")
- Disconnect the connectors (B) and remove the heater control unit (A).

- To install, reverse removal procedure.
WARNING
Make sure the connector are connected in properly.
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General Information
Description
System Description
Advanced Driver Assistance System (ADAS) analyzes the exterior environment of
a vehicle and driver status to provide
visibility / display / guide / warning for driving and parking.
System Configuration
Sp
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Horn
Component Location
Horn switch
Horn relay
Horn (Low pitch)
Horn (High pitch)
Clock spring
Removal
Remove the front bumper assembly.
(Refer to Body - "Front Bumper Assembly")
Remove the bolts and disconnect the h
ETC (Electronic Throttle control) System
Description
The Electronic Throttle Control (ETC) System consists of a throttle body with
an integrated control motor and throttle
position sensor (TPS). Instead of the traditional throttle cable, an Accelerator
Position Sensor (APS) is used to
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual