Hyundai Tucson: General Information
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Control - Fuel System / General Information
Basic Troubleshooting
Basic Troubleshooting Guide

Customer Problem Analysis Sheet

Basic Inspection Procedure
Measuring Condition of Electronic Parts' Resistance
The measured resistance at high temperature after vehicle running may be high or low. So all resistance must be measured at ambient temperature (20ºC, 68ºF), unless stated otherwise.
WARNING
The measured resistance in except for ambient temperature (20ºC, 68ºF) is reference value.
- Intermittent Problem Inspection Procedure
- Connector Inspection Procedure
- Electrical Circuit Inspection Procedure
- Symptom Troubleshooting Guide Chart
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Intermittent Problem Inspection Procedure
Sometimes the most difficult case in troubleshooting is when a problem
symptom occurs but does not occur again during
testing. An example would be if a problem appears only when the vehicle is cold
but has not appeared when warm. In this
case,
Connector Inspection Procedure
Handling of Connector
a.Never pull on the wiring harness when disconnecting connectors.
b.When removing the connector with a lock, press or pull locking lever.
c.Listen for a click when locking connectors. This sound indicates that th
Electrical Circuit Inspection Procedure
Check Open Circuit
Procedures for Open Circuit
Continuity Check
Voltage Check
If an open circuit occurs (as seen in FIG. 1), it can be found by
performing Step 2 (Continuity Check Method) or Step 3
(Voltage Check Method) as sho
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DCT (Dual Clutch Transmission) System (SBW)- Removal
Components
DCT (Dual Clutch Transmission) assembly
DCT support bracket
Roll rod support bracket
Removal
Turn ignition switch OFF and disconnect the negative (-) battery cable.
Remove the air cleaner assembly and air duct.
Electronic Parking Brake (EPB)
Components
ESC Control Module (HECU)
EPB Switch
Electronic Parking Brake (EPB) actuator
Circuit Diagram
Electronic Parking Brake (EPB)- Removal
WARNING
Be careful not to damage the parts located under the vehicle (floor
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual