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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Coupling Assembly- Installation
To install, reverse the removal procedures.
WARNING
Smear the splines (A) with molybdenum type high pressure grease.
When install the coupling, be careful not to damage the oil
seal (B).
After replacing the coupling, reset the 4
Piston Pin - Reassembly
WARNING
Thoroughly clean all parts to assembled.
Before installing the parts, apply fresh engine oil to all
sliding and rotating surfaces.
Always use new gaskets, O-ring and oil seals.
Install the crankshaft position sensor wheel
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