Hyundai Tucson: Idle Stop and Go (ISG) System / ISG Malfunction
ISG system may not operate if:
- The Auto Stop (
.png)
)
indicator
illuminates in yellow on the
instrument cluster. - The ISG OFF button illuminates.
Contact an authorized HYUNDAI dealer for assistance.
Conditions that Restart the
Engine
The engine is automatically restarted if:
The brake vacuum pressure is low.
The engine has stopped for about 5
minutes.
The air conditioning is ON with the fan
speed set to a certain hig ...
Calibrating the Battery Sensor
If the AGM battery is reconnected or
replaced, the ISG system does not
operate immediately. If you want to use
the system, the battery sensor needs to
be calibrated following the procedure.
1 ...
Other information:
Hyundai Tucson (NX4) 2022-2026 Service Manual: Blower Resistor (Manual)
- Inspection
1.Measure the resistance between the terminals.
2.The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)
- Replacement
1.Disconnect the negative (-) battery terminal.
2.Remove the glove box.(Refer to Body (In ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
Diagnosis with Diagnostic tool
1.In the body electrical system, failure can be quickly diagnosed by
using the vehicle diagnostic system (Diagnostic tool).The diagnostic
system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)
...
