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 Owner's Manual: Cluster Display Message
(Button type)
Information
The actual message may differ from
the following cluster display message.
The following messages may differ
depending on the vehicle model.
Shifting conditions not met. Reduce
speed, then shift
This message appears when the engine
RPM is too high or when driving too f ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Manifold Absolute Pressure Sensor (MAPS)
- Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor
and is installed on the surge tank. It senses absolute pressure of the
surge tank and transfers the analog signal proportional to the pressure
to the ECM. By using this signal, the ECM calculates the intak ...
