Hyundai Tucson: Idle Stop and Go (ISG) System / ISG Malfunction
ISG system may not operate if:
- The Auto Stop (
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)
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: Schematic Diagrams
- Schematic Diagram
• The ISG system is strongly networked with the power management.
• In the event of battery replacement, disconnection of the battery
terminal or after changing the engine management system, the reference
data regarding the battery charge stat ...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Hood
Opening the Hood
1. Park the vehicle and apply the parking
brake.
2. Pull the release lever to unlatch the
hood. The hood pops open slightly.
3. Go to the front of the vehicle, raise the
hood slightly, push up the secondary
latch 1 inside of the hood center and
lift the hood 2.
4 ...
