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. Turn off the engine.
2. Disconnect all electronic devices that were additionally installed after the vehicle was delivered, such as navigation, dashcam, etc.
3. After 4 hours with the engine off, turn the engine on and off 3 to 4 times.
Information
The ISG system may not operate in the following situations.
- There is a malfunction with the ISG
system.
- The battery is weak.
- The brake vacuum pressure is low.
If this occurs, have the vehicle inspected
by an authorized HYUNDAI dealer.
NOTICE
Hyundai Tucson (NX4) 2022-2025 Service Manual: Specifications
- Specifications
Purge Control Solenoid Valve (PCSV)
▷ SpecificationItemSpecification
Coil Resistance (Ω)18.5 - 22.5 [23°C (73.4°F)]
Fuel Tank Pressure Sensor (FTPS)
▷ Type : Piezo-Resistive Pressure Sensor▷ SpecificationPressure[kPa (kgf/cm², in H2O)]Output Voltage (V)
-6.67 (- ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Battery Sensor
- Description
Vehicles have many control units that use more electricity. These units
control their own system based on information from various sensors. It
is important to provide a stable power supply as these sensors bring
diverse information. Battery sensor is mounted on battery (-) ter ...