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: Troubleshooting
- Troubleshooting
SymptomProbable CauseRemedy
Engine misfire with abnormal internal lower engine noises.Worn bearings due to shortage orexcessive oilReplace the crankshaft and bearings as required.
Improperly installed flywheelRepair or replace the flywheel as required.
Worn piston rings.(Oil ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Direct Electro Hydraulic Actuator Coupling
- Description
4WD ECU processes signals from various sensors and determines the
current road and driving conditions. The ECU then utilizes this
information to implement precision control over the 4WD coupling's
multi-plate clutch and variably adjust the amount of torque delivered
tothe r ...
