Hyundai Tucson: Idle Stop and Go (ISG) System / ISG System Off
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Type A
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Type B
Press the ISG OFF button to turn off the ISG system. The ISG OFF button indicator illuminates. To use the system, press the ISG OFF button again.
ISG System Operation
Prerequisite for activation
The driver's seatbelt is fastened.
The driver's door and hood are closed.
The brake vacuum pressure is
adequate.
The battery sensor is activated and
the bat ...
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 ...
Other information:
Hyundai Tucson (NX4) 2022-2026 Service Manual: Repair procedures
- On-vehicle Inspection
Inspect ignition coil assembly and Perform spark test
1.Check for DTCs.
• If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide)
2.Check if sparks occur. â– Without diagnostic tool(1)Rem ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Crankcase Emission Control System
Description and Operation
- Description
A : Crankcase pressure regulating valve (PRV)B : Breather hoseC : Intake hoseD : Air flowE : Intake manifoldF : Cylinder block
â‘ Blow-by gas flowâ‘¡ Blow-by gas inflow to the cylinder head cover
throungh the cylinder block & head & chain c ...
