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Hyundai Equus: TPMS (Tire Pressure Monitoring System) malfunction indicator

The TPMS malfunction indicator will illuminate after it blinks for approximately one minute when there is a problem with the Tire Pressure Monitoring System.
Have the system checked by an authorized EQUUS dealer as soon as possible to determine the cause of the problem.
✽ NOTICE
If there is a malfunction with the TPMS, the low tire pressure position telltale will not be displayed even though the vehicle has an underinflated tire.
CAUTION
Low tire pressure position telltale
Changing a tire with TPMSInjector Drive Box (IDB) Schematic Diagrams
Injector Drive Box (IDB)
IDB Connector
ECM Terminal Function
Connector [C200-IDB]
Pin No.DescriptionConnected to1ECM groundChassis ground2ECM groundChassis ground3Battery power (B+)Main rela ...
Solenoid Valve Repair procedures
Removal
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Before replacing the relevant parts, use GDS equipment to fully discharge the air from the relevant parts.
(Refer to Air Suspension System - "Repair procedures ...
Fuel Tank Pressure Sensor (FTPS) Schematic Diagrams
Circuit Diagram
...