Hyundai Tucson: Engine Electrical System / Starting System

DC DC converter

- Description Due to the considerably more frequent occurrence of starting operations, the electrical load that occurs often leads to voltage dips in the vehicle network.In order to stabilize t ...

Description and Operation

- Description The starting system includes the battery, starter, solenoid switch, ignition switch, ignition lock switch, connection wires and the battery cable.When the ignition key is turned t ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Service Manual: Starter Relay
- Inspection 1.Turn ignition switch OFF and disconnect the battery negative (-) terminal. 2.Remove the fuse box cover. 3.Remove the starter relay (A). 4.Check for continuity between the terminals (30 and 87) using an ohmmeter.TerminalResistanceMeasure 30 - 871 MΩ or higherIf there is con ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Variable Intake Solenoid (VIS) Valve
- Description Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold. The VIS valve controls the vacuum modulator which activates a valve in the intake manifold. The ECM opens or closes this valve according to engine condition (Refer to below table). Engine Cond ...