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) 2022-2025 Service Manual: Relay Box (Engine Compartment)
- Inspection Power Relay (Type A) 1.There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals. 2.There should be no continuity between the No.30 and No.87 terminals when power is disconnected.[Engine room relay box] ...

Hyundai Tucson (NX4) 2022-2025 Service Manual: Troubleshooting
- Troubleshooting     • Be careful not to short-circuit the wiring by the body or other wirings. • In case of discharging problem, measure dark current at all times.(Charging System - "Dark Current Inspection") • When checking the alternator main fuse, perform continui ...