Hyundai Tucson (NX4) 2022-2026 Service Manual / Body Electrical System / Indicators And Gauges / Troubleshooting

Hyundai Tucson: Indicators And Gauges / Troubleshooting

- Troubleshooting

Error Item

Failure Symptom

Inspection Items

Detailed Inspections

Relevant Parts/
Components

Screen display

LCD-TFT screen does not turn on

1)	Connector attachments

2)	Components

1)	Check the connector attachments

2)	Check B+, IGN and GND wiring

3)	Check the components

Connectors, wiring, fuses, dashboard

Warning light

Airbag warning lamp malfunction

1)	Connector attachments

C-CAN

3)	Components

1)	Check airbag + signal (connectors)

2)	Check C-CAN (ACU4) signal

3)	Check the FPC attachment inside the dashboard

ACU Connectors, wiring, fuses, dashboard

Mode conversion

Integrated driving mode malfunction

1)	Connector attachments

Switch

3)	Components

1)	Check the switch input (connector)

2)	Check the switch signal input (disconnection or shorting)

3)	Check conversion with dashboard component

Switch connector, wiring dashboard

Warning Sound

No dashboard alarm

1)	Connector attachments

2)	Car speakers

3)	Components

1)	Check the speaker output connector

2)	Check the car speakers

Speaker connectors, wiring dashboard

Fuel indicator

Faulty fuel gauge indication

1)	Connector attachments

2)	Fuel sender

3)	Components

1)	Check fuel input and GND connectors (open, short or input resistance values)

2)	Check fuel sender

Fuel sender connector, wiring dashboard

Instrument Cluster

- Description Cluster Variant Coding As we have more options (SCC, VDC, EPB, Cubis, MDPS, TPMS, LDWS, ECS 등) in the car, the dashboard now has more information to display depending on the ch ...

Other information:

Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Important Safety Precautions
You will find many safety precautions and recommendations throughout this section, and throughout this manual. The safety precautions in this section are among the most important. Always Wear Your Seat Belt A seat belt is your best protection in all types of accidents. Airbags are design ...

Hyundai Tucson (NX4) 2022-2026 Service Manual: Injector
- Description Based on information from various sensors, the ECM can calculate the fuel amount to be injected. The fuel injector is a solenoid-operated valve and the fuel injection amount is controlled by length of injection time.In order to improve fuel economy, improve engine performance ...