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Hyundai Equus Manuals

Hyundai Equus: Troubleshooting - Indicators And Gauges - Body Electrical System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Troubleshooting

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Body Electrical System / Indicators And Gauges / Troubleshooting

Troubleshooting
Error Item
Failure symptom
Inspection items
Detailed inspections
Relevant Parts/
Components
Screen display
TFT-LCD 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
2.
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
2.
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
Illumination
Interior light brightness cannot be controlled.
1.
Connector attachments
2.
Switch
3.
Components
1.
Check if the light switch's input signal reaches the connector
2.
Check ILL- and DETENT signals
3.
Check the TAIL+ signal input
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 Repair procedures
    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the cluster fascia panel after loosening the screws. (Refer to Body - "Cluster Fascia Panel") 3. Remove the cluster asse ...

    Power Door Locks
    ...

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    Description and Operation
    Description System Overview The System offers the following features: - Human machine interface through a 1-stage button, for terminal switching and engine start. - Control of external re ...

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