Error Item
| Failure symptom
| Inspection items
| Detailed inspections
| Relevant Parts/
Components
|
Screen display
| TFT-LCD screen does not turn on
|
|
| 1. |
Check the connector attachments |
| 2. |
Check B+, IGN and GND wiring |
| Connectors, wiring, fuses, dashboard
|
Warning light
| Airbag warning lamp malfunction
|
|
| 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. |
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. |
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. |
Check the speaker output connector |
| 2. |
Check the car speakers |
| Speaker connectors, wiring dashboard
|
Fuel indicator
| Faulty fuel gauge indication
|
|
| 1. |
Check fuel input and GND connectors
(open, short or input resistance values) |
| Fuel sender connector, wiring dashboard
|
Hyundai Equus: Troubleshooting
Instrument Cluster Repair procedures
Power Door Locks