Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Indicators And Gauges / Troubleshooting

Hyundai Elantra (CN7) 2021-2024 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

    Indicators And Gauges

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    Instrument Cluster

    Description and operation Description Abbreviation Expalnation ACUAirbag Control UnitADMAssist Door ModuleB_CANBody Controller Area NetworkBCMBody Control ModuleBCWBlind-Spot Collision WarningC_CANChassis Controller Area NetworkCLUCluster ModuleDATCDual Automatic Temp ControlDDMDriver Door ModuleESCElectronic Stability ProgramEMSEngine Ma..

    Other information:

    Hyundai Elantra (CN7) 2021-2024 Service Manual: Special service tools


    Special Service Tools Tool Name / Number Illustration Description Fuel Pressure Gauge09353-24100Used for measuring the pressure in fuel lineFuel Pressure Gauge Adapter09353-02100 Used for connecting between delivery and fuel feed tube to measure the pressure in fuel line Heated Oxygen Sensor Socket Wrench09392-1Y100Use..

    Hyundai Elantra (CN7) 2021-2024 Service Manual: Schematic diagrams


    Schematic DiagramsC-MDPSTerminal function Type Pin No Description Battery1Battery +2Battery -VSS1IGN2-3-4-5-6-7HIGH CAN8LOW CAN..

    Categories

    Odometer

    The odometer indicates the total distance that the vehicle has been driven and should be used to determine when periodic maintenance should be performed.

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