Hyundai Elantra Owners and Service Manuals

Hyundai Elantra: Indicators And Gauges / Troubleshooting

Hyundai Elantra (CN7) 2021-2025 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

    ..

    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) 2021-2025 Service Manual: Fuel Pressure Control Valve (FPCV)


    Description and operation DescriptionInstalled on the high pressure fuel pump, the Fuel Pressure Regulator Valve controls the fuel amount flowing into the injectors in accordance with the ECM signal calculated based on various engine conditions. Specifications Specification Item Specification Coil Resistance (Ω)0.53 - 0.58 ..

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Heater Unit


    Components and components location Component Location1. Heater unit assemblyCompoents1. Heater unit assembly2. Heater tube cover3. Heater core assembly4. Mode control actuator [LH]5. Dummy PTC6. Temperature control actuator [LH]7. Heater case [LH]8. Separator (Out)9. Heater case [CTR]10. Heater & Blower duct seal11. DEF door assembly12. Vent door assembly13. Floor door assembly14. Mode door..

    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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