Hyundai Sonata LF: Indicators And Gauges / Troubleshooting

Hyundai Sonata LF 2014-2019 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     • Put on gloves to protect your hands. • When prying with a flat-tip screwdriver, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...

    Power Door Locks

    Components and Components Location Component Location 1. DDM (Driver Door Module)2. ADM (Assist Door Module)3. SJB (Smart Junction Block)4. Door lock knob5...

    Other information:

    Hyundai Sonata LF 2014-2019 Service Manual: TPMS Receiver Repair procedures


    Replacement 1. Disconnect the negative (-) battery cable. 2. Remove the glove box. (Refer to Body - "Crash Pad") 3. Remove faulty part and fit bracket assembly to new part. 4. Secure new part to vehicle and fit connector. 5. Re-connect battery and turn Ignition on...

    Hyundai Sonata LF 2014-2019 Service Manual: Door Scuff Trim Repair procedures


    Replacement [Front Door Scuff Trim]     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage...

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