Hyundai Ioniq (AE): Indicators And Gauges / Troubleshooting

Hyundai Ioniq (AE) 2017-2022 Service & Repair 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

    Components[Super Vision Type(4.3" Color TFT)][Super Vision Type(7" TFT)]Connector Pin Information No Description No Description 1Ground21Trip switch (-)2Illumination (-)22Trip switch 1 (+)3Rheostat switch (Down)23Trip switch 2 (+)4Rheostat switch (Up)24AT ('P' Position)5-25AT ('R' Position)6Oil press switch input26AT ('N' Position)7Washer level (Low)27AT ('D' Position)8-28AT ('S' Position)9-29Multimedia - CAN (Low)10Drive mode switch input30Multimedia - CAN (High)11Detent output31-12-32Chassis - CAN (High)13-33Chassis - CAN (Low)14Fuel sender (+)_Input34-15-35-16Fuel sender (-)_Input36-17Immobillizer input37Ground18Vehicle speed output38IGN 319Airbag input (+)39IGN 120Tail lamp40Battery (+)

    Other information:

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: PTC Heater. Description and operation

    DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.

    Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Description and operation

    DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating. Classification System Cooling water used

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