Hyundai Sonata: Engine Control System / ETC (Electronic Throttle Control) System Troubleshooting

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / ETC (Electronic Throttle Control) System Troubleshooting

Fail-Safe Mode

Item	Fail-Safe
ETC Motor	Throttle valve stuck at 7°
TPS	TPS 1 fault	ECM looks at TPS2
	TPS 2 fault	ECM looks at TPS1
	TPS 1,2 fault	Throttle valve stuck at 7°
APS	APS 1 fault	ECM looks at APS 2
	APS 2 fault	ECM looks at APS 1
	APS 1,2 fault	Engine idle state

When throttle value is stuck at 7°, engine speed is limited at below 1,500rpm and vehicle speed at maximum 40 ~ 50 km/h (25 ~ 31 mph)

ETC (Electronic Throttle Control) System Description and Operation

Description The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Instead of the traditional throttle cab ...

ETC (Electronic Throttle Control) System Specifications

Specification [Throttle Position Sensor (TPS)] Throttle angle(°)Output Voltage (V)TPS1TPS200.504.50100.964.05201.413.59301.873.14402.322.68502.782.23603.231.77703.691.32804.140.86904.600.41984.65 ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Components and Components Location
Component Location (1) 1. Smart key unit (SMK)2. Interior antenna 23. Door outside handle4. Interior antenna 15. Buzzer Component Location (2) 1. Trunk open switch2. Bumper antenna3. Trunk atenna ...

Hyundai Sonata LF 2014-2019 Service Manual: Audio Unit Components and Components Location
Components Connector Pin Information NoConnector AConnector B1Rear left speaker (+)CAN High2Front left speaker (+)-3Front right speaker (+)-4Rear right speaker (+)Steering wheel remote5--6-USB D (+)7-USB VDD8Illumination (+)AUX R IN9DetentAUX GND10Rear left speaker (-)Mic (+) B/T11Front left spe ...