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

Hyundai Elantra AD (2016-2020) 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	Replace it with TPS 2
	TPS 2 fault	Replace it with TPS 1
	TPS 1,2 fault	Throttle valve stuck at 7°
APS	APS 1 fault	Replace it with APS 2
	APS 2 fault	Replace it with 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 angle (°)Output voltage (V) [Vref = 5.0V]TPS1TPS200.54.5100.964.05201.413.59301.873.14402.322.68502.782.23603.231.77703.691.32804.140.86904.60.41984.650.35C.T (0)0.54.5W. ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Sub Frame Repair procedures
Removal 1. Loosen the wheel nuts slightly. 2. Raise the vehicle, and make sure it is securely supported. 3. Remove the front wheel and tire (A) from front hub. Tightening torque : 107.9 ~ 127.5 N.m (11.0 ~ 13.0 kgf.m, 79.6 ~ 94.0 lb-ft) • Be careful not ...

Hyundai Elantra AD (2016-2020) Service Manual: Lumber Support Units Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the front seat assembly. (Refer to Body - "Front Seat Assembly") 3. Remove the seat back. (Refer to Body - "Front Seat Back Cover") 4. Disconnect the lumber support motor connector (A). 5. Separate the retaining ...