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

   
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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: Brake Booster Components and Components Location
Components 1. Reservoir cap2. Reservoir3. Booster4. Master cylinder 5. Booster pressure sensor ...

Hyundai Elantra AD (2016-2020) Owners Manual: If the Engine Will not Start
If the Engine Doesn't Turn Over or Turns Over Slowly Be sure the shift lever is in N (Neutral) or P (Park). The engine starts only when the shift lever is in N (Neutral) or P (Park). Check the battery connections to be sure they are clean and tight. Turn on the interior light. If the ...

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