Hyundai Sonata: 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: Fuel Pump Repair procedures
Inspection
[Fuel sender]
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel pump assembly.
3.
Using an ohmmeter, measure the resistance between terminals 1 and 6 of sender connector (A) at each float level.
Pin No.Description1Fuel sender ground 2 ...
Hyundai Sonata LF 2014-2019 Service Manual: Front Seat Belt Buckle Repair procedures
Replacement
1.
Remove the front seat assembly.
(Refer to Front Seat - "Front Seat Assembly")
2.
Remove the front seat belt buckle connector wiring harness (A).
3.
After loosening the mounting bolt, then remove the front seat belt buckle (A).
Tightening torque :
39.2 ~ 53.9 N.m (4.0 ...