Hyundai Tucson: 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)TPS1TPS200.54.5100.964.05201.413.59301.873.14402.322.68502.782.23603.231.77703.691.32804.140.86904.60.41984.650.3 ...
Other information:
Hyundai Tucson (LM) 2010-2015 Service Manual: A/C Pressure Transducer Description and Operation
Description
A/C pressure transducer convert the pressure value of high
pressure line into voltage value after measure it. By converted voltage
value, engine ECU controls cooling fan by operating it high speed or low
speed. Engine ECU stop the operation of compressor when the temperature
o ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal
1.
Disconnect the vapor hose (A).
2.
Remove the PCV valve (B).
Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.
•
If the plunger does not move (PCV valve is clogged), clean or re ...