Kia Cadenza YG: 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) |
Description The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS).
Specification [Throttle Position Sensor (TPS)] Throttle angle(°)Output Voltage (V) [Ref=5V]TPS1TPS200.54.5100.964.05201.413.59301.873.14402.322.
Other information:
Kia Cadenza YG 2016-2021 Service Manual: Description and Operation
System Overview RPAS (Rear Parking Assist System) is an electronic driving aid that warns the driver to be cautious while parking or in low speed environments. The sensor uses ultrasonic waves to detect objects within proximity of the vehicle.
Kia Cadenza YG 2016-2021 Service Manual: Lane Departure Warning System (LDWS) Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the LDWS unit cover (A). 3. Remove the LDWS unit connector (A). 4. Remove the LDWS unit after widening the mounting clips. Installation 1. Install the LDWS unit. 2.
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