Hyundai Creta: Engine Control System / Accelerator Position Sensor (APS)
Hyundai Creta GS 2014-2025 Service Manual / Engine Control / Fuel System / Engine Control System / Accelerator Position Sensor (APS)
Description and operation
| Description |
Accelerator Position Sensor (APS) is installed on the accelerator pedal module
and detects the rotation angle of the accelerator pedal. The APS is one of the
most important sensors in engine control system, so it consists of the two sensors
which adapt individual sensor power and ground line. The second sensor monitors
the first sensor and its output voltage is half of the first one. If the ratio
of the sensor 1 and 2 is out of the range (approximately 1/2), the diagnostic
system judges that it is abnormal.
Specifications
| Specification |
|
Test Condition |
Output Voltage (V) [Vref=5V] |
|
|
APS 1 |
APS 2 |
|
|
Idle |
0.7 ~ 0.8 |
0.28 ~ 0.48 |
|
Fully depressed |
3.85 ~ 4.35 |
1.8 ~ 2.3 |
Schematic diagrams
| Circuit Diagram |
(M/T)
(A/T)
Repair procedures
| Inspection |
| 1. |
Turn ignition switch OFF.
|
| 2. |
Disconnect the accelerator position sensor connector.
|
| 3. |
Measure resistance between voltage supply terminal and ground terminal
of APS1.
|
| 4. |
Measure resistance between voltage supply terminal and ground terminal
of APS2.
|
| 5. |
Check that the resistance is within the specification.
|
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