| Specification |
| Pressure [MPa (kgf/cm², psi)] | Output Voltage (V) |
| 0 (0, 0) | 0.5 |
| 10 (102, 1450) | 2.5 |
| 20 (204, 2900) | 4.5 |

Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal.
Signal Waveform
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.
Inspection 1. Press the OFF switch more then 4 times within 2 seconds while pressing the MODE switch. DisplayFail description00Normal23Auto defog sensor OPEN24Auto defog sensor SHORT43Defog door potentiometer OPEN/SHORT44Defog door potentiometer * Diagnostic procedure refer to DTC code.