Component Inspection

Engine Control
P2138 Accelerator Position Sensor 1 & 2 Signal Voltage Correlation - Inspection/Repair:_:Component Inspection

Component Inspection

Check APS
1. IG "OFF" and install a GDS
2. Connect probe to APS1 and APS2 to check signal waveform by using oscilloscope function.
3. Measure signal waveform of APS by pressing and depressing accellerator pedal.

Specification :Signal waveform will be displayed as follows.








Fig.1) Normal waveform of APS1 & APS2 with acceleration




4. Is the measured signal waveform O.K ?