FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Component Inspection





P2123 Throttle/Pedal Position Sensor /Switch \'D\' Circuit High Input

Inspection/Repair - Component Inspection

Component Inspection

Check APS
1. IG "OFF" and install a scantool.
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 accelerator pedal.

Specification :Signal waveform will be displayed as follows.








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





4. Is the measured resistance within specification?