Component Inspection
Engine Control
P0121 Throttle Position Sensor 1 Signal Circuit Range/Performance - Inspection/Repair:_:Component Inspection
Component Inspection
Visual TPS
1. IG KEY "OFF".(Don't disconnect sensors.)
2. Select "vehicle scopemeter" in the menu, and connect channel A,B of GDS with signal terminal TPS1,2 harness connector.
3. IG KEY "ON". And check the signal waveforms with stepping on accelerator pedal.
Specification :Refer to Signal Waveform & Data
4. Is the signal waveform within specifications?