LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saab >> 2005 >> 9-2X Linear, 251, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine (Diagnostics) - 2.5L >> Diagnostic Procedure With DTC >> DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit High Input >> Wiring Diagram >> Check Sensor Output
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check Sensor Output

Turn the ignition switch to ON.

Read the data of main throttle sensor signal using Vehicle Diagnostic Interface.

Is the voltage less than 4.63 V? 

YES. Go to  CHECK POOR CONTACT  . 

NO. Go to  CHECK HARNESS BETWEEN ECM & ELECTRONIC THROTTLE CONTROL  .