DTC P0121: Throttle / Pedal Position Sensor / Switch "A" Circuit Range / Performance Problem: Procedure
WARNING: This page is about a different car, the 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0121)
- Connect Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the tester on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read the DTC.
Result
Display (DTC output) Proceed to P0121 A P0121 and other DTCs B
B → GO TO DTC CHART
A → REPLACE THROTTLE BODY