DTC P0121: Throttle Position Sensor - Range/Performance Problem: Notes

NOTE: If DTCs P0121, P0122 or P0123 is displayed along with DTC P0510, perform testing for P0510 before continuing with this test. See DTC P0510 .

NOTE: Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM. Use appropriate illustration to identify harness connector locations or terminals. See CONNECTOR IDENTIFICATION .