DTC P0121, DTC P0122 &/Or DTC P0123: Notes
Code Definition
- DTC P0121: Throttle Position Sensor Circuit Range/Performance Malfunction
- DTC P0122: Throttle Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High Input
NOTE:
Before performing any DIAGNOSTIC TEST, refer toWARNINGS, CAUTIONS and NOTES in DIAGNOSTIC TESTS
.
NOTE:
Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt-Ohmmeter Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.