P1121

DTC P1121: TP Sensor Signal Lower Than Expected

1. Turn the ignition switch ON (II).
2. Check the TP SENSOR in the DATA LIST with the HDS

Is 3.6 °, 13 6 %, or 0.68 V or higher indicated when the throttle is fully opened?

YES - Intermittent failure, system is OK at this time.

NO - Replace the throttle body.