LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1998 >> Tercel Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Tests W/Codes >> Self-Diagnostic Tests >> DTC P0121: Throttle Position (TP) Sensor Circuit Range/Performance Fault >> Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P0121: Throttle Position (TP) Sensor Circuit Range/Performance Fault: Condition

DTC is set when ECM consistently detects more than 2 volts from VTA circuit. Possible cause is: