DTC P0121 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance: DTC Detecting Condition

DTC DETECTING CONDITION

Item	Detecting Condition	Possible Cause
DTC Strategy	Compare calculated MAF with MAF signal	Contact resistance in connectors Faulty TP Sensor (TPS)
Enable Conditions	1500 < Engine speed (RPM) < 3500 450 < Measured mass air flow (mg/rev.) < 1050 Coolant temp. > 60°C (140°F)
Threshold Value	Measured MAF/Calculated MAF < 0.5 or > 1.3
Diagnostic Time	110 sec.
MIL On Condition	2 Driving Cycles