P0510 TOYOTA Closed Throttle Position Switch Malfunction

Possible causes – Throttle Position Switch (TPS) Adjustment– Faulty Throttle Position Switch (TPS)– Throttle Position Switch (TPS) harness open or shorted– Throttle Position Switch (TPS) circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine idle problems– Possible hard to start– Possible shifting problems

P1400 TOYOTA Sub-Throttle Position Sensor Circuit Fault

Possible causes – Sub-Throttle Position Sensor harness is open or shorted– Sub-Throttle Position Sensor circuit poor electrical connection– Faulty Sub-Throttle Position Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)