in this video i will let you know about How Throttle Position Sensor Working and Setting for Idle RPM. how can you check throttle body sensor with multmeter. some time car shows p0121 or p0123 or p0120 error code on scanner which is showing some problem in tp sensor
| DIY Maintenance
#tp_sensor_santro
#tp_sensor
#tps
#throttle_body_sensor