Transmission Control Systems

Trouble Code 31-Throttle Position Sensor





8E1: CHECK 2200cc ENGINE VEHICLES.





8E2: CHECK THROTTLE POSITION SENSOR.





8E3: CHECK THROTTLE POSITION SENSOR.





8E4: CHECK HARNESS CONNECTOR BETWEEN TCM AND THROTTLE POSITION SENSOR.





8E5: CHECK HARNESS CONNECTOR BETWEEN TCM AND THROTTLE POSITION SENSOR.





8E6: CHECK THROTTLE POSITION SENSOR.





8E7: CHECK THROTTLE POSITION SENSOR.





8E8: CHECK HARNESS CONNECTOR BETWEEN TCM AND THROTTLE POSITION SENSOR.





8E9: CHECK HARNESS CONNECTOR BETWEEN TCM AND THROTTLE POSITION SENSOR.





8E10: CHECK HARNESS CONNECTOR BETWEEN TCM AND THROTTLE POSITION SENSOR.





8E11: CHECK HARNESS CONNECTOR BETWEEN TCM AND THROTTLE POSITION SENSOR.





8E12: PREPARE SUBARU SELECT MONITOR.





8E13: CHECK INPUT SIGNAL FOR TCM.





8E14: CHECK INPUT SIGNAL FOR TCM.





8E15: CHECK INPUT SIGNAL FOR TCM USING SUBARU SELECT MONITOR.





8E16: CHECK INPUT SIGNAL FOR TCM USING SUBARU SELECT MONITOR.





8E17: CHECK INPUT SIGNAL FOR TCM (THROTTLE POSITION SENSOR POWER SUPPLY).





8E18: CHECK INPUT SIGNAL FOR TCM USING SUBARU SELECT MONITOR (THROTTLE POSITION SENSOR POWER SUPPLY).





8E19: CHECK POOR CONTACT.

Diagnosis:
Input signal circuit of throttle position sensor is open or shorted.

Trouble Symptom:
Shift point too high or too low; engine brake not effected in "3" range: excessive shift shock; excessive tight corner "braking".





Wiring Diagram