Transmission Control System

Name
Code No. 11, 12, 13, 14 - Throttle position sensor system

Description
If the TPS output becomes 4.8 V or more at idle, TPS output is excessive, and diagnostic trouble code No. 11 is output. If the TPS output becomes 0.2 V or less at times other than idling, TPS output is insufficient and diagnostic trouble code No. l2 is output. If the TPS output and the target value inside the TCM do not match even after compensation is carried out while the engine is idling, the TPS sensor is detective and diagnostic trouble code No. 13 is output. The TPS voltage becomes 0.2 V or less or 1.2 V or more while the engine is idling, the TPS adjustment is defective and diagnostic trouble code No.14 is output.

Probable cause
- Malfunction of the throttle position sensor
- Malfunction of connector
- Malfunction of TCM





Diagnosis