Diagnostic Trouble Code Troubleshooting Procedures - DTC P0731
In this manual: Diagnostic Trouble Code Troubleshooting Procedures - DTC P0731
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| DTC P0731: Calculated 1st Gear Ratio Does Not Match Specified Value | Possible Cause |
| If, after 1st gear is engaged, the output shaft speed sensor [PG-B] signal multiplied by the 1st gear ratio does not match the input shaft speed sensor [PGA] signal, DTC P0731 is stored in the ECU memory. If this DTC occurs 4 times in succession, the transaxle enters fail-safe mode (shift control disabled) and is fixed in 3rd gear. | Input shaft speed sensor malfunction Output shaft speed sensor malfunction Underdrive clutch drum malfunction Counter drive gear or driven gear malfunction 1st and reverse brake malfunction Underdrive clutch malfunction Abnormal noise occurs |

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