General Information

Automatic Transaxle
P0731 Gear 1 Incorrect Ratio - General Information

Component Location





General Description

Input speed sensor value must be equal Output speed sensor value times each gear ratio at each gear position of trasmission. That operation value equal with TCM operation value. For example Output speed sensor value is 1000RPM and 1st speed gear ratio is 3.670 then Input speed sensor value must be 3670 RPM.

DTC Description

This code is set when Input speed sensor value is different with TCM operation value, caused by control valve sticking, solenoid valve fault(most of fault is mechanical, rarely electrical fault).

DTC Detecting Condition





Specification





Signal Waveform & Data




Fig 1) "D" range 1st