CVT RE0F09B Incorrect Gear Ratio

P0730 INCORRECT GEAR RATIO

Description

TCM selects the gear ratio using the engine load (throttle position), the primary pulley revolution speed, and the secondary pulley revolution speed as input signal. Then it changes the operating pressure of the primary pulley and the secondary pulley and changes the groove width of the pulley.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If "DTC CONFIRMATION PROCEDURE" has been previously performed, always turn ignition switch OFF.
Then wait at least 10 seconds before performing the next test.

1. CHECK DTC DETECTION

With CONSULT
1.Turn ignition switch ON.
2.Select "DATA MONITOR".
3.Make sure that output voltage of CVT fluid temperature sensor is within the range below.





4.Start engine and maintain the following conditions for at least 30 consecutive seconds.





Is "P0730" detected?
YES- Go to "Diagnosis Procedure".
NO- Check intermittent incident. Intermittent Incident.


Diagnosis Procedure


1. CHECK DTC

With CONSULT
1.Turn ignition switch ON.
2.Perform "SELF-DIAG RESULTS" mode for "TRANSMISSION".
Are any DTC displayed?
YES-1- DTC for "P0730" is displayed: Go to replace transaxle assembly. Exploded View.
YES-2- DTC except for "P0730" is displayed: Go to check DTC detected item. Testing and Inspection.
NO- Check intermittent incident. Intermittent Incident.