P0730

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 signals. 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:
Immediately after performing any "DTC CONFIRMATION PROCEDURE", 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" in "TRANSMISSION".
3.Make sure that output voltage of CVT fluid temperature sensor is within the range specified below.

ATF TEMP SEN : 1.0 - 2.0 V
If it is out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid)

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

Start test from 0 km/h (0 MPH)
Constant acceleration : Keep 30 seconds or more
VEHICLE SPEED : 10 km/h (6 MPH) or more
ACC PEDAL OPEN : More than 1.0/8
RANGE : "D" position
ENG SPEED : 450 rpm or more

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


Diagnosis Procedure


1. CHECK DTC

With CONSULT
1.Turn ignition switch ON.
2.Perform "Self Diagnostic Results" in "TRANSMISSION".
Are any DTC displayed?
YES-1 (DTC for "P0730" is displayed)-Replace transaxle assembly. Exploded View (2WD), (AWD).
YES-2 (DTC except for "P0730" is displayed)-Check DTC detected item. Testing and Inspection.
NO- Check intermittent incident. Intermittent Incident.