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-III
1. Turn ignition switch ON.
2. Select "Data Monitor" in "TRANSMISSION".
3. Check 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 P0730.
NO - Check intermittent incident. Intermittent Incident.




Diagnosis Procedure
1.CHECK DTC
With CONSULT-III
1. Turn ignition switch ON.
2. Perform "Self Diagnostic Results" in "TRANSMISSION".
Are any DTC detected?
YES-1 (DTC for "P0730" is detected)-Replace transaxle assembly. Exploded View.
YES-2 (DTC except for "P0730" is detected)-Check DTC detected item. CONSULT-III Function (Transmission).
NO - GO TO 2.
2.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES - Replace TCM. Exploded View.
NO - Repair or replace damaged parts.