P0731

Test 1-2:

Test 3-5:

SYMPTOM:
P0731-GEAR RATIO ERROR IN 1ST

WHEN MONITORED:
The Transmission Gear Ratio is monitored continuously while the Transmission is in gear.

SET CONDITION:
If the ratio of the input RPM to the output RPM does not match the current Gear Ratio.

POSSIBLE CAUSES:
- RELATED DTC'S PRESENT
- INTERMITTENT GEAR RATIO ERRORS
- INTERNAL TRANSMISSION