Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2015 Lexus IS 250 and 2014 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
[OFF malfunction]
Both of the following conditions are met: OFF malfunction (A), and OFF malfunction (B) or (C)
OFF MALFUNCTION (A)
| Turbine speed/Output speed (NT/NO) | 0.65 or more, and 0.79 or less (This means actual gear is 5th) |
OFF MALFUNCTION (B)
| Turbine speed-Output speed x 5th gear ratio (NT-NO x 5th gear ratio) |
1000 rpm or more |
OFF MALFUNCTION (C)
| Turbine speed-Output speed x 6th gear ratio (NT-NO x 6th gear ratio) |
1000 rpm or more |
[ON malfunction]
Both of the following conditions are met: ON malfunction (A) and (B)
2 detections are necessary per driving cycle:
1st detection; temporary flag ON
2nd detection; pending fault code ON
ON MALFUNCTION (A)
| Turbine speed/Output speed (NT/NO) | 1.91 or more, and 2.50 or less (This means actual gear is 2nd) |
ON MALFUNCTION (B)
| Turbine speed/Output speed (NT/NO) | 0.65 or more, and 0.79 or less (This means actual gear is 5th) |