Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
OFF malfunction
- When one of the following conditions is met: OFF malfunction (A), (B) or (C)OFF MALFUNCTION (A)
Both conditions are met (a) and (b) (a) Time that following conditions met continuously 0.5 seconds or more at transmission fluid temperature is 30°C (86°F))
(conditions vary with transmission fluid temperature)(b) Actual start clutch pressure - TCM indicate pressure value of SL7 -235 kPa (-2.4 kgf/cm2 , -34 psi) or less OFF MALFUNCTION (B)Start clutch Integral calculus value
(Accumulated value of (Actual start clutch pressure - TCM indicate pressure value of SL7))-431.2 kPa (-4.4 kgf/cm2 , -63 psi) or less OFF MALFUNCTION (C)Start clutch Integral calculus value
(Accumulated value of (Actual start clutch pressure - TCM indicate pressure value of SL7))-215.6 kPa (-2.2 kgf/cm2 , -31 psi) or less
ON malfunction
- When one of the following conditions is met: ON malfunction (A) or (B)ON MALFUNCTION (A)
Start clutch Integral calculus value
(Accumulated value of (Actual start clutch pressure - TCM indicate pressure value of SL7))431.2 kPa (4.4 kgf/cm2 , 63 psi) or higher ON MALFUNCTION (B)Start clutch Integral calculus value
(Accumulated value of (Actual start clutch pressure - TCM indicate pressure value of SL7))215.6 kPa (2.2 kgf/cm2 , 31 psi) or higher