Typical Malfunction Thresholds
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
C139A (CASE 1)
| Reaction force pressure | 4.5 MPa (45.9 kgf/cm2 , 653 psi) or more |
C139A (CASE 2)
| Reaction force pressure | 1.5 MPa (15.3 kgf/cm2 , 218 psi) or more |
C139D
| Servo pressure | 0.1 MPa (1 kgf/cm2 , 15 psi) or less |
C13CD (CASE 1)
| Both of the following conditions are met | - |
| Difference between target brake pressure and servo pressure | Higher than 2.7 to 4.14 MPa (27.5 to 42.2 kgf/cm2 , 392 to 601 psi) |
| Delay of servo pressure increase | Higher than 0.3 to 4.128 seconds |
C13CD (CASE 2)
| Both of the following conditions are met | - |
| Difference between target brake pressure and servo pressure | Higher than 1.5 MPa (15.3 kgf/cm2 , 218 psi) |
| Delay of servo pressure increase | Higher than 0.3 to 4.128 seconds |
C13CE (CASE 1 AND 2)
| Both of the following conditions are met | - |
| Difference between servo pressure and target brake pressure | Higher than 1 to 4 MPa (10.2 to 40.8 kgf/cm2 , 145 to 580 psi) |
| Delay of servo pressure decrease | Higher than 0.3 to 2.142 seconds |
C13CE (CASE 3)
| Difference between servo pressure and target brake pressure | Higher than 0.5 MPa (5.1 kgf/cm2 , 73 psi) |
C1400
| All of the following conditions are met | - |
| Servo pressure decrease (a) | Higher than 0.4 MPa (4.1 kgf/cm2 , 58 psi) |
| Gradient of servo pressure (b) | Less than -20 MPa/s |
| Servo pressure increase after ABS pump motor on after malfunction criteria (a) and (b) are met | Higher than 0.5 MPa (5.1 kgf/cm2 , 73 psi) |
| Reduction of time required to ABS pump motor voltage drop below 1.3 V at ABS pump motor voltage on to off compared with no load condition after malfunction criteria (a) and (b) are met | 0.1 seconds or more |
C14EE AND C14F7
| Either of the following conditions is met | A or B |
| A. Both of the following conditions are met | (a) and (b) |
| (a). Reaction force pressure decrease | 0.03 MPa (0.3 kgf/cm2 , 4.4 psi) or more |
| (b). Reaction force pressure after malfunction criteria (a) is met | 0.2 MPa (2 kgf/cm2 , 29 psi) or more |
| B. Both of the following conditions are met | (c) and (d) |
| (c). Reaction force pressure | Less than -0.6 MPa (-6.1 kgf/cm2 , -87 psi) |
| (d). Reaction force pressure after malfunction criteria (c) is met | 0.2 MPa (2 kgf/cm2 , 29 psi) or more |