Component Operating Range
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
C143B (CASE 1)
| All of the following conditions are met | - |
| +BS voltage | 9.5 V or more |
| Command to solenoid relay | Off |
| +BS voltage | 17.4 V or less |
| Power supply for solenoid | Less than 6 V |
C143B (CASE 2) AND C143C (CASE 2)
| All of the following conditions are met | - |
| ECU state | Pre main |
| ABS pump motor fail (C052B, C052D, C052E, C055B) | Not detected |
| Brake system voltage fail (C143B, C143C) | Not detected |
| ABS hold solenoid fail (C0597) | Not detected |
| Wheel speed sensor fail (C14E1, C14E4, C14E7, C14EA) | Not detected |
C143C (CASE 1)
| Both of the following conditions are met | - |
| Command to solenoid relay | On |
| Power supply for solenoid | 6 V or more |