DTC C146E: Open Circuit in ABS Solenoid Relay Circuit; DTC C146F: Short Circuit in ABS Solenoid Relay Circuit [06/2018 - ]: Description
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.
The ABS solenoid relay built into the skid control ECU (brake booster with master cylinder assembly) supplies power to the holding solenoid and reduction solenoid.
The ABS solenoid relay is operated 1.5 seconds after the power switch is turned on (IG), and is turned off if an open or short in the ABS solenoid is detected during self-diagnosis when the vehicle starts driving.
| DTC No. | Detection Item | INF Code | DTC Detection Condition | Trouble Area | MIL | Note |
|---|---|---|---|---|---|---|
| C146E | Open Circuit in ABS Solenoid Relay Circuit | 1135 | Either of the following is detected:
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|
Comes on |
|
| C146F | Short Circuit in ABS Solenoid Relay Circuit | 1136 | When operation of the ABS solenoid relay is not requested, the ABS solenoid relay operates (+BS terminal voltage is 3.5 V or more) for 4.5 seconds or more. | Skid control ECU (brake booster with master cylinder assembly) | Comes on |
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