DTC C146E: Open in ABS Solenoid Relay Circuit; DTC C146F: Short in ABS Solenoid Relay Circuit [12/2017 - 09/2018]: Description
These DTCs are stored when a problem is identified in the skid control ECU (brake actuator assembly).
The ABS solenoid relay is housed in the skid control ECU in the brake actuator assembly.
The ABS solenoid relay supplies power to the ABS solenoid and TRAC solenoid.
The solenoid relay is turned on 1.5 seconds after the engine switch is turned on (IG), and is turned off if an open or short in the solenoid is detected by self diagnosis performed when the vehicle is starting off.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| C146E | Open in ABS Solenoid Relay Circuit | Either of the following is detected:
|
|
- |
| C146F | Short in ABS Solenoid Relay Circuit | Immediately after engine switch turned on (IG) and solenoid relay is OFF, relay contact is ON continuously for 4.5 seconds or more. | Skid control ECU (brake actuator assembly) | - |
C146E DTC DETECTION CONDITIONS
| Vehicle Condition | |||
|---|---|---|---|
| Pattern 1 | Pattern 2 | ||
| Diagnosis Condition | - | - | - |
| Malfunction Status | When voltage at terminal +BS is 9.5 V or higher and solenoid relay is ON, relay contact is OFF continuously | ◦ | - |
| When solenoid relay is turned on and voltage at +BS terminal is below 9.5 V, relay contact does not turn on after | - | ◦ | |
| Detection Time | 0.22 seconds or more. | 0.22 seconds or more. | |
| Number of Trips | 1 trip | 1 trip | |