DTC B242E: Open in IG Circuit [11/2018 - 12/2021]: Description
WARNING: This page is about a different car, the 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The headlight ECU sub-assembly operates using the power source voltage input from the IG terminal and ECUB terminal.
The IG terminal power source voltage is supplied by turning the IG1 NO. 1 relay to ON.
The headlight ECU sub-assembly receives ignition switch ON signals from the main body ECU (multiplex network body ECU) via CAN communication, compares the ignition switch ON signal and the power source voltage supply condition of the IG terminal and monitors the result.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Note |
|---|---|---|---|---|---|
| B242E | Open in IG Circuit | Detection condition:
Malfunction status:
Malfunction duration:
|
|
HL AutoLeveling | - |
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Note |
|---|---|---|---|---|---|
| B242E | Open in IG Circuit | Detection condition:
Malfunction status:
Malfunction duration:
|
|
HL AutoLeveling (Sub) | - |