DTC B2272 Ignition 1 Monitor Malfunction: Description
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when a malfunction occurs in the IG1D output circuit, which is between the D-IG1 relay actuation circuit inside the main body ECU and the D-IG1 relay
DTC DETECTION CONDITION AND TROUBLE AREA
| DTC Code | Detection Condition | Trouble Area |
|---|---|---|
| B2272 | D-IG1 relay actuation circuit inside main body ECU or other related circuit is malfunctioning |
|