DTC B1222: Driver Side Door Lock Switch Circuit Malfunction: Description
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
This DTC notifies how the switch works as follows:
If the DTC is not output when operating the switch, this means there is a failure of switch contact. If the DTC is output when not operating the switch, this means the switch is stuck. When a malfunction is found by this diagnosis, inspect each switch. Then, replace the switch if there is a problem, or check the wire harness if there is no problem.
DTC DETECTION CONDITION TABLE
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1222 | Door key lock and unlock switch stuck |
|
HINT:
Refer to the information for switch inspection (see INSPECTION ,).