Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

If a malfunction code is displayed during DTC check, find the circuit corresponding to the code in the table below and proceed to the appropriate section.

DIAGNOSTIC TROUBLE CODE

DTC No.	Circuit Inspection	Trouble Area
B1223	Power Window Switch Circuit on Passenger Door	Power window switch Manual door lock switch Wire harness Passenger door lock switch
B1224	Door Lock Switch Circuit on Passenger Door	Door lock switch Wire harness Front passenger door ECU
B1233	Jam Protection Limit Switch Circuit on Passenger Door	Jam protection limit switch Wire harness Front passenger door ECU
B1234	Jam Protection Pulse Switch Circuit on Passenger Door	Jam protection pulse switch Wire harness Front passenger door ECU
B2212	Door Closer Motor Malfunction on Passenger Door	Door closer motor Wire harness Front passenger door ECU