Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
malfunction code is displayed during the DTC check, check the circuit listed for that code. (Proceed to the page given for that circuit).
HINT:
The DTC detection method. (See MULTIPLEX COMMUNICATION SYSTEM - DIAGNOSIS )
Diagnostic Trouble Code Chart
| DTC No. | Detection Item | Trouble Area |
| B1222 | Door Lock Switch Circuit On Driver Door | Power Window Regulator Master Switch |
| Front Door Lock Assembly (LH) | ||
| Driver Side J/B (Body ECU) |