LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2006 >> LS 430 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

  1. DTC CHECK 

    If a malfunction code is displayed during the DTC check, check the suspected area listed for that code in the table below.

    DIAGNOSTIC TROUBLE CODES

    DTC Description
    DTC B1221  POWER WINDOW SWITCH CIRCUIT ON DRIVER DOOR
    DTC B1223  POWER WINDOW SWITCH CIRCUIT ON PASSENGER DOOR
    DTC B1226  POWER WINDOW SWITCH CIRCUIT ON REAR LEFT DOOR
    DTC B1225  POWER WINDOW SWITCH CIRCUIT ON REAR RIGHT DOOR
    DTC B1231, B1232  JAM PROTECTION LIMIT SWITCH CIRCUIT ON DRIVER DOOR, JAM PROTECTION PULSE SWITCH CIRCUIT ON DRIVER DOOR
    DTC B1233, B1234  JAM PROTECTION LIMIT SWITCH CIRCUIT ON PASSENGER DOOR, JAM PROTECTION PULSE SWITCH CIRCUIT ON PASSENGER DOOR
    DTC B1237, B1238  JAM PROTECTION LIMIT SWITCH CIRCUIT ON REAR LEFT DOOR, JAM PROTECTION PULSE SWITCH CIRCUIT ON REAR LEFT DOOR
    DTC B1235, B1236  JAM PROTECTION LIMIT SWITCH CIRCUIT ON REAR RIGHT DOOR, JAM PROTECTION PULSE SWITCH CIRCUIT ON REAR RIGHT DOOR
    Fig 1: Diagnostic Trouble Code Information Chart
    G03000741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002