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Home >> Lexus >> 2003 >> LX 470 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Driver Door Control System - Diagnosis >> Diagnostic Trouble Code Chart

Diagnostic Trouble Code Chart

If a malfunction code is displayed during DTC check, find out the circuit corresponding to the code in the table below .

DIAGNOSTIC TROUBLE CODE

DTC No. Circuit Inspection Trouble Area
B1221  Power Window Switch Circuit on Driver Door
  • Wire harness
  • Power Window Master Switch
B1222  Door Lock Switch Circuit on Driver Door
  • Door lock switch
  • Door key lock and unlock switch
  • Wire harness
  • Power Window Master Switch
B1231  Jam Protection Limit Switch Circuit on Driver Door
  • Jam protection limit switch
  • Wire harness
  • Power Window Master Switch
B1232  Jam Protection Pulse Switch Circuit on Driver Door
  • Jam protection pulse switch
  • Wire harness
  • Power Window Master Switch