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Home >> Lexus >> 2002 >> LS 430 >> 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 the circuit corresponding to the code and proceed to the diagnostic procedure linked to that code.

DIAGNOSTIC TROUBLE CODE INDEX

DTC No. Circuit Inspection Trouble Area
B1221  Power Window Switch Circuit on Driver Door
  • Power window switch
  • Wire harness
  • Driver door ECU
B1222  Door Lock Switch Circuit on Driver Door
  • Door lock switch
  • Door key lock and unlock switch
  • Wire harness
  • Driver door ECU
B1231  Jam Protection Limit Switch Circuit on Driver Door
  • Jam protection limit switch
  • Wire harness
  • Driver door ECU
B1232  Jam Protection Pulse Switch Circuit on Driver Door
  • Jam protection pulse switch
  • Wire harness
  • Driver door ECU
B2211  Door Closer Motor Malfunction on Driver Door
  • Door closer motor
  • Wire harness
  • Driver door ECU