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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 469 (Passenger Door Control System - Diagnosis) >> Circuit Inspection >> DTC B1223, B1224 Power window/door lock switch circuit on passenger door >> Circuit Description

Circuit Description

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 DTC is not output when operating switch, it means failure of switch contact. If DTC is output when not operating switch, it means stick of switch. When something wrong is found by this diagnosis, inspect each switch. Then, replace the switch if there is a problem, or check the wire harness if there is no problem.

DTC DETECTING CONDITION

DTC No. DTC Detecting Condition Trouble Area
B1223 Stick of power window switch or door lock control
  • Power window switch
  • Wire harness
B1224 Stick of door lock switch
  • Door lock control switch
  • Wire harness

HINT:

Please refer to BE section for switch inspection.

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