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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 451 (Power Tilt & Telescopic Steering Column - Diagnosis) >> Circuit Inspection >> DTC B2602 Key Unlock Warning Switch Circuit Malfunction >> Inspection Procedure

Inspection Procedure

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.

Check the key unlock warning switch (See  INSPECTION  ). 

  1. NG : Replace key unlock warning switch (See  INSPECTION  ). 
  2. OK : Check for open circuit in harness and connector between key unlock warning switch and ECU (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
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