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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 B2620 ECU Power Source 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.
  1. Check that the battery positive voltage is 11V or more when engine is stopped. 
    1. NG : Charge or replace battery. 
    2. OK : Go to next step. 
  2. Check ECU power source circuit (See  ECU POWER SOURCE CIRCUIT  ). 
    1. NG : Repair or replace malfunction part. 
    2. OK : Check and replace the power tilt and power telescopic ECU (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
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