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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect DLC3 terminal voltage. 
    1. Turn the ignition switch to ON.
    2. Measure the voltage between terminal 13 (TC) and 4 (CG) of the DLC3.
      Fig 1: Inspecting DLC3 Terminal Voltage
      G02913424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK: 

      Voltage: 10 to 16V 

    1. OK : Proceed to next circuit inspection shown in problem symptoms table (See  PROBLEM SYMPTOMS TABLE   ). 
    2. NG : Go to next step. 
  2. Check harness and connector. 
    1. Check for open and short circuit in the harness and connector between the ECM and DLC3 (see HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
    2. Check for open and short circuit in the harness and connector between the DLC3 and body ground (see HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).
    1. NG : Repair or replace harness or connector. 
    2. OK : Proceed to next circuit inspection shown in problem symptoms table (See  PROBLEM SYMPTOMS TABLE   ) 
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