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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check BODY ECU-IG and ECU-ACC fuse. 

    CHECK: 

    Check continuity of BODY ECU-IG and ECU-ACC fuse.

    OK: 

    Continuity 

    1. NG : Replace the failure fuse. 
    2. OK : Go to next step. 
  2. Check voltage between terminals ACC, IG and E of Body ECU connector. 

    PREPARATION: 

    Turn ignition switch ON.

    CHECK: 

    Measure the voltage between terminal ACC, IG, and E.

    OK: 

    Voltage: 10 - 14V 

    1. OK : Proceed to next circuit inspection shown on problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 
    2. NG : Go to next step. 
  3. Check wire harness and connector between Body ECU and body ground (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace wire harness or connector. 
    2. OK : Check and repair wire harness and connector between Body ECU and battery.