Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2003 >> RAV4 Base, AWD, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Engine Immobilizer System - Diagnostics >> Circuit Inspection >> Security Indicator Light Circuit >> Inspection Procedure

Inspection Procedure

  1. Check indicator light. 

    PREPARATION: 

    Disconnect the indicator connector.

    CHECK: 

    Connect the positive (+) lead to terminal 3 and the negative (-) lead to terminal 1 of the indicator light connector.

    Fig 1: Connecting Positive (+) Lead To Terminal 3 & Negative (-) Lead To Terminal 1 Of Indicator Light Connector
    G02838410Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: 

    Indicator light comes on. 

    NG: Replace indicator light. 

    OK: Go To Next Step. 

  2. Check harness and connector between ECM and security indicator light, and security indicator light and body ground (See page  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ) . 

    NG: Repair or replace harness or connector. 

    OK: Check and replace ECM. (When there is a malfunction that the engine immobilizer system cannot be set, proceed to the next numbered circuit inspection shown in problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ).  .