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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 264 (Body Control Systems - Diagnostics) >> Circuit Inspection >> Door Key Lock And Unlock Switch Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check door key lock and unlock switch.  See steps 2 and 3 under INSPECTION .
    1. OK: Go to next step.
    2. NG: Replace door key lock and unlock switch.
  2. Check harness and connector between door key lock and unlock switch and body ECU. 
    1. OK: Proceed to next circuit inspection shown in PROBLEM SYMPTOMS .
    2. NG: Repair or replace harness or connector.
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