Contents Wiring diagrams Section: Door Locks & Anti-Theft Systems All sections

Keyless Entry System - Remote: Diagnosis Lexus RX I

TROUBLE SHOOTING

Note. The remote keyless entry system is part of body control system. For additional information and remote keyless entry system trouble shooting, see BODY CONTROL SYSTEMS - RX300 article.

Note. Trouble shooting is based on the assumption that basic power door lock functions are operating correctly. Also ensure anti-theft system operates normally, and check transmitter battery condition.

Verify customer complaint. Perform a visual inspection, checking for open fuses, disconnected or damaged wire harnesses and components. Repair or replace items as necessary and recheck. If no problems are found, diagnose by symptom. See SYMPTOM TESTS .

SYMPTOM TESTS

Note. Before proceeding with symptom testing, ensure multiplex system is operating properly. See MULTIPLEX CONTROL SYSTEMS - RX300 article.