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Home >> Lexus >> 2003 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 243 (Wireless Door Lock Control System - Diagnostics) >> Diagnostic Trouble Code Chart >> Only Wireless Control Function Is Inoperative >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

The door control receiver receives signals from the transmitter and sends these signals to the multiplex network body ECU. The multiplex network body ECU then controls all the doors by sending LOCK/UNLOCK signals to each door lock actuator, buzzer signals to the wireless door lock buzzer and headlamp/taillamp and hazard warning signals to the turn signal flasher relay.