Section 455 (Wireless Door Lock Control System - Diagnostics)

WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

How To Proceed With Troubleshooting
Customer Problem Analysis Check
Pre-Check
Diagnostic Trouble Code Chart
Location
Terminals Of Ecu
Problem Symptoms Table
DTC 42 Wireless Door Lock Receiver Circuit Malfunction