LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Lexus
>>
2004
>>
SC 430
>>
Repair and Diagnosis
>>
Body & Frame
>>
Door Locks
>>
Wireless Door Lock Control System - Diagnosis
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Wireless Door Lock Control System - Diagnosis
Expand All (for easy ctrl-f)
Collapse All
How To Proceed With Troubleshooting
Customer Problem Analysis Check
Pre-Check
Diagnostic Trouble Code Table
Location
Terminals Of Ecu
Problem Symptoms Table
DTC B1242: Wireless Door Lock Tuner Circuit Malfunction
Circuit Description
Wiring Diagram
Inspection Procedure
Only Wireless Control Function Is Inoperative
Circuit Description
Inspection Procedure
Buzzer Circuit
Circuit Description
Wiring Diagram
Inspection Procedure