Wireless Door Lock Control System - Diagnostics

• How To Proceed With Troubleshooting
• Customer Problem Analysis Check
• Pre-Check
• Problem Symptoms Table
• Diagnostic Trouble Code Chart
• Parts Location
• Circuit Inspection
  • DTC B1242: Wireless door lock tuner circuit malfunction
    • Circuit Description
    • Wiring Diagram
    • Inspection Procedure
  • ECU Power Source Circuit
    • Circuit Description
    • Wiring Diagram
    • Inspection Procedure
  • Wireless Door Lock Buzzer Circuit
    • Circuit Description
    • Wiring Diagram
    • Inspection Procedure