Wireless Door Lock Buzzer Circuit
NOTE:
If LEXUS scan tool is available, start test from step 1). If this scan tool is not available, start test from step 2).
- Check Wireless Door Lock Buzzer Using Scan Tool
Using scan tool, operate wireless door lock buzzer in ACTIVE TEST. If wireless door lock buzzer does not operate, go to next step. If wireless door lock buzzer operates, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table. - Check Wireless Door Lock Buzzer
Check wireless door lock buzzer. See WIRELESS DOOR LOCK BUZZER under COMPONENT TESTS. If buzzer is okay, go to next step. Replace wireless door lock buzzer as necessary. Retest system operation. - Check Wireless Door Buzzer Switch
Check wireless door lock buzzer. See WIRELESS DOOR LOCK BUZZER under COMPONENT TESTS. If buzzer is okay, go to next step. Replace wireless door lock buzzer as necessary. Retest system operation. - Check Circuits
Check circuits for faults between wireless door lock buzzer and body control ECU No. 1. See WIRING DIAGRAMS. Repair or replace as necessary. If circuits are okay, go to next test listed in appropriate TROUBLE SHOOTING SYMPTOMS table.