CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detected using the Data List function of the Techstream. (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Follow the directions on the Techstream to display the Data List and select areas where momentary interruptions should be monitored. HINT:
(f) While observing the screen, gently jiggle the connectors or wire harnesses between the ECUs and sensors, or between ECUs. OK: Normal is displayed. HINT: If the display changes, this indicates that there has been a momentary interruption (open circuit) in the connector and/or wire harness. In this case, repair or replace the connectors and/or wire harnesses as one of them is faulty. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Blind Spot Monitor System(for Gasoline Model): Buzzer does not Sound
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When checking for DTCs, make sure that the blind spot monitor system is turned on. Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK RCTA BUZZER (BLIND SPOT MONITOR BUZZER) (a) Check that ...
