DESCRIPTION This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The ECU operates the buzzers using a sound pattern that changes depending on the distance to the obstacle. WIRING DIAGRAM PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Advanced Parking Guidance/ICS/Intuitive P/A / Active Test. (e) Check that the front buzzer operates by performing the Active Test. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Active Test
OK: The No. 1 clearance warning buzzer sounds.
(a) Disconnect the K34 clearance warning ECU assembly connector. (b) Disconnect the G51 No. 1 clearance warning buzzer connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Replace the No. 1 clearance warning buzzer with a new or known good one. Click here
(a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Advanced Parking Guidance/ICS/Intuitive P/A / Active Test. (e) Check that the front buzzer operates by performing the Active Test. Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Active Test
OK: The No. 1 clearance warning buzzer sounds.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Steering System(for Hv Model): Parts Location
PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU *3 RACK AND PINION POWER STEERING GEAR ASSEMBLY - POWER STEERING ECU -POWER STEERING MOTOR -TORQUE SENSOR *4 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - E ...