DESCRIPTION The driving support ECU assembly receives a lane departure alert switch signal from the steering pad switch assembly and sends the signal to the forward recognition camera via CAN communication. WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System. Click here PROCEDURE
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: System Select / Can Bus Check. Click here
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: System Select / Health Check. (e) Check DTCs. (f) Turn the power switch off.
(a) Remove the steering pad switch assembly. Click here (b) Inspect the steering pad switch assembly. Click here
(a) Remove the spiral cable sub-assembly. Click here (b) Inspect the spiral cable sub-assembly. Click here
(a) Disconnect the G17 spiral cable sub-assembly connector. (b) Disconnect the G39 driving support ECU assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance (Check for Open):
Standard Resistance (Check for Short):
(d) Connect the G39 driving support ECU assembly connector. (e) Connect the G17 spiral cable sub-assembly connector.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Hv Model): Operation Check
OPERATION CHECK CHECK PRE-COLLISION SYSTEM SETTING (a) Turn the power switch on (IG). (b) Operate the steering pad switch assembly to change the setting of PCS on the multi-information display to "On" and check that the pre-collision system turns on. HINT: When the power switch is turned on (IG), th ...
