DESCRIPTION Parking light function:
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Check the illumination of each parking lights and daytime running lights.
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / HL AutoLeveling / Active Test. (e) Perform the Active Test according to the display on the Techstream. Body Electrical > HL AutoLeveling > Active Test
OK: Parking lights and daytime running lights illuminate.
(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly LH with RH and connect the connectors. Click here
(a) Check the operation of the parking lights and daytime running lights. OK: The parking lights and daytime running lights operate normally.
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / HL AutoLeveling (Sub) / Active Test. (e) Perform the Active Test according to the display on the Techstream. Body Electrical > HL AutoLeveling (Sub) > Active Test
OK: Parking lights and daytime running lights illuminate.
(a) Remove each headlight ECU sub-assembly, interchange the headlight assembly RH with LH and connect the connectors. Click here
(a) Check the operation of the parking lights and daytime running lights. OK: The parking lights and daytime running lights operate normally.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Motor Generator Control System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream Use the following procedure to troubleshoot the motor generator control system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CONNECT TECHSTREAM TO THE DLC3* HINT: If the Techstream indicates a communication err ...