DESCRIPTION When the driver door key cylinder (key linked switch) is turned, the following occurs: 1) the door lock motor receives the signal; 2) the main body ECU (multiplex network body ECU) sends the signal to the power window regulator motors; and 3) the power window motors are activated. PROCEDURE
(a) Check for LIN communication system DTCs related to the power window control system. Click here OK: LIN communication system DTCs are not output.
(a) Check if DTC B2312 is output (See page OK: DTC B2312 is not output.
(a) Use the Data List to check if the door lock switch is functioning properly. Main Body
OK: On the Techstream screen, each item changes between ON and OFF according to above chart.
(a) Check that the manual UP/DOWN function using the master switch can operate
the front door power window LH and RH (See page
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Toyota Tundra Service Manual > Axle System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected ...
