DESCRIPTION The main body ECU (multiplex network body ECU) detects the condition of the parking brake switch assembly. WIRING DIAGRAM ![]() PROCEDURE
(a) Using the Techstream, read the Data List. Click here
OK: Normal condition listed above are displayed.
(a) Remove the parking brake switch assembly. Click here (b) Inspect the parking brake switch assembly. Click here
(a) Disconnect the 3H driver side junction block assembly connector. (b) Disconnect the A5 parking brake switch assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Power Window Control System(w/o Jam Protection Function): Key-off Operation Function Operates even if Operating Conditions are not Satisfied
DESCRIPTION When the front doors are closed and the ignition switch is turned from ON to OFF, each power window regulator motor can control its power window operation for approximately 43 +/-1.5 seconds by receiving operation permission signals from the main body ECU (multiplex network body ECU). Ho ...