DESCRIPTION This DTC is stored if the transponder key ECU assembly does not detect that the unlock warning switch assembly is on even when the ignition switch is ON.
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Clear the DTCs. Click here
(a) Check for DTCs. Click here HINT: Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure. OK: DTC B2780 is not output.
(a) Remove the unlock warning switch assembly. Click here (b) Inspect the unlock warning switch assembly. Click here
(a) Disconnect the J18 unlock warning switch assembly connector. (b) Disconnect the J26 transponder key ECU assembly connector. (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/ Jam Protection Function): Driver Side Power Window does not Operate with Power Window Master Switch
DESCRIPTION If the manual UP/DOWN function does not operate, there may be a malfunction in the master switch, the driver side motor, or the harness or connector. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspe ...