DESCRIPTION The main body ECU (multiplex network body ECU) intermittently monitors the LIN communication bus between the components related to the doors and sliding roof drive gear sub-assembly*. DTC B2325 is stored when a malfunction in the LIN communication bus between the components related to the doors and sliding roof drive gear sub-assembly* is detected consecutively 3 times.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
HINT: When DTC B2325 and a LIN communication stop DTC are output simultaneously, first perform troubleshooting for DTC B2325. Then perform troubleshooting for the LIN communication stop DTC. PROCEDURE
(a) Clear the DTCs. Click here
(a) Check for DTCs. Click here
(a) Disconnect the N2 power window regulator master switch assembly connector. (b) Disconnect the N12 front power window regulator motor assembly LH connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (b) Disconnect the N2 power window regulator master switch assembly connector. (c) Disconnect the N12 front power window regulator motor assembly LH connector. (d) Disconnect the M11 front power window regulator motor assembly RH connector. (e) Disconnect the W3 sliding roof drive gear sub-assembly connector.* (f) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Clear the DTCs. Click here
(a) Disconnect the W3 sliding roof drive gear sub-assembly connector. (b) Check for DTCs. Click here
(a) Clear the DTCs. Click here
(a) Disconnect the N2 power window regulator master switch assembly connector. (b) Check for DTCs. Click here
(a) Clear the DTCs. Click here
(a) Disconnect the N12 front power window regulator motor assembly LH connector. (b) Check for DTCs. Click here
(a) Clear the DTCs. Click here
(a) Disconnect the M11 front power window regulator motor assembly RH connector. (b) Check for DTCs. Click here
(a) Disconnect the 3I driver side junction block assembly connector. (b) Disconnect the N2 power window regulator master switch assembly connector. (c) Disconnect the N12 front power window regulator motor assembly LH connector. (d) Disconnect the M11 front power window regulator motor assembly RH connector. (e) Disconnect the W3 sliding roof drive gear sub-assembly connector.* (f) 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): Driver Side Power Window does not Operate with Power Window Master Switch
DESCRIPTION If the driver side manual UP/DOWN function does not operate, there may be a malfunction in master switch, driver side motor or harness and connector. WIRING DIAGRAM PROCEDURE 1. INSPECT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (a) Remove the front power window regulator motor assem ...