DESCRIPTION This DTC is stored when LIN communication between the sliding roof drive gear sub-assembly and main body ECU (multiplex network body ECU) stops for 10 seconds or more.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE:
HINT: DTC B2325 is output when the communication between all of the following components and main body ECU (multiplex network body ECU) stops. Click here
PROCEDURE
(a) Clear the DTCs. Click here
(a) Check for DTCs. Click here
(a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (b) Disconnect the W3 sliding roof drive gear sub-assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(c) Measure the voltage according to the value(s) in the table below. Standard Voltage:
(a) Temporarily replace the sliding roof drive gear sub-assembly with a new or normally functioning one. Click here (b) Clear the DTCs. Click here
(a) Check for DTCs. Click here
(a) Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly. Click here (b) Disconnect the W3 sliding roof drive gear sub-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 > Trailer Brake Control System: System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Skid Control ECU (Brake Actuator Assembly) Trailer Brake Control ECU (Brake Control with Bracket Relay) Vehicle speed signal Master cylinder pressure signal Anti-lock brake control status signal Hill-start assist control status signal Tr ...