TERMINALS OF ECU 1. CHECK TRAILER BRAKE CONTROL ECU (BRAKE CONTROL WITH BRACKET RELAY) (a) Disconnect the J172 trailer brake control ECU (brake control with bracket relay) connector and measure the voltage or resistance on the wire harness side. ![]()
(b) Connect the J172 trailer brake control ECU (brake control with bracket relay) connector. (c) Measure the voltage and resistance according to the value(s) in the table below. If the result is not as specified, the ECU may be malfunctioning. ![]()
HINT: Measure the values on the wire harness side while the connector is connected.
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Toyota Tundra Service Manual > Power Window Control System(w/ Jam Protection Function): Power Window Motor Malfunction (B2311)
DESCRIPTION The power window regulator motor is driven by operating the power window switch. The power window regulator sub-assembly consists of the motor, regulator and ECU. This DTC is stored when the power window regulator motor has a malfunction, or the ECU built into the power window regulator ...