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. Text in Illustration
(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. Text in Illustration
HINT: Measure the values on the wire harness side while the connector is connected.
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Toyota Tundra Service Manual > Audio And Visual System: Panel Switches do not Function
CAUTION / NOTICE / HINT NOTICE: After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System). PROCEDURE 1. CHECK PANEL SWITCH (a) Check for foreign matter on the display. OK: The display ...