DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the navigation receiver assembly dropping temporarily.
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(b) Check that the battery voltage. Standard voltage: 11 to 14 V HINT: This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.
(a) Clear the DTCs (See page
(b) Check for DTCs (See page
OK: No DTCs are output. Result
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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Toyota Tundra Service Manual > Trailer Brake Control System: Terminals Of Ecu
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 *a Front view of wire harness con ...