DESCRIPTION When the theft deterrent system is switched from the armed state to the alarm sounding state, the main body ECU (multiplex network body ECU) transmits a signal to cause the horn to sound at intervals of 0.4 seconds. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PROCEDURE
(a) Press the horn switch and check if the horns sound. Result
(a) Remove the driver side junction block assembly. Click here
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Toyota Tundra Service Manual > Cruise Control System: Cruise Control Input Circuit (P0575)
DESCRIPTION This DTC is stored when there is a malfunction in the ECM. DTC No. Detection Item DTC Detection Condition Trouble Area P0575 Cruise Control Input Circuit While the cruise control system is operating, the cruise control system control of vehicle speed is not canceled and approximately 0.4 ...