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 > Automatic Transmission System: Transmission Fluid Temperature Sensor "B" Circuit Low Input (P2742,P2743)
DESCRIPTION The Automatic Transmission Fluid (ATF) temperature sensor is on the transmission, just in front of the oil cooler inlet pipeline. If the ECM detects an abnormally high ATF temperature near this sensor, the ATF temperature warning light illuminates or a message is displayed in the combina ...