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 "A" Performance (P0711)
DESCRIPTION The ATF temperature sensor converts the fluid temperature into a resistance value for use by the ECM. The ECM applies a voltage to the temperature sensor through terminal THO1 of the ECM. The sensor resistance changes with the ATF temperature. As the temperature becomes higher, the senso ...