DESCRIPTION The tire pressure warning ECU and receiver receives signals from the skid control ECU (brake actuator assembly) assembly via the CAN communication system.
PROCEDURE
(a) Go to CAN Communication System. Click here
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Toyota Tundra Service Manual > Sfi System: Throttle Actuator Control Motor Current Range / Performance (P2118)
DESCRIPTION The ETCS (Electronic Throttle Control System) has a dedicated power supply circuit. The voltage (+BM) is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the ETCS and cuts off the current to the throttle actuator. When the voltage becomes un ...