DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication. If the skid control ECU (brake booster with master cylinder assembly) stores a DTC, the brake warning light / yellow (minor malfunction) comes on in the combination meter assembly. WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake booster with master cylinder assembly), perform linear solenoid valve offset learning, ABS holding solenoid valve learning, yaw rate and acceleration sensor zero point calibration and system information memorization after performing "Reset Memory". Click here PROCEDURE
(a) Check if CAN communication system DTCs are output. Click here
(a) Check if the skid control ECU (brake booster with master cylinder assembly) connector is securely connected. OK: The connector is securely connected.
(a) Check the auxiliary battery voltage. Standard Voltage:
(a) Select the Data List on the Techstream. Click here
(b) Check the Techstream display condition of the brake warning light / yellow (minor malfunction).
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Hybrid/EV Battery Temperature Sensor "A" Voltage Out of Range (P0A9B1C,P0AC51C,P0ACA1C)
DESCRIPTION These DTCs will be stored if the difference between the maximum and minimum output of each battery temperature sensors exceeds a certain amount and if the output of one battery temperature sensor deviates from that of the other sensors. DTC No. Detection Item DTC Detection Condition Trou ...
