DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects a drop in accumulator pressure according to the signals from the accumulator pressure sensor, then operates and stops the motor relay as well as the pump motor. The skid control ECU (brake booster with master cylinder assembly) troubleshoots the built-in motor relay drive circuit, and stores this DTC when a malfunction is detected.
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) Clear the DTCs. Click here
(b) Turn the power switch off. (c) Turn the power switch on (IG). (d) Check if the same DTC is output. Click here
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Toyota Avalon Service & Repair Manual > Hybrid Vehicle Control Ecu: Installation
INSTALLATION PROCEDURE 1. INSTALL HYBRID VEHICLE CONTROL ECU (a) Install the hybrid vehicle control ECU with the bolt and nut. Torque: Bolt : 8.0 N·m {82 kgf·cm, 71 in·lbf} Nut : 5.5 N·m {56 kgf·cm, 49 in·lbf} (b) Connect the 4 hybrid vehicle control ECU connectors. 2. INSTALL NO. 3 INSTRUMENT ...
