OPERATION CHECK CHECK PRE-COLLISION SYSTEM SETTING (a) Turn the engine switch on (IG). (b) Operate the steering pad switch assembly to change the setting of PCS on the multi-information display to "On" and check that the pre-collision system turns on. HINT: When the engine switch is turned on (IG), the PCS will turn on. This can be changed through a customize setting using the Techstream. (c) Operate the steering pad switch assembly to change the PCS setting to "Off" and check that the PCS warning light illuminates. 
CHECK PRE-COLLISION SYSTEM SENSITIVITY SETTING (a) Turn the engine switch on (IG). (b) Operate the steering pad switch assembly to select Change PCS Sensitivity and check that the warning timing adjustment display on the multi-information display changes between "Far", "Mid" and "Near" accordingly. HINT:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "D" Actuator Stuck Off (P27137F)
DESCRIPTION Based on signals from the accelerator position sensor and transmission revolution sensors (NT and NC), the ECM controls the solenoid (SLT) valve using a predetermined current. As a result, the line pressure is adjusted to a pressure that is appropriate for the throttle angle and engine o ...
