Operation CHARM: Car repair manuals for everyone.

B2128

B2128 UART COMMUNICATION LINE

Description
Driver seat control unit performs UART communication with the automatic drive positioner control unit using 2 communication lines, TX and RX line. Driver seat control unit receives the operation signals of pedal adjusting switch, door mirror remote control switch, set switch and memory switch and the position signals of adjustable pedal sensor and door mirror sensor from the automatic drive positioner control unit and transmits the operation request signal.

DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE

Step 1-3:






Diagnosis Procedure

Step 1:




Step 1 (Continued):