PREPARATION
Special Service Tools
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tools

Precaution
Basic inspectionABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and
electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
...
B2128 UART communication line
Description
Driver seat control unit performs UART communication with the automatic drive
positioner control unit using 1 communication line. Driver seat control unit
receives the operation signals of ADP steering switch, door mirror remote
control switch and the position signals of tilt sens ...
RGB synchronizing signal circuit
Description
Transmit the RGB synchronizing signal to the display unit so as to
synchronize the RGB image displayed with AV control unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV con ...