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 sensor, telescopic sensor and door mirror sensors from the automatic drive positioner control unit and transmits the operation request signal.
DTC Logic
DTC DETECTION LOGIC
DTC No. | Trouble diagnosis name | DTC detecting condition | Possible cause |
B2128 | UART COMM | The communication between driver seat control unit and automatic drive positioner control unit is interrupted for a period of time |
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DTC CONFIRMATION PROCEDURE
1. PERFORM DTC CONFIRMATION PROCEDURE
Is the DTC is detects?
Diagnosis Procedure
Regarding Wiring Diagram information, refer to ADP-150, "Wiring Diagram".
1.PERFORM DTC CONFIRMATION PROCEDURE
Is the DTC displayed again?
2. CHECK UART COMMUNICATION LINE CONTINUITY
Is the inspection result normal?
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 ...
Predictive Forward Collision Warning (PFCW) (if so equipped)
WARNING
Failure to follow the warnings and instructions
for proper use of the PFCW system
could result in serious injury or death.
The PFCW system can help warn the
driver before a collision occurs but will
not avoid a collision. It is the driver's
responsibility to stay alert, drive sa ...
Main line between ADP and DLC circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (connector side
and harness side).
Harness connector B1
Harness connect ...