Symptom Table
Before performing diagnosis, check that it is not a symptom caused by normal operation. Refer to System Description. Symptom Confirmation item Inspection item/Reference page
AEB system display does not illuminate
All of system display does not illuminate
System settings cannot be turned ON/OFF
Refer to Diagnosis Procedure
Other information display is not illuminated
Combination meter
Refer to DTC Index
AEB warning lamp does not illuminate
All of system display does not illuminate
System settings cannot be turned ON/OFF
Refer to Diagnosis Procedure
Other information display is not illuminated
Combination meter
Refer to DTC Index
AEB warning buzzer is not sounding (Warning display is functioning normally)
—
Chime does not sound...
Other information:
The following are conditions in which the
ICC system may be temporarily unavailable.
In these instances, the ICC system
may not cancel and may not be able to
maintain the selected following distance
from the vehicle ahead.
Condition A
Under the following conditions, the ICC system
is automatically canceled...
DTC Description
DTC DETECTION LOGICWhen the ignition switch is ON, the data length transmitted from each control unit is shorter than the specified length and the status continues for 2 seconds or more. DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
U0300
CAN COMM DATA
(Internal Control Module Software Incompatibility)
Diagnosis condition
When the ignition switch is ON
Signal
CAN communication data
Threshold
The data length transmitted from each control unit is shorter than the specified length and the status
Diagnosis delay time
Continues for 2 seconds or more
POSSIBLE CAUSEControl unit other than TCMFAIL-SAFE
Selector shock is large
Start is slow
Acceleration is slow
Lock-up is not performed
DTC Confirmation Procedure
PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test...