DESCRIPTION
If forward recognition camera adjustment has not been performed or did not complete normally after the forward recognition camera was replaced with a new one, DTC C1AA9 will be stored.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AA9 |
Front Camera Module Beam Axis Not Adjusted |
The millimeter wave radar sensor assembly detects that forward recognition camera adjustment has not been completed for 1 second or more. |
Forward recognition camera system |
PROCEDURE
1. |
GO TO FORWARD RECOGNITION CAMERA SYSTEM |
HINT:
If DTC C1AA9 is output by the pre-collision system, perform troubleshooting for the forward recognition camera system.
Click here
NEXT | ![]() |
END |
Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance
is essential. It is the owner’s responsibility to perform regular checks. Toyota
recommends the following maintenance.
■ General maintenance
Should be performed on a daily basis. This can be done by yourself ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
ECM
Millimeter Wave Radar Sensor Assembly
Cruise control operation signal
Accelerator pedal idle position signal
Accel overr ...
Speaker Circuit
DESCRIPTION
If there is a short in a speaker circuit, the radio and display receiver
assembly detects it and stops output to the speakers.
Thus sound cannot be heard from the speakers even if there is no malfunction
in the radio and display receiver assembly or speakers.
If a ...