DESCRIPTION
The millimeter wave radar sensor assembly receives information about the area in front of the vehicle from the forward recognition camera.
If the millimeter wave radar sensor assembly detects a malfunction in the forward recognition camera, it will store DTC C1AA0.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AA0 |
Front Camera Module Circuit |
While the ignition switch is ON, the forward recognition camera detects an internal malfunction for approximately 1 second or more. |
Forward recognition camera system |
PROCEDURE
1. |
GO TO FORWARD RECOGNITION CAMERA SYSTEM |
HINT:
If DTC C1AA0 is output by the pre-collision system, perform troubleshooting for the forward recognition camera system.
Click here
NEXT | ![]() |
END |
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. INSPECT BATTERY VOLTAGE
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery.
3. SELF-DIAGNOSTIC MODE (OPERATING IGNITION KEY CYLINDER)
(a) Switch to se ...
Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resis ...
System Diagram
SYSTEM DIAGRAM
This is a detailed diagram related to the main body ECU (multiplex network body
ECU).
Component
Function
Front door outside handle assembly LH
Receives request signals from the certification ECU (smart key ECU assembly) ...