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 stores DTC C1AA0.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
C1AA0 |
Front Camera Module Circuit |
While the ignition switch to ON, the forward recognition camera detects an internal malfunction for approximately 0.3 seconds or more. |
|
CAUTION / NOTICE / HINT
NOTICE:
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Click here
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PROCEDURE
1. |
CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM) |
HINT:
Pre-collision system DTC C1AA0 may be stored due to a malfunction in the forward recognition camera system. Therefore, it is necessary to check for and troubleshoot forward recognition camera system DTCs first.
(a) Check for DTCs.
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Result |
Proceed to |
---|---|
Forward recognition camera system DTCs are not output |
A |
Forward recognition camera system DTCs are output |
B |
B | ![]() |
GO TO FORWARD RECOGNITION CAMERA SYSTEM |
|
2. |
CHECK FOR DTCs (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
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(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA0 is not output |
A |
DTC C1AA0 is output |
B |
A | ![]() |
USE SIMULATION METHOD TO CHECK |
|
3. |
REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY |
(a) Replace the millimeter wave radar sensor assembly.
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(b) Adjust the millimeter wave radar sensor assembly.
Click here
|
4. |
CHECK FOR DTCs (PRE-COLLISION SYSTEM) |
(a) Clear the DTCs.
Click here
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
Result |
Proceed to |
---|---|
DTC C1AA0 is not output |
A |
DTC C1AA0 is output |
B |
A | ![]() |
END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE) |
B | ![]() |
REPLACE FORWARD RECOGNITION CAMERA |
Toyota CH-R Service Manual > Power Steering System: PIG Power Supply Voltage (C1552,C1554)
DESCRIPTION
If a problem occurs in the system, the power source relay circuit and the motor
relay circuit are shut off to stop power assist. The ECU must be replaced when there
is a problem with the relays because the relays are built into the ECU.
DTC No.
Detection Item
...
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle
immobiliser system functions. Immobiliser system data and Diagnostic Trouble Codes
(DTCs) can be read through the vehicle Data Link Connector 3 (DLC3).
In some cases, a malfunction may ...