Toyota Corolla Cross: Ultrasonic Sensor (Front Right Center) Component Internal Failure (C1AE396)
DESCRIPTION
The front center ultrasonic sensor (FRC sensor) is installed on the front bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the front center ultrasonic sensor (FRC sensor). If an open circuit or other malfunction occurs in the front center ultrasonic sensor (FRC sensor), the front center ultrasonic sensor (FRC sensor) does not operate correctly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AE396 |
Ultrasonic Sensor (Front Right Center) Component Internal Failure |
Front center ultrasonic sensor (FRC sensor) failure |
|
CAUTION / NOTICE / HINT
NOTICE:
- Perform registration after replacing or removing and installing the
ultrasonic sensor or clearance warning ECU assembly.
Click here
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- If a DTC is detected again after the repair, turn the ignition switch to ON and turn the intuitive parking assist system on, and then clear the DTC.
PROCEDURE
|
1. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs
|
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|
2. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
C1AE396 and C1AE387 are output |
B |
|
C1AE396 is output |
C |
|
None of the above conditions are met |
D |
| A | .gif)
|
USE SIMULATION METHOD TO CHECK |
| B |
|
GO TO DTC (C1AE387) |
| D |
|
GO TO DTC CHART
|
|
|
3. |
REPLACE FRONT CENTER ULTRASONIC SENSOR (FRC SENSOR) |
(a) Replace the front center ultrasonic sensor (FRC sensor) with a known good one.
HINT:
- Click here
- All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
|
|
4. |
CLEAR DTC |
(a) Clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs
|
|
5. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
C1AE396 is output |
B |
|
None of the above conditions are met |
C |
| A |
|
END (FRONT CENTER ULTRASONIC SENSOR [FRC SENSOR] WAS DEFECTIVE) |
| B |
|
REPLACE CLEARANCE WARNING ECU ASSEMBLY
|
| C |
|
GO TO DTC CHART
|
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DESCRIPTION
This DTC is output when an open circuit or short occurs in the
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Ultrasonic Sensor (Front Right Corner) Component Internal Failure (C1AE496)
DESCRIPTION
The front corner ultrasonic sensor (FR sensor) is installed
on the front bumper. The clearance warning ECU assembly detects obstacles based
on signals it receives from the front corne
Ultrasonic Sensor (Rear Left Corner) Missing Message (C1AE687)
DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a rear corner ultrasonic sensor (RL sensor) and the clearance
warning ECU assembly, or when a
SEE MORE:
Ultrasonic Sensor (Rear Right Corner) Component Internal Failure (C1AE996)
DESCRIPTION
The rear corner ultrasonic sensor (RR sensor) is installed on
the rear bumper. The clearance warning ECU assembly detects obstacles based on signals
it receives from the rear corner ultrasonic sensor (RR sensor). If an open circuit
or other malfunction occurs in the rear corner ul
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT RADIO SETTING CONDENSER
(a) With the radio setting condenser installed, check that there is
no looseness or other abnormalities.
(b) Measure the resistance of the radio setting condenser
according to the value(s) in the table below.
