Toyota Corolla Cross: Ultrasonic Sensor (Front Left Center) Component Internal Failure (C1AE296)
DESCRIPTION
The front center ultrasonic sensor (FLC 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 (FLC sensor). If an open circuit or other malfunction occurs in the front center ultrasonic sensor (FLC sensor), the front center ultrasonic sensor (FLC sensor) does not operate correctly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AE296 |
Ultrasonic Sensor (Front Left Center) Component Internal Failure |
Front center ultrasonic sensor (FLC 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 |
|
C1AE296 and C1AE287 are output |
B |
|
C1AE296 is output |
C |
|
None of the above conditions are met |
D |
| A | .gif)
|
USE SIMULATION METHOD TO CHECK |
| B |
|
GO TO DTC (C1AE287) |
| D |
|
GO TO DTC CHART
|
|
|
3. |
REPLACE FRONT CENTER ULTRASONIC SENSOR (FLC SENSOR) |
(a) Replace the front center ultrasonic sensor (FLC 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 |
|
C1AE296 is output |
B |
|
None of the above conditions are met |
C |
| A |
|
END (FRONT CENTER ULTRASONIC SENSOR [FLC SENSOR] WAS DEFECTIVE) |
| B |
|
REPLACE CLEARANCE WARNING ECU ASSEMBLY
|
| C |
|
GO TO DTC CHART
|
READ NEXT:
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DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a front center ultrasonic sensor (FRC sensor) and the
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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 cent
Ultrasonic Sensor (Front Right Corner) Missing Message (C1AE487)
DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a front corner ultrasonic sensor (FR sensor) and the
front center ultrasonic sensor (FRC sens
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DESCRIPTION The motor generator control ECU, which is built into the inverter with converter assembly, controls the motor (MG2) based on commands from the hybrid vehicle control ECU.
The motor generator control ECU (MG ECU) monitors communication data and detects malfunctions.
DTC No. De
Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT INNER BELT ASSEMBLY (for Driver Side)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection Condition
Specified Condition
O49-3(+) - O49-2(-)
Driver side seat
