Toyota Corolla Cross: Ultrasonic Sensor (Rear Left Center) Component Internal Failure (C1AE796)
DESCRIPTION
The rear center ultrasonic sensor (RLC sensor) is installed on the rear bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the rear center ultrasonic sensor (RLC sensor). If an open circuit or other malfunction occurs in the rear center ultrasonic sensor (RLC sensor), the rear center ultrasonic sensor (RLC sensor) does not operate correctly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AE796 |
Ultrasonic Sensor (Rear Left Center) Component Internal Failure |
Rear center ultrasonic sensor (RLC 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 |
|
C1AE796 and C1AE787 are output |
B |
|
C1AE796 is output |
C |
|
None of the above conditions are met |
D |
| A | .gif)
|
USE SIMULATION METHOD TO CHECK |
| B |
|
GO TO DTC (C1AE787)
|
| D |
|
GO TO DTC CHART
|
|
|
3. |
REPLACE REAR CENTER ULTRASONIC SENSOR (RLC SENSOR) |
(a) Replace the rear center ultrasonic sensor (RLC 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 |
|
C1AE796 is output |
B |
|
None of the above conditions are met |
C |
| A |
|
END (REAR CENTER ULTRASONIC SENSOR [RLC SENSOR] WAS DEFECTIVE) |
| B |
|
REPLACE CLEARANCE WARNING ECU ASSEMBLY
|
| C |
|
GO TO DTC CHART
|
READ NEXT:
Ultrasonic Sensor (Rear Right Center) Missing Message (C1AE887)
DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a rear center ultrasonic sensor (RRC sensor) and the
rear center ultrasonic sensor (RLC senso
Ultrasonic Sensor (Rear Right Center) Component Internal Failure (C1AE896)
DESCRIPTION
The rear center ultrasonic sensor (RRC sensor) is installed
on the rear bumper. The clearance warning ECU assembly detects obstacles based on
signals it receives from the rear center
Ultrasonic Sensor (Rear Right Corner) Missing Message (C1AE987)
DESCRIPTION
This DTC is output when an open circuit or short occurs in the
communication line between a rear corner ultrasonic sensor (RR sensor) and the rear
center ultrasonic sensor (RRC sensor
SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 POWER WINDOW REGULATOR MOTOR ASSEMBLY
85720D
- -
2 FRONT DOOR WINDOW REGULATOR ASSEMBLY
-
- -
3 FRONT DOOR GLASS SUB-AS
Voice Recognition Microphone2 Circuit Open (B154913)
DESCRIPTION
The telephone microphone assembly RH is connected to the radio
and display receiver assembly via voice recognition microphone 2 signal detection
line.
This DTC is stored when the radio and display receiver assembly
detects disconnection of telephone microphone assembly RH.
