Toyota Corolla Cross: 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 ultrasonic sensor (RR sensor), the rear corner ultrasonic sensor (RR sensor) does not operate correctly.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1AE996 |
Ultrasonic Sensor (Rear Right Corner) Component Internal Failure |
Rear corner ultrasonic sensor (RR 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 |
|
C1AE996 and C1AE987 are output |
B |
|
C1AE996 is output |
C |
|
None of the above conditions are met |
D |
| A | .gif)
|
USE SIMULATION METHOD TO CHECK |
| B |
|
GO TO DTC (C1AE987)
|
| D |
|
GO TO DTC CHART
|
|
|
3. |
REPLACE REAR CORNER ULTRASONIC SENSOR (RR SENSOR) |
(a) Replace the rear corner ultrasonic sensor (RR 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 |
|
C1AE996 is output |
B |
|
None of the above conditions are met |
C |
| A |
|
END (REAR CORNER ULTRASONIC SENSOR [RR SENSOR] WAS DEFECTIVE) |
| B |
|
REPLACE CLEARANCE WARNING ECU ASSEMBLY
|
| C |
|
GO TO DTC CHART
|
READ NEXT:
Lost Communication with ECM/PCM "A" Missing Message (U010087,...,U110387)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication
system connected to the clearance warning ECU assembly.
HINT:
If CAN communication system DTCs are stored, the
Clearance Warning ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the clearance warning
ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system bef
Sensor Frozen Indication (Dirty or Frozen)
DESCRIPTION
When the ultrasonic sensor is dirty or frozen, "Parking Assist
Unavailable Please Clean Parking Assist Sensor" is displayed on the multi-information
display in the combinati
SEE MORE:
Operation Check
OPERATION CHECK
AUTOMATIC HIGH BEAM SYSTEM OPERATION CHECK
(a) Check the operation of the automatic high beam indicator light.
*a
Automatic High Beam Indicator Light on Combination Meter
Assembly
*b
Auto High Beam Switch Indicator
Parts Location
PARTS LOCATION ILLUSTRATION
*1 POWER DISTRIBUTION BOX ASSEMBLY
- P/SEAT D F/L FUSE -
- ILLUSTRATION
*1 FRONT SEAT ADJUSTER ASSEMBLY LH
*2 FRONT SEATBACK FRAME SUB-ASSEMBLY LH
*3 LUMBAR SUPPORT ADJUSTER ASSEMBLY LH
*4 FRONT POWER SEAT SW
