Toyota Camry (XV70): Ultrasonic Sensor (Front Left Center) Component Internal Failure (C1AE296)
DESCRIPTION
The front center ultrasonic sensor LH is installed on the front bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the front center ultrasonic sensor LH. If an open circuit or other malfunction occurs in the front center ultrasonic sensor LH, the front center ultrasonic sensor LH 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 LH failure |
|
CAUTION / NOTICE / HINT
NOTICE:
If DTCs are output after repairs, turn the ignition switch to ON and the intuitive parking assist system on. Then clear the DTCs.
Click here .gif)
PROCEDURE
| 1. |
CHECK DTC OUTPUT |
(a) Check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes|
Result | Proceed to |
|---|---|
|
No DTCs are output | A |
|
Only DTC C1AE296 is output |
B |
| DTC C1AE296 and C1AE287 are output |
C |
| A |
.gif) | USE SIMULATION METHOD TO CHECK
|
| C |
| GO TO DTC (C1AE287) |
|
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| 2. |
REPLACE FRONT CENTER ULTRASONIC SENSOR LH |
(a) Replace the front center ultrasonic sensor LH with a known good one.
Click here
HINT:
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.
|
| 3. |
CHECK DTC OUTPUT |
(a) Clear the DTCs.
Body Electrical > Clearance Warning > Clear DTCs(b) Check for DTCs.
Body Electrical > Clearance Warning > Trouble Codes|
Result | Proceed to |
|---|---|
|
No DTCs are output | A |
|
DTC C1AE296 is output |
B |
| A |
| END (FRONT CENTER ULTRASONIC SENSOR LH WAS DEFECTIVE) |
| B |
| REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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Components
COMPONENTS ILLUSTRATION
*1 REAR DISC BRAKE ANTI-SQUEAL SHIM KIT
*2 REAR DISC BRAKE CYLINDER ASSEMBLY
*3 REAR DISC BRAKE PAD
*4 REAR FLEXIBLE HOSE
*5 GASKET
*6 REAR DISC BRAKE PAD WEAR INDICATOR PLATE
*7 REAR NO. 1 DISC BRAKE ANTI-SQUE
Left Front Wheel Speed Sensor Circuit Intermittent (C05001F)
DESCRIPTION Refer to DTC C050012 Click here
DTC No. Detection Item
DTC Detection Condition Trouble Area
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The speed sensor signal is excessively noisy.
The calculated change in wheel speed is more
