Lexus NX: Front Right Center Sensor (C1AE3)
DESCRIPTION
The front center ultrasonic sensor (FRC sensor) is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sensor (FRC sensor). If the front center ultrasonic sensor (FRC sensor) has an open circuit or other malfunction, it will not function normally.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AE3 | Front Right Center Sensor | A malfunction of the front center ultrasonic sensor (FRC sensor) |
|
CAUTION / NOTICE / HINT
NOTICE:
If DTCs are output after repairs, turn the power switch on (IG) and the intuitive parking assist system on. Then clear the DTCs.
Click here .gif)
PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| Only DTC C1AE3 is output | B |
| DTC C1AE3 and C1AEC are output | C |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| C | | GO TO DTC (C1AEC) |
|
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| 2. | REPLACE FRONT CENTER ULTRASONIC SENSOR (FRC SENSOR) |
(a) Replace the front center ultrasonic sensor (FRC sensor) 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.
Click here
(b) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| DTC C1AE3 is output | B |
| A | | END (FRONT CENTER ULTRASONIC SENSOR [FRC SENSOR] WAS DEFECTIVE) |
| B | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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SEE MORE:
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
Since the RH side flexible hose and LH side flexible hose are not interchangeable, verify the part numbers when installing the front flexible hose
Removal
REMOVAL PROCEDURE 1. PRECAUTION CAUTION: Be sure to read precaution thoroughly before servicing. Click here 2. REMOVE REAR WHEEL (for LH Side) Click here 3. REMOVE QUARTER OUTSIDE MOULDING SUB-ASSEMBLY LH Click here 4. REMOVE REAR BUMPER SIDE SEAL LH (a) Remove the 2 clips and rear bumper s
