Lexus NX: Front Left Center Sensor (C1AE2)
DESCRIPTION
The front center ultrasonic sensor (FLC sensor) is installed to the front bumper. The clearance warning ECU assembly detects obstacles based on signals received from the front center ultrasonic sensor (FLC sensor). If the front center ultrasonic sensor (FLC sensor) has an open circuit or other malfunction, it will not function normally.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AE2 | Front Left Center Sensor | A malfunction of the front center ultrasonic sensor (FLC 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.
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PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| Only DTC C1AE2 is output | B |
| DTC C1AE2 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 (FLC SENSOR) |
(a) Replace the front center ultrasonic sensor (FLC 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 C1AE2 is output | B |
| A | | END (FRONT CENTER ULTRASONIC SENSOR [FLC SENSOR] WAS DEFECTIVE) |
| B | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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System Description
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Parts Location
PARTS LOCATION ILLUSTRATION *A w/ Hands Free Power Back Door - - *1 BACK DOOR OPENER SWITCH ASSEMBLY *2 BACK DOOR CONTROL SWITCH *3 POWER BACK DOOR SENSOR ASSEMBLY RH *4 POWER BACK DOOR SENSOR ASSEMBLY LH *5 POWER BACK DOOR UNIT ASSEMBLY SET RH *6 POWER BACK D
