Lexus NX: Rear Left Sensor Malfunction (C1AE6)
DESCRIPTION
The rear corner ultrasonic sensor (RL sensor) is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor (RL sensor). If the rear corner ultrasonic sensor (RL sensor) has an open circuit or other malfunction, it will not function normally.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AE6 | Rear Left Sensor Malfunction | A malfunction of the rear corner ultrasonic sensor (RL 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.
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| Result | Proceed to |
|---|---|
| No DTCs are output | A |
| Only DTC C1AE6 is output | B |
| DTC C1AE6 and C1AED are output | C |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| C | | GO TO DTC (C1AED) |
|
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| 2. | REPLACE REAR CORNER ULTRASONIC SENSOR (RL SENSOR) |
(a) Replace the rear corner ultrasonic sensor (RL sensor) with a known good one.
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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 C1AE6 is output | B |
| A | | END (REAR CORNER ULTRASONIC SENSOR [RL SENSOR] WAS DEFECTIVE) |
| B | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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