Lexus NX: Rear Left Center Sensor Malfunction (C1AE7)
DESCRIPTION
The rear center ultrasonic sensor (RLC sensor) is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor (RLC sensor). If the rear center ultrasonic sensor (RLC sensor) has an open circuit or other malfunction, it will not function normally.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AE7 | Rear Left Center Sensor Malfunction | A malfunction of the rear center ultrasonic sensor (RLC 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 C1AE7 is output | B |
| DTC C1AE7 and C1AED are output | C |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| C | | GO TO DTC (C1AED) |
|
.gif)
| 2. | REPLACE REAR CENTER ULTRASONIC SENSOR (RLC SENSOR) |
(a) Replace the rear center ultrasonic sensor (RLC 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 C1AE7 is output | B |
| A | | END (REAR CENTER ULTRASONIC SENSOR [RLC SENSOR] WAS DEFECTIVE) |
| B | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
READ NEXT:
Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION The rear center ultrasonic sensor (RRC sensor) is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrason
Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION The rear corner ultrasonic sensor (RR sensor) is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasoni
Front Sensor Communication Malfunction (C1AEC)
DESCRIPTION This DTC is stored when there is an open or short circuit in the communication line between the front sensors and the ECU, or when there is a malfunction in a front sensor. DTC No. De
SEE MORE:
Terminals Of Ecu
TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the I51 and I53 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the con
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Lighting system data and the Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions, and then perform repairs. CHECK DLC3 (a) Check the
