Lexus NX: 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 ultrasonic sensor (RRC sensor). If the rear center ultrasonic sensor (RRC sensor) has an open circuit or other malfunction, it will not function normally.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AE8 | Rear Right Center Sensor Malfunction | A malfunction of the rear center ultrasonic sensor (RRC 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 C1AE8 is output | B |
| DTC C1AE8 and C1AED are output | C |
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| C | | GO TO DTC (C1AED) |
|
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| 2. | REPLACE REAR CENTER ULTRASONIC SENSOR (RRC SENSOR) |
(a) Replace the rear center ultrasonic sensor (RRC 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 C1AE8 is output | B |
| A | | END (REAR CENTER ULTRASONIC SENSOR [RRC SENSOR] WAS DEFECTIVE) |
| B | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
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SEE MORE:
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. REMOVE FRONT SEAT INNER BELT ASSEMBLY LH (for Driver Side) Cl
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / AFS / Trouble Codes. Body Electrical > AFS > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Connect the Techstrea
