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.
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| 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.
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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.
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(b) Check for DTCs.
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| 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:
Operation Check
OPERATION CHECK VEHICLE PROXIMITY NOTIFICATION SYSTEM OPERATION CHECK (a) System operation check (vehicle stopped) (1) Apply the parking brake. (2) Turn the power switch on (IG). (3) With the brake pedal depressed, confirm that the vehicle proximity notification system does not operate (produce a so
Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE:
Do not replace the spiral cable with the battery connected and the power switch on (IG).
Do not rotate the spiral cable when the following conditions are met: 1) The steering wheel is removed, 2) the battery is connected, and 3) thepower switch on (IG).
