Lexus ES: Rear Right Center Sensor Malfunction (C1AE8)
DESCRIPTION
The rear center ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor RH. If the rear center ultrasonic sensor RH 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 RH. |
|
CAUTION / NOTICE / HINT
NOTICE:
If DTCs are output after repairs, turn the power switch on (IG) and the parking support alert system on. Then clear the DTCs.
Click here .gif)
PROCEDURE
| 1. | CHECK DTC OUTPUT |
(a) Check for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes| Result | Proceed to |
|---|---|
| Only DTC C1AE8 is output | A |
| DTC C1AE8 and C1AED are output | B |
| No DTCs are output | C |
| B | .gif) | GO TO DTC (C1AED) |
| C | | USE SIMULATION METHOD TO CHECK |
|
| 2. | REPLACE REAR CENTER ULTRASONIC SENSOR RH |
(a) Replace the rear center ultrasonic sensor RH with new or 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.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs(b) Check for DTCs.
Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes| Result | Proceed to |
|---|---|
| DTC C1AE8 is output | A |
| No DTCs are output | B |
| A | | REPLACE CLEARANCE WARNING ECU ASSEMBLY |
| B | | END (REAR RIGHT CENTER SENSOR WAS DEFECTIVE) |
READ NEXT:
Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION The rear corner ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor
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
Rear Sensor Communication Malfunction (C1AED)
DESCRIPTION This DTC is stored when there is an open or short circuit in the communication line between the rear sensors and the ECU, or when there is a malfunction in a rear sensor. DTC No. Dete
SEE MORE:
Switch Operation of Remote Touch not Accepted
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
Click here
When replacing the radio receiver assembly, alw
Inspection
INSPECTION PROCEDURE 1. INSPECT FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY) NOTICE:
Do not remove the fuel pressure sensor from the fuel delivery pipe with sensor assembly.
If the fuel pressure sensor is removed, replace the fuel pressure sensor (fuel delivery pipe with senso
