LEXUS PARKING ASSIST-SENSOR SYSTEM, Diagnostic DTC:C1AE1

DESCRIPTION

The No. 1 ultrasonic sensor (front left corner sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the front left corner sensor. If the front left corner sensor has an open or other malfunction, it will not function normally.

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK DTC OUTPUT

   
   

   1. Clear the DTCs (see pageClick here).

   2. Check for DTCs (see pageClick here).

      Table 1. Result

      Result	Proceed to
      DTC C1AE1 is output	A
      No DTC is output	B

   
   
   • AClick here
   • BClick here
2. Click here

   REPLACE NO. 1 ULTRASONIC SENSOR (FRONT LEFT CORNER SENSOR)

   
   

   1. Replace the ultrasonic sensor (see pageClick here) with a normally functioning sensor.

   
   
   • NEXTClick here
3. Click here

   CHECK DTC OUTPUT

   
   

   1. Clear the DTCs (see pageClick here).

   2. Check for DTCs (see pageClick here).

      OK
      DTC C1AE1 is not output.

   
   
   • OKClick here
   • NGClick here
4. Click here

   USE SIMULATION METHOD TO CHECKClick here

5. Click here

   END (NO. 1 ULTRASONIC SENSOR [FRONT LEFT CORNER SENSOR] IS DEFECTIVE)

6. Click here

   REPLACE CLEARANCE WARNING ECUClick here