TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Multi-display), Diagnostic DTC:C1AE3

DESCRIPTION

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

INSPECTION PROCEDURE

PROCEDURE

1. Click here

   CHECK FOR DTC

   
   

   1. Check for DTCs (Click here).

      Table 1. Result

      Result	Proceed to
      No DTC is output	A
      Only DTC C1AE3 is output	B
      DTC C1AE3 and C1AEC are output	C

   
   
   • AClick here
   • BClick here
   • CClick here
2. Click here

   REPLACE NO. 1 ULTRASONIC SENSOR (FRONT CENTER SENSOR RH)

   
   

   1. Replace the No. 1 ultrasonic sensor (front center sensor RH) with a normally functioning sensor (Click here).

      Tip:

      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.

   
   
   • NEXTClick here
3. Click here

   CHECK FOR DTC

   
   

   1. Clear the DTCs (Click here).

   2. Check for DTCs (Click here).

      Table 2. Result

      Result	Proceed to
      No DTC is output	A
      DTC C1AE3 is output (for LHD)	B
      DTC C1AE3 is output (for RHD)	C

   
   
   • AClick here
   • BClick here
   • CClick here
4. Click here

   GO TO DTC (C1AEC)Click here

5. Click here

   USE SIMULATION METHOD TO CHECKClick here

6. Click here

   REPLACE CLEARANCE WARNING ECUClick here

7. Click here

   END (NO. 1 ULTRASONIC SENSOR WAS DEFECTIVE)

8. Click here

   REPLACE CLEARANCE WARNING ECUClick here