C1AE7

PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: C1AE7: Rear Left Center Sensor Malfunction
C1AE7 - Rear Left Center Sensor Malfunction

DESCRIPTION

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

DTC Combination Table





o: DTC is output

-: DTC is not output





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT

(a) Delete the DTCs Intuitive Parking Assist System.

(b) Recheck for DTCs Intuitive Parking Assist System.

Result:





C -- USE SIMULATION METHOD TO CHECK

B -- REPLACE NO. 1 ULTRASONIC SENSOR (REAR LEFT CENTER SENSOR)
A -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (REAR LEFT CENTER SENSOR - REAR RIGHT CENTER SENSOR)

(a) Disconnect the S2 and S1 sensor connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. REPLACE NO. 1 ULTRASONIC SENSOR (REAR LEFT CENTER SENSOR)

(a) Replace the ultrasonic sensor Removal with a normally functioning sensor.





NEXT -- Continue to next step.

4. CHECK DTC OUTPUT

(a) Delete the DTCs Intuitive Parking Assist System.

(b) Recheck for DTCs Intuitive Parking Assist System.

Result:





B -- END

A -- REPLACE CLEARANCE WARNING ECU ASSEMBLY Removal