Intuitive Parking Assist System

PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: C1AEE: APGS Sensor Communication Circuit
C1AEE - APGS Sensor Communication Circuit

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 malfunction in a front sensor.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT

(a) Clear the DTCs Intuitive Parking Assist System.

(b) Check for DTCs Intuitive Parking Assist System.

Result





B -- END
A -- Continue to next step.

2. CHECK PARKING ASSIST ECU

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





Standard resistance:





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

Standard voltage:





NG -- REPLACE PARKING ASSIST ECU Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - FRONT LEFT SIDE SENSOR)

(a) Disconnect the L90 ECU connector.





(b) Disconnect the D1 sensor connector.

(c) 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.

4. CHECK HARNESS AND CONNECTOR (FRONT LEFT SIDE SENSOR - FRONT RIGHT SIDE SENSOR)

(a) Disconnect the D1 and D5 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.

5. CHECK DTC OUTPUT

(a) Clear the DTCs Intuitive Parking Assist System.

(b) Check for DTCs Intuitive Parking Assist System.

Result





B -- END
A -- Continue to next step.

6. REPLACE NO. 2 ULTRASONIC SENSOR (FRONT LEFT SIDE SENSOR)

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





NEXT -- Continue to next step.

7. CHECK DTC OUTPUT

(a) Clear the DTCs Intuitive Parking Assist System.

(b) Check for DTCs Intuitive Parking Assist System.

Result





B -- END
A -- Continue to next step.

8. REPLACE NO. 2 ULTRASONIC SENSOR (FRONT RIGHT SIDE SENSOR)

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





NEXT -- Continue to next step.

9. CHECK DTC OUTPUT

(a) Clear the DTCs Intuitive Parking Assist System.

(b) Check for DTCs Intuitive Parking Assist System.

Result





B -- GO TO DTC C1AEC C1AEC

C -- END

A -- REPLACE PARKING ASSIST ECU Removal