Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
B -- GO TO DTC (C1AEC) See: C1AEC/From 08/2009
A -- Continue to next step.
2. REPLACE NO. 1 ULTRASONIC SENSOR (FRONT LEFT SENSOR)
(a) Replace the No. 1 ultrasonic sensor (front left sensor) with a normally functioning sensor See: Accessories and Optional
Equipment/Collision Avoidance and Parking Assist Systems/Parking Assist Distance Sensor/Service and Repair/Ultrasonic Sensor (for
Front Side)/Removal.
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.
Text in Illustration
NEXT -- Continue to next step.
3. CHECK DTC OUTPUT
(a) Clear the DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Intuitive Parking Assist System.
(b) Check for DTCs See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Intuitive Parking Assist System.
Result:
C -- END (FRONT LEFT SENSOR WAS DEFECTIVE)
B -- REPLACE PARKING ASSIST ECU See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist
Systems/Parking Assist Control Module/Service and Repair/Parking Assist ECU/Removal
A -- REPLACE CLEARANCE WARNING ECU See: Accessories and Optional Equipment/Collision Avoidance and Parking
Assist Systems/Parking Assist Control Module/Service and Repair/Clearance Warning ECU/Removal
Up to 08/2009
PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: C1AE4: Front Right Sensor Malfunction
C1AE4 - Front Right Sensor Malfunction
DESCRIPTION
The No. 1 ultrasonic sensor (front right sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1
ultrasonic sensor (front right sensor). If the No. 1 ultrasonic sensor (front right sensor) has an open circuit or other malfunction, it will not function
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