C164A

PARK ASSIST / MONITORING: ADVANCED PARKING GUIDANCE SYSTEM: C164A: EPS Communication Malfunction
C164A - EPS Communication Malfunction

DESCRIPTION

The power steering system receives advanced parking guidance system information from the parking assist ECU via CAN communication. This DTC is stored if the parking assist ECU receives abnormal signals from the power steering ECU.





INSPECTION PROCEDURE

NOTICE:
* When "System initializing" message is displayed on the navigation receiver assembly after the battery terminal disconnected, correct the steering angle neutral point Initialization.
* Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the advanced parking guidance system may be needed Calibration.
* If initialization is necessary while performing an inspection, perform initialization first and then proceed to the next step.

PROCEDURE

1. CHECK DTC OUTPUT

(a) Clear the DTCs Advanced Parking Guidance System.

(b) Check for DTCs Advanced Parking Guidance System.

Result:





HINT
* If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary communication problem between the parking assist ECU and power steering ECU.
* If DTC C164A is output frequently, duplicate the problem symptoms and perform the inspection again, even though the DTC is not output when rechecking for DTCs How To Proceed With Troubleshooting.

B -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

2. REPLACE PARKING ASSIST ECU

(a) Replace the parking assist ECU Removal.

NEXT -- Continue to next step.

3. CHECK DTC OUTPUT

(a) Clear the DTCs Advanced Parking Guidance System.

(b) Check for DTCs Advanced Parking Guidance System.

Result:





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

4. CHECK DTC OUTPUT (POWER STEERING SYSTEM)

(a) Check for power steering system DTCs.

HINT
* Power steering System Power Steering System (For Brushless Type Motor).
* Power steering System (for Wide Body) Power Steering System (For Brush Type Motor).

Result:





C -- GO TO POWER STEERING SYSTEM (for Brush Type Motor) How To Proceed With Troubleshooting

B -- GO TO POWER STEERING SYSTEM (for Brushless Type Motor) How To Proceed With Troubleshooting

A -- REPLACE POWER STEERING ECU ASSEMBLY Removal