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2014 - Mazda6 - Body and Accessories

DTC U0320:09 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)]



Description

Error signal received from EPS control module

Detection condition

  • AFS control module received the error signal from the EPS control module for 5 s or more with the ignition switched ON (engine off or on).

Fail-safe function

  • The swivel actuator is moved to the center.

  • Control of the headlight auto leveling system is continued.

Possible cause

  • DTCs are stored in the EPS control module.

  • EPS control module malfunction

  • AFS control module malfunction

System wiring diagram

Not applicable

Diagnostic Procedure

Step

Inspection

Action

1

 VERIFY EPS CONTROL MODULE DTCs

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See ELECTRIC POWER STEERING (EPS) ON-BOARD DIAGNOSIS.)

No

Go to the next step.

2

 PERFORM DTC INSPECTION AND VERIFY EPS CONTROL MODULE MALFUNCTION

Yes

Replace the EPS control module, then go to the next step.

(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

No

Go to Step 4.

3

 VERIFY THAT REPAIRS HAVE BEEN COMPLETED

Yes

Repeat the inspection from Step 1.

Go to the next step.

No

Go to the next step.

4

 VERIFY IF OTHER DTCs DISPLAYED

  • Are any other DTCs displayed?

Yes

Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [ADAPTIVE FRONT LIGHTING SYSTEM (AFS)].)

No

DTC troubleshooting completed.



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