Description

Electric power steering (EPS) control module malfunction

Detection condition

• The adaptive front lighting system (AFS) control module received CAN error signal from the electric power steering (EPS) control module for 5 s or more with the ignition switched ON (engine off or on).

Fail-safe

• The swivel actuator is moved to the center.

• Control of the headlight auto leveling system is continued.

Possible cause

• DTCs are stored in the electric power steering (EPS) control module.

• Electric power steering (EPS) control module malfunction

• Adaptive front lighting system (AFS) control module malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Retrieve the electric power steering (EPS) control module DTCs using the M-MDS.

  (See DTC INSPECTION [EPS CONTROL MODULE].)

• Is the DTC displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [EPS CONTROL MODULE].)

No

Go to the next step.

2

• Clear the adaptive front lighting system (AFS) control module DTCs using the M-MDS.

  (See CLEARING DTC [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].)

• Switch the ignition ON (engine off or on) and wait for 5 s or more.

• Retrieve the adaptive front lighting system (AFS) control module DTCs using the M-MDS.

  (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].)

• Is the same DTC displayed?

Yes

Replace the electric power steering (EPS) control module, then go to the next step.

(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)

No

Go to Step 4.

3

• Clear the adaptive front lighting system (AFS) control module DTCs using the M-MDS.

  (See CLEARING DTC [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].)

• Switch the ignition ON (engine off or on) and wait for 5 s or more.

• Retrieve the adaptive front lighting system (AFS) control module DTCs using the M-MDS.

  (See DTC INSPECTION [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE].)

• Is the same DTC displayed?

Yes

Replace the adaptive front lighting system (AFS) control module, then go to the next step.

(See ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION.)

No

Go to the next step.

4

• Are any other DTCs displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

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

No

DTC troubleshooting completed.