Description

Auto leveling control module internal malfunction

Detection condition

• Auto leveling control module detects the internal EEPROM malfunction.

Fail-safe

• The headlight leveling actuator is stopped at the position when the malfunction is determined.

Possible cause

• Auto leveling control module internal malfunction

System wiring diagram

Not applicable

Step

Inspection

Action

1

• Clear the auto leveling control module DTCs using the M-MDS.

  (See CLEARING DTC [AUTO LEVELING CONTROL MODULE].)

• Retrieve the auto leveling control module DTCs using the M-MDS.

  (See DTC INSPECTION [AUTO LEVELING CONTROL MODULE].)

• Is the same DTC displayed?

Yes

Replace the auto leveling control module, then go to the next step.

(See AUTO LEVELING CONTROL MODULE REMOVAL/INSTALLATION.)

No

Go to the next step.

2

• Are any other DTCs displayed?

Yes

Repair the malfunctioning part according to the applicable DTC troubleshooting.

(See DTC TABLE [AUTO LEVELING CONTROL MODULE].)

No

DTC troubleshooting completed.