Diagnostic Procedure

Step	Inspection		Action
1	PERFORM ACCELERATION SENSOR INITIAL POSITION LEARNING * Clear the auto leveling control module DTCs using the M-MDS. (See CLEARING DTC [AUTO LEVELING CONTROL MODULE].) * Perform the headlight auto leveling system initial setting. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION.) * Retrieve the auto leveling control module DTCs using the M-MDS. (See DTC INSPECTION [AUTO LEVELING CONTROL MODULE].) * Is the same DTC displayed?	Yes	Perform the headlight auto leveling system initial setting again, then go to the next step. (See HEADLIGHT AUTO LEVELING SYSTEM INITIALIZATION.)
1		No	Go to Step 3.
2	VERIFY THAT REPAIRS HAVE BEEN COMPLETED 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.)
2		No	Go to the next step.
3	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 [AUTO LEVELING CONTROL MODULE].)
3		No	DTC troubleshooting completed.