Inspection Procedure 15: The coming home light function does not work normally: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

STEP 1. Using scan tool (M.U.T.-III), Check the customization function
Check that any one of the followings other than "Disabled" is set for "Coming home light" with a customization function.
- 15 sec.
- 30 sec.
- 60 sec.
- 180 sec.
Q: Is it set to other than "Disabled"?
- YES: Go to Step 2.
- NO: Set "Coming home light" to any one other than "Disabled" with a customization function (Refer to CUSTOMIZATION FUNCTION ).
STEP 2. Using scan tool (M.U.T.-III), read the ETACS diagnostic trouble code.
Check if DTC is stored in the ETACS-ECU.

Q: Is the DTC stored?
- YES: Troubleshoot the ETACS-ECU. Refer to DIAGNOSTIC TROUBLE CODE CHART .
- NO: Go to Step 3.

STEP 3. Using scan tool (M.U.T.-III), check data list

Using the ETACS-ECU service data, check the ignition switch signal.

Turn the ignition switch to the LOCK (OFF) position.

Item No.	Item name	Normal condition
254	IG voltage	1 V or less

OK: Normal condition is displayed.

Q: Is the check result normal?

YES: Go to Step 4.
NO: Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 2: THE IGNITION SWITCH (IG1) SIGNAL IS NOT RECEIVED .

STEP 4. Check the headlights.
When the lighting switch is operated, check that the headlights illuminate/go off normally.

Q: Is the check result normal?
- YES: Go to Step 5.
- NO: Troubleshoot the headlights. Refer to TROUBLE SYMPTOM CHART .
STEP 5. Retest the system.
The coming home light function should work normally.

Q: Is the check result normal?
- YES: The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Replace the ETACS-ECU.