Inspection Procedure 14: The welcome 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 "Welcome light" with a customization function.
- Small light
- Head light
Q: Is it set to other than "Disabled"?
- YES: Go to Step 2.
- NO: Set "Welcome 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. Check the keyless entry system operation
Check that the keyless entry system operation normally.
Q: Is the check result normal?
- YES: Go to Step 4.
- NO: Troubleshoot the keyless entry system. Refer to SYMPTOM PROCEDURES < Vehicles without KOS > or TROUBLE SYMPTOM CHART < Vehicles with KOS >.
- STEP 4. Check the taillights and headlights.
When the lighting switch is operated, check that the taillights and headlights illuminate/go off normally.
Q: Is the check result normal?
- YES: Go to Step 5.
- NO: Troubleshoot the taillights and headlights. Refer to TROUBLE SYMPTOM CHART .
- STEP 5. Retest the system.
The welcome light 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.