Inspection Procedure 6: The high-beam indicator light does not illuminate: 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. Headlight (high-beam) check
Check that the headlights (high-beam) illuminate/extinguish normally when the lighting switch is operated.
Q: Is the check result normal?
- YES: Go to Step 2.
- NO: Refer to INSPECTION PROCEDURE 2 "NONE OF THE HIGH-BEAM HEADLIGHTS ILLUMINATE." .
- STEP 2. Using scan tool (M.U.T.-III), diagnose the CAN bus line CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
- Connect scan tool (M.U.T.-III). Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) ."
- Turn the ignition switch to the "ON" position.
- Diagnose the CAN bus line.
- Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the CAN bus line found to be normal?
- YES: Go to Step 3.
- NO: Repair the CAN bus line (Refer to DIAGNOSIS ).
- STEP 3. 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 4.
- STEP 4. Check by scan tool (M.U.T.-III) "Special Function"
Using scan tool (M.U.T.-III), select "Test" from the special function of the combination meter. Execute the following item to check the high beam indicator. (Refer to SPECIAL FUNCTION TABLE )
- Item 5: Illumination (AUTO)
- Item 6: Indicator (AUTO)
Q: Is the check result normal?
- YES: Go to Step 5.
- NO: Troubleshoot the combination meter. Refer to DIAGNOSIS .
- STEP 5. Retest the system
Check that the high beam indicator illuminate 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.