Inspection Procedure 11: The Intelligent Washing Function Does Not Work Normally: Diagnosis

Required Special Tools: 

• MB991223: Harness Set
• MB992006: Extra Fine Probe
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
  • MB991824: V.C.I.
  • MB991827: M.U.T.-III USB Cable
  • MB991910: M.U.T.-III Main Harness A

1. STEP 1. Use the scan tool MB991958 to check if an ETACS-related diagnostic trouble code is set. 

   Connect the scan tool. Refer to "DIAGNOSTIC FUNCTION ."

   Q: Is the diagnostic trouble code set? 

   • YES:  Diagnose the ETACS-ECU. Refer to "DIAGNOSTIC TROUBLE CODE CHART ."
   • NO:  Go to Step 2.
     Fig 1: Connecting Scan Tool To Data Link Connector

     Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
2. STEP 2. Check the ETACS customization function. 

   Use the ETACS-ECU customization function to check that the "intelligent washer" is set to "Enabled."

   Q: Is the check result normal? 

   • YES:  Go to Step 3.
   • NO:  Use the ETACS-ECU customization function to set "intelligent washer" to "Enabled." (Refer to CUSTOMIZATION FUNCTION  ).
3. STEP 3. Windshield wiper operation check 

   Check that the windshield wipers work normally.

   Q: Is the check result normal? 

   • YES:  Go to Step 4.
   • NO:  Refer to TROUBLE SYMPTOM CHART  .
4. STEP 4. Windshield washer operation check 

   Check that the windshield washer works normally.

   Q: Is the check result normal? 

   • YES:  Go to Step 5.
   • NO:  Refer to INSPECTION PROCEDURE 10 "THE WINDSHIELD WASHER DOES NOT WORK NORMALLY"  .
5. STEP 5. System retest 

   Check that the intelligent washer function works normally.

   Q: Is the check result normal? 

   • YES:  Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
   • NO:  Replace the ETACS-ECU.