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Home >> Mitsubishi >> 2003 >> Lancer ES, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Simplified Wiring System (SWS) - Except Evolution >> Input Signal Procedures >> Inspection Procedure M-6: Column Switch: ETACS-Ecu Does Not Receive Any Signal From Windshield Mist Wiper Switch, Windshield Intermittent Wiper Switch, Windshield Low-Speed Wiper Switch, Windshield High-Speed Wiper Switch, Windshield Washer Switch, Rear Wiper Switch Or Rear Washer Switch >> Diagnosis >> Step 1: Use Scan Tool MB991502 To Select "ECU COMM CHK" On The SWS Monitor Display
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Step 1: Use Scan Tool MB991502 To Select "ECU COMM CHK" On The SWS Monitor Display

Check the column-ECU.

CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502. Connect the DLC harness before connecting the column-ECU harness. Be sure to connect SWS monitor kit MB991862 after turning on scan tool MB991502.
  1. Connect scan tool MB991502 to the data link connector.
  2. Connect SWS monitor kit MB991862 to the column switch connector.
  3. Turn the ignition switch to the "LOCK" (OFF) position.
  4. Operate scan tool MB991502 according to the procedure below to display "ECU COMM CHK."
    • Select "SYSTEM SELECT."
    • Select "SWS."
    • Select "SWS MONITOR."
    • Select "ECU COMM CHK."
  5. Scan tool MB991502 should show "OK" on the "ECU COMM CHK" menu for the "COLUMN ECU" menu.

Is "OK" displayed on the "COLUMN ECU" menu?

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