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SYMPTOM PROCEDURES SIMPLIFIED WIRING SYSTEM (SWS) 54B-253 STEP 3. Check the input signal by using "FUNCTION • Ignition switch: ACC • Windshield washer switch: ON (1) Operate the Diagnostic Tool MB991958 according to the procedure below to display "F.WIPER WASH." Select "WIPER." g. Select "F.WIPER WASH." (2) Check that normal conditions are displayed for the items described in the table below. Q: Are normal conditions displayed for "FRONT WASH.SW" and "FRONT ECU ACK"? Step 4. Normal condition is not displayed for the "FRONT windshield washer works normally. Normal condition is not displayed for the "FRONT ECU washer works normally. STEP 4. Check windshield washer motor connector A-29 condition? to GROUP 00E, Harness Connector Inspection . Verify that the windshield washer works normally. ITEM NO. ITEM NAME NORMAL ITEM 09 FRONT WASH.SW ON ITEM 70 FRONT ECU ACK NORMAL ACK or 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 AC302210 COLUMN SWITCH COLUMN SWITCH MB991812 AB 16DB430A CONNECTOR: A-29 HARNESS SIDE |