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⦆ Damaged harness wires and connectors DIAGNOSIS Required Special Tools: ⦆ MB991223: Harness Set ⦆ 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 STEP 1. Check the fog lights. Q:Is the fog lights normal? YES: Go to Step 2. NO: First, repair the front fog lights. Refer to Inspection Procedure 2 "The right or left fog light does STEP 2. Using scan tool MB991958, diagnose the CAN bus ZC501967 AC404789 ZC5019680000 MB991824 MB991827 MB991910 Data link connector To prevent damage to scan tool MB991958, always turn the (1) Connect scan tool MB991958. Refer to "How to connect the (2) Turn the ignition switch to the "ON" position. (3) Diagnose the CAN bus line. (4) 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 GROUP 54D - STEP 3. Using scan tool MB991958, read the combination (1) Check whether a combination meter-related DTC is set. (2) Turn the ignition switch to the "ON" position. (3) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the DTC set? YES: Diagnose the combination meter (Refer to GROUP 54Ab LIGHTING 54Ac-125 DIAGNOSIS |