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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 scan (2) Turn the ignition switch to the "ON" position. (3) Erase the DTC. (4) Turn the ignition switch from "LOCK" (OFF) position to "ON" (5) Check if the DTC B2350 or B2351 is set. (6) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the DTC set? DTC B2351 is set.: Go to Step 2. DTC B2350 is set.: Go to Step 3. No DTC is set.: The trouble can be an intermittent malfunction (GROUP 00 - How to Cope with Intermittent STEP 2. Using scan tool MB991958, Check whether the (1) Replace the wiper/washer switch. (2) Turn the ignition switch to the "ON" position. (3) Erase the DTC. (4) Turn the ignition switch from "LOCK" (OFF) position to "ON" (5) Check if DTC is set. (6) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the DTC set? YES: Go to Step 3. NO: The procedure is complete. STEP 3. Using scan tool MB991958, Check whether the (1) Replace the lighting switch. (2) Turn the ignition switch to the "ON" position. (3) Erase the DTC. (4) Turn the ignition switch from "LOCK" (OFF) position to "ON" (5) Check if DTC is set. (6) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the DTC set? YES: Go to Step 4. NO: The procedure is complete. STEP 4. Using scan tool MB991958, Check whether the (1) Turn the ignition switch to the "ON" position. COLUMN SWITCH 54Ah-7 DIAGNOSIS |