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ZC5010410035 Connector C-212 (2) Measure the resistance value between column switch ⦆ No continuity (1 kΩ or more) ZC5010410036 Connector D-04 (3) Measure the resistance value between sunroof motor ⦆ No continuity (1 kΩ or more) Q:Is the check result normal? YES: Go to Step 5. NO: The wiring harness may be damaged or the connector (s) may have loose, corroded or damaged terminals, or STEP 5. Check the column switch. ZC501967 AC404789 ZC5019680000 MB991824 MB991827 MB991910 Data link connector To prevent damage to scan tool MB991958, always turn the (1) Ensure that the ignition switch is at the "LOCK" (OFF) (2) Start up the personal computer. (3) Connect special tool MB991827 to special tool MB991824 (4) Connect special tool MB991910 to special tool MB991824. (5) Connect special tool MB991910 to the data link connector. (6) Connect all the relevant ECUs, and disconnect column (7) Erase the DTC. (8) Turn the ignition switch from "LOCK" (OFF) to "ON" position . (9) Check whether DTC U1515 is set. NOTE: If DTC U1515 is not set, DTC U1109 is set because the column switch is disconnected. This is normal. (10) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is DTC U1515 set? YES: Reconnect the column switch connector, and go to Step 6. NO: Replace the column switch. STEP 6. Check the power window main switch. LOCAL INTERCONNECT NETWORK (LIN) 54C-21 DIAGNOSIS |