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DIAGNOSIS TSB Revision WIRELESS CONTROL MODULE (WCM) 42C-91 STEP 5. Using scan tool MB991958, check data list. CAUTION To prevent damage to scan tool MB991958, always turn the Scan Tool (M.U.T.-III) (2) Turn the ignition switch to the "ON" position. • Turn the ignition switch to the LOCK (OFF) position. • Close the driver's door. • Close the passenger's door. • Close the RH-side rear door. • Close the LH-side rear door. • Close the liftgate. • Remove the ignition key from the ignition key cylinder. (4) Turn the ignition switch to the "LOCK" (OFF) position. OK: Normal condition are displayed. Q: Are the check result normal? YES (Normal conditions are displayed for all the items.) Go to Step 6. NO (Normal condition is not displayed for item No. 254.) Refer to GROUP 54A, Inspection Procedure 2: NO (Normal condition is not displayed for item No. 256.) Refer to GROUP 54A, Inspection Procedure 5: . NO (Normal condition is not displayed for item No. 257.) Refer to GROUP 54A, Inspection Procedure 6: . Item No. Item name Normal Item 254 IG voltage Battery Item 256 Dr door ajar switch Close Item 257 As door ajar switch Close Item 258 RR door ajar switch Close Item 259 RL door ajar switch Close Item 260 Trunk/gate trunk ajar Close Item 264 Handle lock switch Key in → Key out ZC501967 AC404789 AC701411AB MB991824 MB991827 MB991910 Data link |