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Inspection Procedure 2: The interior alarm does not work normally while the theft-alarm M15410300030USA0000010000 Before replacing the ECU, ensure that the power TECHNICAL DESCRIPTION (COMMENT) ⦆ Hood switch ⦆ All of the door switches ⦆ Liftgate latch switch TROUBLESHOOTING HINTS ⦆ Hood switch may be defective ⦆ All the door switch may be defective ⦆ Liftgate latch switch may be defective ⦆ The ETACS-ECU may be defective ⦆ Combination meter may be defective ⦆ The wiring harness or connectors may have loose, DIAGNOSIS Required Special Tools: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicle Communication Interface (V.C.I.) ⦆ MB991827: M.U.T.-III USB Cable ⦆ MB991910: M.U.T.-III Main Harness A (Vehicles with STEP 1. Using scan tool MB991958, Check the configuration 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) Use the ETACS-ECU configuration function to check that the (4) Turn the ignition switch to the "LOCK" (OFF) position. Q:Is the "Alarm" sent to "Enable"? YES: Go to Step 2. NO: Use the ETACS-ECU configuration function to set the "Alarm" to "Enable" (Refer to P.54Af-27). ALARM SYSTEM 54Af-13 DIAGNOSIS |