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TAILGATE <VEHICLES WITH ELECTRIC TAILGATE> BODY 42A-96 Inspection Procedure A-3: The electric tailgate automatic operation does not work normally (.both the CAUTION Before replacing the ECU, ensure that the input COMMENTS ON TROUBLE SYMPTOM Component other than Mitsubishi genuine parts or PROBABLE CAUSES • A component other than Mitsubishi genuine parts or accessories is fitted on the tailgate. • The quarter trim interferes with the electric tail- gate motor arm. • Door-ajar switch system failed • Electric tailgate main switch system malfunction • Tailgate sensor system malfunction • Damaged tailgate gas spring • Damaged electric tailgate motor • Damaged electric tailgate control unit • Damaged wiring harness and connectors DIAGNOSIS PROCEDURE STEP 1. Parts installation check of tailgate Q: Is the check result normal? YES : Go to Step 2. NO : Remove the components other than STEP 2. Tailgate gas spring check Q: Is the check result normal? YES : Go to Step 3. NO : Replace the tailgate gas spring. STEP 3. Interference inspection: quarter trim and Q: Is the check result normal? YES : Go to Step 4. NO : Install the electric tailgate control unit or the STEP 4. M.U.T.-III data list • Electric tailgate main switch: OFF → ON • Door-ajar switch: OFF → ON • Tailgate sensor LH: OFF → ON • Item No. Item name Normal Item 1 Main switch OFF → ON Item 7 Half door switch OFF → ON Item 9 Touch sensor (left) OFF → ON Item 10 Touch sensor (right) OFF → ON Item 12 ECU power supply System Tailgate sensor RH: OFF → ON OK: Normal conditions are displayed for all Q: Is the check result normal? All are normal. : Go to Step 5. Normal condition is not displayed for item No. 1. : Refer to Inspection Procedure B-1 "Electric . Normal condition is not displayed for item No. 7. : Refer to Inspection Procedure B-4 . Normal condition is not displayed for item 9 and Refer to Inspection Procedure B-7 "Tailgate Normal condition is not displayed for item No. 12. : Refer to Inspection Procedure A-1 "Power |