STEP 3. Check by dummy resistor connection.
(1) Disconnect the negative battery terminal.
(2) Use the flat-tipped screwdriver to pull out the locking button of D-09 curtain air bag module connector to the direction of the arrow. After releasing the lock, disconnect the connector.
(3) Connect the dummy resistor (Special tool: MB991865) to the resistor harness (Special tool: MB991884).
(4) Connect the resistor harness (special tool) to D-09 curtain air bag module connector.
(5) Connect the negative battery terminal.
(6) After erasing the diagnostic trouble code memory, check the diagnostic trouble code again.
(7) Disconnect the negative battery terminal.
Is DTC B1441 set?
Go to Step 4. Replace the right curtain air bag module.(Refer to .)