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Home >> Volvo >> 2007 >> C70 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Electronics - Design And Function - 4 Of 4 >> Standard Central Locking System (2008-2013) >> Function >> Opening The Trunk Lid/Tailgate
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Opening The Trunk Lid/Tailgate

Fig 1: Identifying Central Electronic Module (CEM) & Components
GLL162116Courtesy of VOLVO CARS CORPORATION

Tailgate/trunk lid can be opened using the switch on the tailgate/trunk lid.

The lock motor for the tailgate/trunk lid and switch is directly connected to the central electronic module (CEM). When the switch is affected, the central electronic module (CEM) checks the status of the lock system and activates the lock motor if opening is permitted. The tailgate/trunk lid does not open if the vehicle speed is higher than 7 km/h (5 mph) or if privacy locking is activated.

There is no "unlocked" position for the lock motor for the tailgate/trunk lid. When the motor is activated, it releases the catch in the body and the tailgate/trunk lid can be opened. The tailgate/trunk lid locks when it is closed again.

When the tailgate/trunk lid is to opened, the lock motor is powered for approximately 0.7 seconds or until the central electronic module (CEM) receives a signal from the indicator that it is open. If the trunk lid/tailgate is not indicated as open during this time, a diagnostic trouble code (DTC) is stored in the central electronic module (CEM).

The tailgate/trunk lid can be opened by activating the button on the remote control even if the rest of the vehicle is locked.