Checking The Real Time Clock In Central Electronic Module (CEM)

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  Try to set the correct time for the clock in the information module. Wait a few minutes and check whether the clock is still showing the correct time.

Does the clock show correct time? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to REPLACEMENT OF CONTROL UNIT