Checking The Function Of The Rear Electronic Module (Rem)

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON

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Fig 2: Connecting Connector

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• Ignition off
• Reconnect the connectors. Reinstall the components
• Ignition on.

  Check the power supply and the ground for the rear electronic module (REM) by switching on the rear fog lamp using the button on the dashboard.

  If the central electronic module (CEM) is definitely powered, the power supply for the rear electronic module (REM) can also be checked by pressing the brake pedal. The stop lamp must then light.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

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  • Try to communicate with the rear electronic module (REM) by reading off the control module ID
  • Use the VCT2000 (or appropriate scan tool)

Can the control module ID be read out? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to INFORMATION