Checking communication with RTI control module: Verification

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

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

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Fig 3: Identifying Control Unit

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• Ignition off.
• Reconnect connectors, reinstall components.
• RTI control module connected.
• Ignition on
• Volvo Scan Tool (ST) connected to data link connector (DLC).

  Try to establish communication with the RTI system by reading off the status for the light switch position.

  Fig 4: Identifying Scan Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Has communication with the RTI system been established? 

• YES 

  Refer to Reading off diagnostic trouble codes (DTCs) 

• NO 

  Refer to Information