Checking The Power Supply And Ground Terminal

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check the cable between Central electronic module (CEM) #A41 (#41) and Remote Receiver Module (RRX) #A1 for open circuit.

  Check the signal cable between central electronic module (CEM) terminals #A35 (#35) and Remote Receiver Module (RRX) #A5 for an open circuit, short-circuiting to ground, and short-circuiting to voltage.

  Check the cable between remote control receiver (RRX) terminal #A3 and ground. Check for an open-circuit. Also check the ground terminal for oxidation.

  Remedy the cables as necessary.

  Other information 

  • see CONNECTING THE BREAKOUT BOX (2004-07)
  • see SIGNAL DESCRIPTION CENTRAL ELECTRONIC MODULE (CEM) (2004-07)
  • see LOCKING SYSTEM RECEIVER (2004-07)
  • see CHECKING WIRING AND TERMINALS
  Fig 2: Identifying 10-Bit Connector

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Remote Control Receiver (RRX)

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING COMMUNICATION