Checking The Power Supply And Ground Terminal

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• Ignition off.

  Check the cable between central electronic module (CEM) #H6 (#20) and Remote Receiver Module (RRX) #A1 for open circuit.

  Check the signal cable between central electronic module (CEM) #H3 (#17) and Remote Receiver Module (RRX) #A2 for open circuit, short-circuit to ground, and short-circuit to voltage.

  Check the cable between Remote Receiver Module (RRX) #A3 and ground for open circuit. Also check the ground connection for oxidation.

  Remedy the cables as necessary.

  Other information 

  • see CONNECTING THE BREAKOUT BOX (2008-2012)
  • see SIGNAL DESCRIPTION CENTRAL ELECTRONIC MODULE (CEM)
  • see CHECKING WIRING AND TERMINALS
  Fig 2: Identifying 10-Bit Connector

  Courtesy of VOLVO CARS CORPORATION
  Fig 3: Identifying Remote Control Receiver (RRX)

  Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING COMMUNICATION