Checking The Wiring

Check the cable between engine control module (ECM) terminal #B34 (#B44) and leak diagnostic unit terminal #2. Check for an open-circuit.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• For 5 cylinder turbocharged engines 2005-, see SIGNAL SPECIFICATION .
• For 6 cylinder engines 2005-, see SIGNAL SPECIFICATION .
• see LEAK DIAGNOSTIC PUMP, REPLACING
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying Leak Diagnostic Unit Connector Terminals

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying Leak Diagnostic Pump

Courtesy of VOLVO CARS CORPORATION

• Continue 

  Refer to INFORMATION