Checking The Component And Wiring

Check the cable between engine control module (ECM) terminal #A78 (#B18) and intake camshaft reset valve terminal #2. Check for an open-circuit.

Check the power supply cable between the system relay and intake camshaft reset valve terminal #1. Check for an open-circuit.

Check the fuse for the circuit.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION
• see VVT SOLENOID
• see CHECKING WIRING AND TERMINALS

Fig 1: Identifying 2-Bit Connector

Courtesy of VOLVO CARS CORPORATION

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Variable Valve Timing (VVT) Unit

Courtesy of VOLVO CARS CORPORATION

• Continue 

  Refer to VERIFICATION