Checking cables

Check the camshaft reset valve resistance between #1 and #2, resistance should be approximately 3.7 Ω.

Check the signal cable between engine control module (ECM) #A13 and camshaft reset valve #2 for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Remedy as necessary

Other information:

To connect the breakout box, see Connecting the breakout box .
To access/replace the camshaft reset valve, see CAMSHAFT SEAL/VARIABLE VALVE TIMING (VVT) UNIT, REPLACING .
With the ignition on and the camshaft reset valve connector disconnected the voltage on connector #1 should be approximately U_batt and at connector #2 it should be a pulse modulated signal with a peak voltage of approximately Ubatt and with a frequency of approximately 250 Hz.
For information about signals on 5-cylinder engines, see Signal specification .
For information about signals on 6-cylinder engines:
- For 6 cylinder engines -2001, see Signal specification
- For 6 cylinder engines 2002-, see Signal specification
- For 6 cylinder engines -2004, see Signal specification
- For 6 cylinder engines 2005-, see Signal specification .

Fig 1: Identifying Camshaft Reset Valve Connector Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Camshaft Reset Valve

Courtesy of VOLVO CARS OF NORTH AMERICA.