Camshaft Position Sensor
- Turn ignition off and remove fuse No. 24. Connect Measuring Unit (999 3070
) between ECU and ECU connector. See Fig 1
. Turn ignition on.
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Remove fuse No. 31 to prevent engine from starting. Connect voltmeter between measuring unit terminals No. 8 and 19. Operate starter motor. Voltmeter should oscillate between .1-.5 volts. Reinstall fuse No. 31.
- If signal is absent or faulty, turn ignition on. Using a voltmeter, probe between terminals No. 10 and 30. Voltage should be about 11 volts.
- Turn ignition off. Ensure terminal No. 30 is grounded. Connect an ohmmeter between terminals No. 30 and 19. Ohmmeter should read zero ohms.