Signal too low: Verification: Verification

HINT: After the repair it is necessary to check that the fault has been rectified.

Fig 1: Identifying Ignition ON

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Fig 2: Identifying Connector(s) Reinstallation

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Ignition off.
Connect connector, install components etc.
Ignition on.
NOTE:
It is important that only the ignition is on for the heater to start up.
Activate the heater.
A buzzing sound should be heard from the heater.

Check the function of the heater as described in Engine coolant heater, test running .

Additional information:
- For a description of the parameters, see Description of parameters .
- For a description of activations, see Activating components/functions .
Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the heater work?