Cruise Control: Testing and Inspection

Information and verification, cruise control

Symptom and function description
The following conditions must be met before the engine control module (ECM) will allow cruise control to be permitted.
- Speed above 30 km/h. Max 200 km/h.
- No warning lamps must light.
- Cruise control switch on.
- The clutch and brake pedal must not be depressed.
- For the S60(11-), V60 and from and including structure week 201046 also on the S80(07-), V70(08-), XC70(08-), XC60 and S80, the driver's seatbelt must be buckled.
In case of malfunctioning clutch sensor circuit, there may be an rpm increase when disengaging the function with the clutch pedal (manual transmission).

Hint: For more information, see Design and Function.

Verification
To verify that the symptom is in the vehicle, test drive the vehicle and check that cruise control works properly.
When test driving, check:
- "Cruise on" lights up in the Driver information module (DIM).
- Cruise control can be activated.
- Disengagement occurs correctly. Disengagement must occur if, the brake or clutch pedal is depressed and if "cruise" or the 0 button on the steering wheel are pressed.
- No rpm search takes place when disconnecting the function using the clutch pedal (manual transmission).
- The speed is adapted to the vehicle in front (applies to adaptive cruise control).

Is the function OK?

Yes - No Fault Found

No - FAULT FOUND

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