Circuit Fault.Intermittent Fault

Circuit fault.Intermittent fault

Check the leads and connections
Check the wheel sensor and control module connectors for contact resistance and oxidation as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the cable between wheel sensor connector connections:
- 2 and control module #4 (DTC ABS-311)
- 1 and control module #11 (DTC ABS-311)
- 2 and control module #3 (DTC ABS-312)
- 1 and control module #18 (DTC ABS-312)
for intermittent breaks as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , intermittent short-circuiting to ground as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and intermittent short-circuiting to power as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.





Select Continue when the fault has been repaired.

Continue - Test driving

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Test driving




- Ignition on.
- Note the DTC and the status.
- Disconnect Volvo System Tester so that the diagnosis is aborted.

Warning! The ABS and EBD systems are not available while Volvo Diagnostics is activated. Take great care when test driving as there is a serious risk of the wheels locking when braking.

- Test drive the vehicle as per Test driving Test Driving. Brake so that the wheel sensors are warmed up
- Stop the vehicle.
Note the DTC status





Is the status intermittent ?

Yes - The status is intermittent

No - Replace the component

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The status is intermittent
The system is OK.

Continue - FAULT FOUND

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Replace the component
Test with a new wheel sensor as per Front wheel sensor, replacement Front Wheel Sensor, Replacement.

Select Continue when the component has been replaced.

Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

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Attempt New Test - Check the leads and connections

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