Intermittent ABS Fault 307SW

Discussion in 'Peugeot 307' started by Paul C, Sep 11, 2008.

  1. Paul C

    Paul C Guest

    307SW HDI 90 - 2003:
    Had ABS warning fault light come on last week on way visiting Portsmouth and
    then went away once stopped there for a couple of hours and came home. Not
    come back on since. Took to usual Puegeot dealer today and said fault with
    Rear OS sensor, but as intermittent was probably in wire which would need
    fuel tank removing to fix and hence a bit costly, but don't have it done
    unless light comes on again. They said it was not dirty but an electrical
    problem when I asked whether it just needed cleaning.
    Should I get a second opinion?
    Paul C, Sep 11, 2008
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  2. Paul C

    Nigel Guest

    I think your dealer is a bit confused. The sensor wire on a 307 is
    easily changed without dropping the tank (like on the 407 for
    example). But I would have thought an intermittent fault would be
    caused by dirt on the pickup or the ring. However renewing the wire
    would be the easiest option as it would cure both potential problems.
    As I recall the sensor wire is around £40 and no more than 30 minutes
    to change including clearing the faults from the ECU memory.
    Nigel, Sep 11, 2008
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  3. Paul C

    SecondSight Guest

    Thanks very much. The diagram shown here does show a wire going up over
    the fuel tank. Is the wire that they are referring to?. Is the sensor
    wire you were thinking of between the part 7015 and the wheel?

    SecondSight, Sep 13, 2008
  4. Paul C

    Nigel Guest

    Hmmm. Not the best wiring diagram I've seen! 7015 refers to the sensor
    pickup on the schematic, but on the installation diagram it points to
    the connector! The fuel tank is in front of the axle on the 307 and
    does not get in the way of that connector. So what you get from your
    dealer is the pickup from the wheel and the wiring to the connector
    which is two wire grey type.
    Nigel, Sep 13, 2008
  5. Paul C

    SecondSight Guest

    Well, its not intermittent any more. ABS warning light goes off at
    ignition time, always comes back on with a beep and message at 30mph.
    SecondSight, Sep 18, 2008
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