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the relay that is connected to the 4WD fuse clicks repeatedly approx every 60secs at idle.

the relay is located near the bonnet hinges on the drivers side ie the black relay.

anyone got ideas on why it is being triggered? can anyone supply circuit diagrams to help out?

ps. the 4WD light is not being lit but does work.

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the relay that is connected to the 4WD fuse clicks repeatedly approx every 60secs at idle.

the relay is located near the bonnet hinges on the drivers side ie the black relay.

anyone got ideas on why it is being triggered? can anyone supply circuit diagrams to help out?

ps. the 4WD light is not being lit but does work.

Mine does exactly the same thing, have tried to diagnose it, but got nowhere.

Tried tracing things through the diagrams in the service manual, but had no luck.

  • 5 months later...
i still have that infernal clicking.

how is the atessa triggered on stageas? is it a wheel sensor if so could it be faulty or incorrectly located?

The stagea doesn't use wheel sensors, it uses g-force sensors, located under the centre console between the front seats. Maybe if one of the mercury switches was stuffed it could be constantly flicking the relays on/off? This seems uinlikely though, as Jermome would have found out - I have a feeling they would be very expensive to repair, not to mention difficult to source. My money would be on a stuffed relay.

the relay is fine. i have changed it from another S2 that does not have this issue and it still clicks. something is sending a signal to it and it beats me what it is.

perhaps i should take the console out and check the orientation of the g-force sensor??!?! unless someone moved something during the stereo install?

The stagea doesn't use wheel sensors, it uses g-force sensors, located under the centre console between the front seats. Maybe if one of the mercury switches was stuffed it could be constantly flicking the relays on/off? This seems uinlikely though, as Jermome would have found out - I have a feeling they would be very expensive to repair, not to mention difficult to source. My money would be on a stuffed relay.

ATTESA also uses the ABS sensors...as well as g-force sensors.

  • 2 months later...

thanks chook

the powerfc makes it harder to find these codes without swapping ECU's back (i guess).

based on philtacular's issue 'the clicking relay' which showed a pressure switch fault then it is odds on we all have the same issue.

sooo what does the pressure switch do and where is it?

On my R32 GTR the relay in the rear of the boot clicks intermittantly at idle also. My 4WD gauge also goes to full torque split and beyond. As soon as the car moves, it goes back to normal and the clicking stops.

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