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Good Auto Elec?

Iron Chef

By Iron Chef,
in South Australia

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Tommy Kaira RL Mentor

Tommy Kaira RL

Posted
Posted

I guess its Mikes M35. There is also a relay under the aircleaner the controls the attesa. If thats not working it wont turn the pump on. Which would keep the 4wd light on.

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Dunc Mentor

Dunc

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Posted

I guess its Mikes M35. There is also a relay under the aircleaner the controls the attesa. If thats not working it wont turn the pump on. Which would keep the 4wd light on.

Correct, theyve tried replacing that relay and also the ETC computer from Ryans car.. still no dice. I asked Mike about it yesterday and he said they've essentially narrowed it down to being somethign wrong with the wiring somewhere. Its running in RWD at the moment, which seems to be the 'failsafe mode' that the ATTESA system goes into when anything goes wrong.

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impul535w Community Regular

impul535w

Posted
Posted

Has Mike checked the 30A fuse for power. Then the wire that goes to the battery. Aparently there is no volts at the relay.

Fuse looks good, its one of those grouped fuses (sorry dont know what else to call it) but did not check the wiring from there back to the battery sorry. Will check that when i get back to Adelaide.

Oh I assumed that the 30amp fuse in question was the one in the fuse box next to the battery?

Happy to take the car up to see you also.

Mike.

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Tommy Kaira RL Mentor

Tommy Kaira RL

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Posted

Yes there is a 30A ETS fuse under the battery lid. Check that there is 12V on both sides of the fuse. The fuse might not be blown but it could have no supply still. There is also a contact that goes into the ETS ECU. Also check accessories will turn the relay on and the 30A fuse then supplies the motor through the relay. Have you got the wiring diagram and can you read one?

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impul535w Community Regular

impul535w

Posted
Posted

Yes there is a 30A ETS fuse under the battery lid. Check that there is 12V on both sides of the fuse. The fuse might not be blown but it could have no supply still. There is also a contact that goes into the ETS ECU. Also check accessories will turn the relay on and the 30A fuse then supplies the motor through the relay. Have you got the wiring diagram and can you read one?

Ok, I'll bust out the old multimeter and check both sides (silly question but am I going to be able to even get the probe in to measure both sides or should I pull out the box and measure from the bottom or something?)

Also you kind of lost me in the second part, any chance I could give you a buzz at some stage and talk it through?

Mike.

Isn't the

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Tommy Kaira RL Mentor

Tommy Kaira RL

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Posted

PM sent. The relay has a coil which operates a contact. When accessories is applied to the coil of the relay it will pull the switch in which is fed by the 30A feed. There should be 2 12v supplies at the relay. It works the same way when you install spot lights.

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