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Phase 1 & 2 Ecu Signal Diagnostics


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#1 Toyoloog

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Posted 23 September 2017 - 11:40 AM

I've started on some translations of the workshop manual and I thought it might be of some value to others as well.
Here's the phase 1 ECU diagnostics section with reference value's. As usual I don't take any responsibility for any mistakes...
Somehow when I did some diagnosis on my phase 1 I measured some signals that did not tally up but do correspond to the Phase 2 ECU. (TPS sensor voltages for example)

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#2 Tobias

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Posted 21 December 2017 - 05:09 PM

Good work, thanks!

 

How do you get to check the values while the connector is still plugged into the ECU?

I can remember it being quite a pain to get to down in the passenger's footwell (let alone replace it!).



#3 Toyoloog

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Posted 29 December 2017 - 07:32 AM

Yeah it;'s quite a pain to reach it. Taking the glove compartment out does help a bit though. Alternatively you could make an extension harness but I never found the need for that.






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