Air Condition Circuit. Heres where I am at so far:
Thread Starter
Damn, it did start!
Joined: Feb 2001
Posts: 2,771
Likes: 470
From: washington
Air Condition Circuit. Heres where I am at so far:
I'm working out the Air Conditioning circuit. the trigger from the source is 12v when the AC button is disengaged and about .75V when engaged.
Based on the Haltech Knowledge Base I found this gem:
The switch is at 5V when it is Off and is grounded to 0V when the switch is On. Correct settings with tolerance would be to set On voltage to 0.5V and the Off Voltage to 4.5V. i.e. when the voltage falls below 0.5V it is considered to be ON, and when it rises back above 4.5V it is considered to be OFF.
I changed the on voltage to 1.5v and 4v for off. When connected to the ECU, ESP reads the appropriate voltage based on what is being fed to the AVI. Unfortunately the DPO which is connected to a relay controlling the AC compressor does not read active regardless of AVI status. Oddly enough if I change the DPO's Active State it will trigger the relay, independent of the AVI. Active State "LOW" has the relay disengaged, "HIGH" engages the relay.
Withheld information is that this is not a running engine. I did change the Minimum Run Time to "0" .
there is no AC pressure input active in the ESP settings. Just the trigger and output at this point. I am just trying to engage the AC clutch.
In theory I should be able to trigger the relay without the engine running but I may be overlooking something at this point
thoughts?
Based on the Haltech Knowledge Base I found this gem:
The switch is at 5V when it is Off and is grounded to 0V when the switch is On. Correct settings with tolerance would be to set On voltage to 0.5V and the Off Voltage to 4.5V. i.e. when the voltage falls below 0.5V it is considered to be ON, and when it rises back above 4.5V it is considered to be OFF.
I changed the on voltage to 1.5v and 4v for off. When connected to the ECU, ESP reads the appropriate voltage based on what is being fed to the AVI. Unfortunately the DPO which is connected to a relay controlling the AC compressor does not read active regardless of AVI status. Oddly enough if I change the DPO's Active State it will trigger the relay, independent of the AVI. Active State "LOW" has the relay disengaged, "HIGH" engages the relay.
Withheld information is that this is not a running engine. I did change the Minimum Run Time to "0" .
there is no AC pressure input active in the ESP settings. Just the trigger and output at this point. I am just trying to engage the AC clutch.
In theory I should be able to trigger the relay without the engine running but I may be overlooking something at this point
thoughts?
Thread Starter
Damn, it did start!
Joined: Feb 2001
Posts: 2,771
Likes: 470
From: washington
https://www.icloud.com/iclouddrive/0...0_13b_6P_turbo
that link should get you to a copy of the file.
Once again, the engine has never started at this point. Nor have I tried. I have built this my base map based on this forum and Haltech's rotary specific tech. Right Now I believe the Lambda and BaseFuel are from the Haltech FD base maps. Seems that the base fuel is high unless I am not understanding the fuel map.
Feel free to critique if you catch any errors.
Thank You.
that link should get you to a copy of the file.
Once again, the engine has never started at this point. Nor have I tried. I have built this my base map based on this forum and Haltech's rotary specific tech. Right Now I believe the Lambda and BaseFuel are from the Haltech FD base maps. Seems that the base fuel is high unless I am not understanding the fuel map.
Feel free to critique if you catch any errors.
Thank You.
I don’t see anything obviously wrong. My guess is, even though you have run time set to 0, the engine needs to be running to enable the output.
One thing I did see, you’ll want to use the Nexus style injector staging. Much easier to setup and get smooth than the Elite style.
One thing I did see, you’ll want to use the Nexus style injector staging. Much easier to setup and get smooth than the Elite style.
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