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 ECU control of Air Conditioning system
JohnDEF

Post26th Jul 2023 4:57pm 		Forum: Td5 · Replies: 8 · Views: 1935 · Subject: ECU control of Air Conditioning system
All the above suggest that the ECU signals on these pins are high (+12v) for OFF and low (0v) for ON.

Does that sound consistent with other ECU signals? Maybe any Nanocom experts out there might b ...
 ECU control of Air Conditioning system
JohnDEF

Post25th Jul 2023 4:09pm 		Forum: Td5 · Replies: 8 · Views: 1935 · Subject: ECU control of Air Conditioning system
hi NickMc
that's from the manual and describes how the demand signal works from the AC side, but it doesn't describe what the ECU does on the demand inputs.

I've measured 12v at IGN on and with t ...
 ECU control of Air Conditioning system
JohnDEF

Post25th Jul 2023 3:27pm 		Forum: Td5 · Replies: 8 · Views: 1935 · Subject: ECU control of Air Conditioning system
hi TexasRover
I agree that there isn't any magic or any advanced sophistication in the system - there's only two demand signals - compressor and fan, and two output signals to switch each on/off inde ...
 ECU control of Air Conditioning system
JohnDEF

Post25th Jul 2023 9:14am 		Forum: Td5 · Replies: 8 · Views: 1935 · Subject: ECU control of Air Conditioning system
hi,
First post to this forum!

I'm looking for some info on how the Defender TD5 (15P) ECU operates with the air conditioning system. I've been through the wiring diagram and can see that there ar ...
 
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