Quote:
Originally Posted by gatos
No connection to the ECU. However one thing that surprised me was the connection 1.7 and 2.11 to the CEM. I would most probably rule out corrosion in the main loom under the radiator as it does not appear to be anywhere near the schematics of the heater control panel.
There seem to be 2 ground points in the diagram; 31/1 and 31/2. Those 2 would need to be checked.
If all else fails I could also send you the CEM which is easy to plug in and see if it makes a difference.
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Thanks for that Gatos - I'm hoping the Volvo technician has those diagrams, but something tells me he might not! If I can get past the service desk chap I might try and sneak copies into him. I'm pondering a local auto electrician at the moment, but want to give Volvo a bit longer to try to sort it.