An overall test to locate the failure is quite simple.
- Remove the dashboard
- you see the 16 pin connector, loom side
- locate the green/black cable
- connect it to ground
Fan is running -> failure inside the dashboard
Fan is still dead -> failure in the relay, the fan itself, or the cabling
(edit: correct formatting restored)
- Remove the dashboard
- you see the 16 pin connector, loom side
- locate the green/black cable
- connect it to ground
Fan is running -> failure inside the dashboard
Fan is still dead -> failure in the relay, the fan itself, or the cabling
(edit: correct formatting restored)