22-04-2013, 09:52 AM
Hi does anyone know where the fan switch for coolant temps is located on a hdi, had a look in the engine bay cant seem to find it ?
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Fan switch location
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Threads: 465 Joined: Dec 2011 Reputation: 114 Location: Cullompton Devon Car Model/Spec: Vauxhall 
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22-04-2013, 10:46 AM
its located insise the ecu
ecu controls the fans relays 
22-04-2013, 11:13 AM
(22-04-2013, 10:46 AM)cully Wrote: its located insise the ecu So there isn't a fan switch which i can bridge the fans to check the fan operation? I've tried bridging the pins on the a/c plug but got nothing my next guess is changing the relays and the fan ecu under the wheel arch then
Posts: 7,825
Threads: 465 Joined: Dec 2011 Reputation: 114 Location: Cullompton Devon Car Model/Spec: Vauxhall
Thanks: 1
Given 98 thank(s) in 92 post(s)
22-04-2013, 11:16 AM
unpluging the blue plug on the side of the head above the gearbox will bring on the fans and also log a fault code
22-04-2013, 12:10 PM
You sure???
I thought it was the bitron unit in the wheel arch that controlled the relays, the ECU doesnt actually control them... |
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