Hello fellow Benz owners.
I installed a tachometer in my 1993 1,8L 190E and it confirmed my impression of high idle : 1300 revs/min...
The strange thing is that if i turn the AC on, it goes back to 750/800...
I did some research on this forum, the ICV does click click when 9V is applied, the hoses are ok.
Today, i wanted to check the Klima relay and : Surprise! There is no AC relay, it has been replaced by a Universal Hella relay 5 pins normally open 4RA 940 010-67...
This is the way it is wired : O empty pin connection :
windscreen
OXOOXO OVPR Calculator Battery
OOXXOO
KPR relay
engine
Car is RHD.
My AC system is not the one you have in the US (with the buttons), i have two levers that travel horizontally, one for the fan, one for the strength of the AC...
Could the missing klima relay be the culprit for my high idling?
Comments greatly appreciated, TIA.
I installed a tachometer in my 1993 1,8L 190E and it confirmed my impression of high idle : 1300 revs/min...
The strange thing is that if i turn the AC on, it goes back to 750/800...
I did some research on this forum, the ICV does click click when 9V is applied, the hoses are ok.
Today, i wanted to check the Klima relay and : Surprise! There is no AC relay, it has been replaced by a Universal Hella relay 5 pins normally open 4RA 940 010-67...
This is the way it is wired : O empty pin connection :
windscreen
OXOOXO OVPR Calculator Battery
OOXXOO
KPR relay
engine
Car is RHD.
My AC system is not the one you have in the US (with the buttons), i have two levers that travel horizontally, one for the fan, one for the strength of the AC...
Could the missing klima relay be the culprit for my high idling?
Comments greatly appreciated, TIA.