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Hello, i have a problem in my Citroen C4 2011, my powersteering is heavy at at idle , but when driving its normal..
Checked power and grounds all good!
got the wiring diagram, as i checked, there 5 wires, 1 ignition+ , 2 wires for Can bus, 2 for SAS as i think this pump as its PWM it varyies the pump rpm trough the speed of the vehicle .
i have no voltage at the 2 can bus or SAS wires, the powers and grounds and the ignition+ is all goood, and the pump works , but steering is hard at idle
in the wiring diagram
7122 - Power steering pump unit
CV00- SAS
