BMW E46 316 VVT 2002 - Code 2862 VVT power supply #
Posted by Alan Crook on April 10, 2015, 10:00 pm
Year of Manufacture *: 2002 Engine Size and Code *: 1800cc N42 Engine ( Optional ) Scanner Used: Snap On , Dec Scan , INPA ( Optional) Fault Codes: 2862 - VVT - Power Supply
I have a e46 BMW 316 saloon, it hesitates when setting of and feels under powered. The fault codes i am getting are 2862 - VVT power supply , this will never clear and 2865 - Power Supply Limit VVT - Emergency, this will clear but will come back once running. I have changed the VVT actuator and eccentric shaft sensor and also the VVT control unit but still cannot clear code. I have checked all the wiring from the VVT control unit and also the wiring from the ECU but there does not seem to be a fault. The green and black wire that should ground the main power supply relay through the VVT unit is not present, so there is no power to the VVT control unit, however is this because it is in limp home mode. All main power supply and grounds have be checked and loaded up but still not fault found. There appears to be no other faults with the car and not other codes are in the vehicle memory. Would be grateful for any help.
Have you checked you have a supply to the VVT relay, for the motor and coil curcuit, position 1? I saw this problem a long time ago now, and from memory there is a fuse for this curcuit not shown in Autodata wiring, a big 100A and from memory it was in the boot.
Re: BMW E46 316 VVT - Power Supply
Posted by Alan Crook on April 11, 2015, 1:12 pm, in reply to "Re: BMW E46 316 VVT - Power Supply" Edited by board administrator April 16, 2015, 12:33 pm
Yes, we have checked that and there is good strong current supply to the relay.