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+--- Thread: Wiring info - upgrading seats on V60 (may be useful for others) (/showthread.php?tid=758)
Wiring info - upgrading seats on V60 (may be useful for others) - Power6 - 01-20-2025
I pulled some information for guidance out of service information for upgrading seats on a V60, from power but unheated seats, to heat/ventilated/massage seats. The information is specific to the V60 I checked on, but many things are universal in the SPA models, so I think this may be useful for others as a guide with some visual help. As many of you probably know...pulling information out of VIDA for these type of projects, can be tedious and complicated ;-)
As far as I can see, when upgrading the seats:
- It's easiest to swap seats with the modules and intact wiring harness inside the seats (otherwise you have to work all those parts out on your own)
- You need to check and see that some wiring is present in the car to support the extra features. If you don't have heated seats already, you need to see that the power for the SHMs (Seat heater modules) is supplied at the seat plug, or add it if needed. (they are supplied separately from the PSMs seat modules)
- When adding ventilation, you need to see that there is a LIN control wire present from the CCM, or add if needed.
Terminal info below, for the seat plugs and where they should be wired to:
Left side 94/505 pin 1 - SHML (Seat Heater Module front Left) (+) feed, from fuse CF46, 15/50.B pin 22 in fusebox plug B
Left side 94/505 pin 6 - SHML (Seat Heater Module front Left) (-) ground, should be present and joined to chassis ground
Left side 94/505 pin 32 - SHML (Seat Heater Module front Left) LIN, from CCM (Climate Control Module), B connector pin 28 in CCM (joined with right side and blower motor)
Right side 94/506 pin 1 - SHMR (Seat Heater Module front Right) (+) feed, from fuse CF47, 15/50.B pin 10 in fusebox plug B
Right side 94/506 pin 6 - SHMR (Seat Heater Module front Right) (-) ground, should be present and joined to chassis ground
Right side 94/506 pin 32 - SHMR (Seat Heater Module front Right) LIN, from CCM (Climate Control Module), B connector pin 28 in CCM (joined with left side and blower motor)
Circuit/fuse info (CF46 and CF47) I believe are specific to the V60, so the circuit to use (matching original) could differ for each car as to what should supply the SHMs.
Where to find the components?
Seat plugs and the pin numbering
CCM location
Continue next post...
RE: Wiring info - upgrading seats on V60 (may be useful for others) - Power6 - 01-20-2025
CCM plugs
CCM Plug B pins
Central fuse box location
Central fuse box plugs
Central fuse box plug B pins
RE: Wiring info - upgrading seats on V60 (may be useful for others) - Power6 - 01-20-2025
And the fuse box layout for this car
Comments welcome! What do I have wrong, corrections, advice, etc. I've not done this swap, just research all the wiring information and get some visuals to help the process for OrBit users.
RE: Wiring info - upgrading seats on V60 (may be useful for others) - IMAY2023 - 01-21-2025
Just a node here.
Getting to CCM or the CCM connector is very hard. In most cases, dashboard needs to come out. So, the LIN for heated and ventilated seats from the seat controller to the CCM can be tabbed to
1) 4/204 SEAT HEATING MODULE RIGHT SHMR > 4/229 HUMIDITY SENSOR HUS (A2 green)
2) 4/203 SEAT HEATING MODULE LEFT SHML > 4/222 CENTER CONSOLE SWITCH MODULE CCSM (A5 white)
If rear heated seats are added too,
LIN of the rear seats are on the same LIN bus as the fronts. Left to Left and right to right. If the car already equipped with 4 zone AC, it is possible to control retrofit rear seat heat / vent from the center display. (rear climate page). If the car does not have 4 zone climate, a switch should be added.
Ventilated and heated seat modules have the same inputs, (LIN, Ground and Pos) the only difference is the output for the seat vents.
I retrofitted from heated to (Heated / Ventilated and Massage) seats. I only needed to add the power for the seat comfort module. 5AMP to fuse box shared by both front seats.