Fog lights wake CAN bus/BCM?

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agt

Member
Joined
Dec 4, 2016
Messages
11
Location
San Diego, CA USA
I'm looking for a way for my Raspberry Pi to wake up the CAN bus when the car is off.

According to the service manual, toggling the fog light switch should do the trick, but my 2016 S has no such button to test.

Before I hunt down that unused BCM input and hook up my Pi, would anyone with factory fog lights be willing to test whether activity on that switch will wake up a sleeping car?
 
The CAN - bus also starts when you open the door. I'm doing so, when I connect my bluetooth OBD with Leaf Spy on the mobile and do not start the Leaf before.
 
Thanks! The 2015 service manual suggests the activities listed will wake up the bus, but on my 2016 S, "TURN RH" and "TURN LH" don't have that effect. My end goal is to configure my Raspberry Pi to periodically toggle the (nonexistent) FR FOG switch to wake the CAN bus, sample battery state, and then let the car go back to sleep.


  • Receiving the sleep-ready signal (Not-ready) from any units
    Power switch (push switch): OFF- ON
    Hazard switch: ON
    HI BEAM switch: OFF - ON, ON - OFF
    PASSING switch: OFF - ON, ON - OFF
    HEADLAMP 1 switch: OFF - ON, ON - OFF
    HEADLAMP 2 switch: OFF - ON, ON - OFF
    TAIL LAMP switch: OFF - ON
    FR FOG switch: OFF - ON, ON-OFF
    TURN RH: OFF - ON, ON - OFF
    TURN LH: OFF - ON, ON - OFF
    Driver door switch: OFF - ON, ON - OFF
    Passenger door switch: OFF - ON, ON - OFF
    Rear RH door switch: OFF - ON, ON - OFF
    Rear LH door switch: OFF - ON, ON - OFF
    Back door switch: OFF - ON, ON - OFF
    Driver door request switch: OFF - ON
    Passenger door request switch: OFF - ON
    Back door request switch: OFF - ON
    Back door opener switch: OFF - ON
    Stop lamp switch: ON
    Door lock and unlock switch: NEUTRAL - LOCK, NEUTRAL - UNLOCK
    Front door lock assembly (driver side) (door key cylinder switch): NEUTRAL - LOCK, NEUTRAL - UNLOCK
    Remote keyless entry receiver communication: Receiving
    Front door lock assembly (driver side) (unlock sensor): OFF - ON, ON - OFF
 

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