Bank 1 is the passenger side. Also, the heater circuit issue can be caused by a blown fuse. The fuse in question is in the fuse box by the battery. Since the heater circuit CEL is the only o2 sensor code being thrown, I'd check the fuse first.
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'11 370Z Nismo #528 Fast Intentions | Stillen | Motordyne | Uprev | CSF | Zspeed | Z1 Motorsports | AST | Swift | SPC | SPL | Whiteline | Hotchkis | Bride | Schroth | Robispec | Cusco | Nismo | Volk | Forgestar | Hoosier | RJM
'17 Titan Bone Stock
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