Codes on 2001 Infiniti QX4

Is the bank 2 CAT referring to the left & right side of the Catalytic Converter. Need to understand what bank 1 and bank 2 are. I know this Catalytic Converter has 4 converters.

by in Gastonia, NC on June 19, 2010
1 answer
ANSWER by on June 19, 2010
Bank 1 = #1 cylinder side. Locate the #1 cylinder and that is the correct side. Look here for cyl numbering:
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