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DTC P0812: Open in Transmission Range Switch ATPR Switch Circuit: Notes

Fig 1: Transmission Range Switch - Circuit Diagram
G08582578Courtesy of AMERICAN HONDA MOTOR CO., INC.
TRANSMISSION RANGE SWITCH CONTACT POINT INPUT MATRIX

Shift lever position Input per switch
ATPP ATPR ATPN ATPD ATPS ATP FWD ATP RVS
P  ◦ X X X X X X
R  X ◦ X X X X ◦
N  X X ◦ X X X X
D  X X X ◦ X ◦ X
S  X X X X ◦ ◦ X
◦: Closed X: Open