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

Fig 1: Open In Transmission Range Switch ATP Switch - Circuit Diagram
G06123653Courtesy of AMERICAN HONDA MOTOR CO., INC.

Transmission range switch contact point input matrix

SHIFT LEVER POSITION CHART

Shift lever position Input per switch
P   N D S FWD RVS
P ◦           ◦
    ◦         ◦
N     ◦       ◦
D       ◦   ◦  
S         ◦ ◦  
◦: Closed X: Open