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

Fig 1: Transmission Range Switch - Circuit Diagram

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Transmission range switch contact point input matrix

TRANSMISSION RANGE SWITCH CONTACT POINT INPUT MATRIX

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