TPMS Control Unit Inputs and Outputs at the 20P Connector

Fig 1: Identifying TPMS Control Unit 20P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Terminal number	Wire color	Terminal sign (Terminal name)	Description	Signal
2	WHT	CAN H (F-CAN communication signal high)	F-CAN communication circuit	With ignition switch ON (II): pulses
3	BLK	GND (Ground)	Ground for the TPMS control unit	Less than 0.1 V at all times
7	BLU	K-LINE (Data link connector)	Communications with the HDS	--
8	LT BLU	IG1 (Ignition switch 1)	Power source for activating the system	With ignition switch ON (II): battery voltage (about 12 V)
				With ignition switch in LOCK (0): less than 0.1 V
10	PNK	+ B (Battery positive)	Power source for the TPMS control unit	Battery voltage (about 12 V) at all times
11	RED	CAN L (F-CAN communication signal low)	F-CAN communication circuit	With ignition switch ON (II): pulses