TPMS Control Unit Inputs and Outputs 20P Connector

Fig 1: Identifying TPMS Control Unit Inputs And Outputs 20P Connector Terminal

Courtesy of AMERICAN HONDA MOTOR CO., INC.

CONNECTOR TERMINAL REFERENCE

Terminal number	Wire color	Terminal sign (Terminal name)	Description	Signal
				Terminal	Conditions	Voltage
1	WHT	CAN H (CAN communication signal high)	Sends the communication signal	-	Ignition switch ON (II)	Pulses
4	BLK	GND (Ground)	Ground for the TPMS control unit	4-GND	At all times	Less than 0.1 V
5	ORN	LF LF SIG. (LF low frequency signal)	Sends the signal to the left-front initiator	5-GND	For the first 5-16 seconds after turning the ignition switch ON (II)	Pulses 0-2 V
					With ignition switch ON (II) for more than 5-16 seconds	Less than 0.1 V
6	GRY	RF LF SIG. (RF low frequency signal)	Sends the signal to the right-front initiator	6-GND	For the first 5-16 seconds after turning the ignition switch ON (II)	Pulses 0-2 V
					With ignition switch ON (II) for more than 5-16 seconds	Less than 0.1 V
7	BLU	K-LINE (Data link connector)	Communications with the HDS	-	-	-
8	YEL	IG1 (Ignition switch 1)	Power source for activating the system	8-GND	Ignition switch ON (II)	Battery voltage
					Ignition switch OFF	Less than 0.1 V
10	RED	+B (Battery positive)	Power source for the TPMS control unit	10-GND	At all times	Battery voltage
11	RED	CAN L (CAN communication signal low)	Sends the communication signal	-	Ignition switch ON (II)	Pulses
15	GRN	LF GND (LF low frequency ground)	Ground for the initiators	15-GND	Ignition switch ON (II)	Less than 0.1 V
16	PNK	LR LF SIG. (LR low frequency signal)	Sends the signal to the left-rear initiator	16-GND	For the first 5-16 seconds after turning the ignition switch ON (II)	Pulses 0-2 V
					With ignition switch ON (II) for more than 5-16 seconds	Less than 0.1 V
17	WHT	RR LF SIG. (RR low frequency signal)	Sends the signal to the right-rear initiator	17-GND	For the first 5-16 seconds after turning the ignition switch ON (II)	Pulses 0-2 V
					With ignition switch ON (II) for more than 5-16 seconds	Less than 0.1 V
20	BLU	LF PWR. (LF low frequency power)	Power source for the initiators	20-GND	For 5 seconds with ignition switch ON (II)	About 7 V
					After 5 seconds with ignition switch ON (II)	-