TPMS Control Unit Inputs and Outputs for 20P Connector: Notes

Fig 1: Identifying TPMS Control Unit 20P Connector End View

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Terminal number	Wire color	Terminal sign	Description	Signal
1	PNK	RF LF PWR. (RF low frequency power)	Power source for the right-front initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: About 7 V
2	WHT	F-CAN H (F-CAN communication signal high)	F-CAN communication circuit	With ignition switch ON (II), or vehicle in ON mode: pulses
3	BLK	GND (Ground)	Ground for the TPMS control unit	Less than 0.1 V at all times
5	PUR	LF LF SIG. (LF low frequency signal)	Detects the signal from the left-front initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: pulses 0- 2V
				After 40 seconds with ignition switch ON (II), or vehicle in ON mode: less than 0.1 V
6	LT GRN	RF LF SIG. (RF low frequency signal)	Detects the signal from the right-front initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: pulses 0- 2V
				After 40 seconds with ignition switch ON (II), or vehicle in ON mode: less than 0.1 V
7	LT BLU	K-LINE (Data link connector)	Communications with the HDS	- -
8	BRN	IG1 (Ignition switch 1)	Power source for activating the system	With ignition switch ON (II), or vehicle in ON mode: battery voltage (about 12 V)
				With ignition switch in LOCK (0), or vehicle in OFF mode: less than 0.1 V
10	WHT	+ B (Battery positive)	Power source for the TPMS control unit	Battery voltage (about 12 V) at all times
11	BLK	F-CAN L (F-CAN communication signal low)	F-CAN communication circuit	With ignition switch ON (II), or vehicle in ON mode: pulses
12	GRY	LR LF GND (LR low frequency ground)	Ground for the left-rear initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: less than 0.1V
13	WHT	RR LF GND (RR low frequency ground)	Ground for the right-rear initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: less than 0.1V
14	YEL	LF LF GND (LF low frequency ground)	Ground for the left-front initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: less than 0.1V

Fig 2: Identifying TPMS Control Unit 20P Connector Terminals

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Terminal number	Wire color	Terminal sign	Description	Signal
15	BLU	RF LF GND (RF low frequency ground)	Ground for the right-front initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: less than 0.1V
16	PNK	LR LF SIG. (LR low frequency signal)	Detects the signal from the left-rear initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: pulses 0- 2 V
				After 40 seconds with ignition switch ON (II), or vehicle in ON mode: less than 0.1 V
17	ORN	RR LF SIG. (RR low frequency signal)	Detects the signal from the right-rear initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: pulses 0- 2 V
				After 40 seconds with ignition switch ON (II), or vehicle in ON mode: less than 0.1 V
18	LT GRN	LR LF PWR. (LR low frequency power)	Power source for the left-rear initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: About 7 V
19	BLU	RR LF PWR. (RR low frequency power)	Power source for the right-rear initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: About 7 V
20	BRN	LF LF PWR. (LF low frequency power)	Power source for the left-front initiator	For the first 5 seconds after turning the ignition switch ON (II), or vehicle in ON mode: About 7 V