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Home >> Acura >> 2017 >> RLX Base >> Repair and Diagnosis (Single Page) >> Suspension >> Wheels & Tire System >> TPMS System - Testing & Troubleshooting (Except Hybrid) >> Connector View >> TPMS Control Unit Connector for Inputs and Outputs (2018 2019 2020)

TPMS Control Unit Connector for Inputs and Outputs (2018 2019 2020)

NOTE:  Only terminals related to the TPMS are shown.

Connector Index
Keyless Access/TPMS Control unit Connector A (32P)
Keyless Access/TPMS Control unit Connector B (36P)
Keyless Access/TPMS Control unit Connector C (20P)

Keyless Access/TPMS Control Unit Connector A (32P) (female terminals) 

GHH352242Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal sign Description
1 +B SMART Power source for the keyless access/TPMS control unit
2 Not used ---
3 Not used
4 Not used
5 Not used
6 Not used
7 Not used
8 Not used
9 Not used
10 Not used
11 Not used
12 EXT FR AS+ Plus signal for the right-front initiator
13 EXT FR DR+ Plus signal for the left-front initiator
14 Not used ---
15 EXT RR AS+ Plus signal for the right-rear initiator
16 EXT RR DR+ Plus signal for the left-rear initiator
17 GND Ground for the keyless access/TPMS control unit
18 Not used ---
19 Not used
20 Not used
21 Not used
22 Not used
23 Not used
24 Not used
25 Not used
26 Not used
27 Not used
28 EXT FR AS- Minus signal for the right-front initiator
29 EXT FR DR- Minus signal for the left-front initiator
30 Not used ---
31 EXT RR AS- Minus signal for the right-rear initiator
32 EXT RR DR- Minus signal for the left-rear initiator

Keyless Access/TPMS Control Unit Connector B (36P) (female terminals) 

GHH352243Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal sign Description
1 Not used ---
2 Not used
3 Not used
4 Not used
5 Not used
6 Not used
7 Not used
8 Not used
9 Not used
10 Not used
11 Not used
12 Not used
13 Not used
14 Not used
15 Not used
16 Not used
17 Not used
18 +B BACK UP Power source for the keyless access/TPMS control unit
19 Not used ---
20 Not used
21 Not used
22 Not used
23 Not used
24 Not used
25 Not used
26 Not used
27 Not used
28 Not used
29 Not used
30 Not used
31 Not used
32 Not used
33 Not used
34 IG1B SMART Power source for the activating the system
35 Not used ---
36 GND Ground for the TPMS control unit

Keyless Access/TPMS Control Unit Connector C (20P) (female terminals) 

GHH352244Courtesy of HONDA, U.S.A., INC.
Terminal number Terminal sign Description
1 Not used ---
2 F-CAN A_H F-CAN communication circuit
3 Not used ---
4 Not used
5 Not used
6 Not used
7 Not used
8 Not used
9 Not used
10 Not used
11 Not used
12 F-CAN A_L F-CAN communication circuit
13 Not used ---
14 Not used
15 Not used
16 Not used
17 Not used
18 Not used
19 Not used
20 Not used