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Home >> Acura >> 2021 >> TLX Base >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle/Transfer Assembly - Service, Testing And Troubleshooting >> Connector View >> A/T Control System Connector for Inputs and Outputs
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A/T Control System Connector for Inputs and Outputs

Connector Index
TCM Connector A (23P)
TCM Connector B (45P)
SBW Shifter Control Module 20P Connector

TCM Connector A (23P) (female terminals) 

GHH477426Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 LG2 Ground for TCM
2 NC Detects countershaft speed sensor signal
3 Not used  
4 TCUWUP/ACC Detects TCUWUP/ACC signal
5 Not used  
6 IG1 Detects ignition signal
7 Not used  
8 VB3 Power source for TCM
9 LG1 Ground for TCM
10 VCC3 Provides sensor reference voltage
11 Not used  
12 PF-CAN C_L Sends and receives communication signal
13 PF-CAN C_H Sends and receives communication signal
14 RVSOUT Outputs R position signal
15 VB1 Power source for TCM
16 SG3 Sensor ground
17 IGNTRx Communication line
18 PF-CAN A_L Sends and receives communication signal
19 PF-CAN A_H Sends and receives communication signal
20 SDNP Detects paddle shifter - (downshift switch) signal
21 SUPP Detects paddle shifter + (upshift switch) signal
22 PARKOUT Outputs P position signal
23 VB2 Power source for TCM

TCM Connector B (45P) (female terminals) 

GHH477427Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 SW B Detects transmission fluid pressure switch signal
2 LINEAR F - Drives clutch pressure control solenoid valve F
3 LINEAR A - Drives clutch pressure control solenoid valve A
4 TATF Detects ATF temperature sensor signal
5 LINEAR A+ Drives clutch pressure control solenoid valve A
6 LINEAR E - Drives clutch pressure control solenoid valve E
7 LINEAR E+ Drives clutch pressure control solenoid valve E
8 LINEAR B - Drives clutch pressure control solenoid valve B
9 LINEAR B+ Drives clutch pressure control solenoid valve B
10 LINEAR F+ Drives clutch pressure control solenoid valve F
11 NM Detects mainshaft speed sensor signal
12 PRESSURE F Detects transmission fluid pressure sensor F signal
13 SG3 Sensor ground
14 SW A Detects transmission fluid pressure switch signal
15 SG1 Sensor ground
16 PRESSURE B Detects transmission fluid pressure sensor B signal
17 PG 1 Ground for TCM
18 PRESSURE A Detects transmission fluid pressure sensor A signal
19 STROKE TWC 1 Detects two-way clutch actuator valve stroke sensor signal
20 VCC1 Provides sensor reference voltage
21 SH G Drives shift solenoid valve G
22 SH D Drives shift solenoid valve D
23 SH C Drives shift solenoid valve C
24 SH E Drives shift solenoid valve E
25 SH F Drives shift solenoid valve F
26 SH B Drives shift solenoid valve B
27 SH A Drives shift solenoid valve A
28 STROKE TWC 2 Detects two-way clutch actuator valve stroke sensor signal
Terminal Number Terminal Name Description
29 VCC2 Provides sensor reference voltage
30 STROKE PKG 1 Detects parking actuator valve stroke sensor signal
31 VCC3 Provides sensor reference voltage
32 PRESSURE E Detects transmission fluid pressure sensor E signal
33 SG2 Sensor ground
34 PRESSURE C Detects transmission fluid pressure sensor C signal
35 PG 2 Ground for TCM
36 PRESSURE D Detects transmission fluid pressure sensor D signal
37 LINEAR H - Drives clutch pressure control solenoid valve H
38 LINEAR H+ Drives clutch pressure control solenoid valve H
39 STROKE PKG 2 Detects parking actuator valve stroke sensor signal
40 LINEAR G - Drives clutch pressure control solenoid valve G
41 LINEAR G+ Drives clutch pressure control solenoid valve G
42 LINEAR D - Drives clutch pressure control solenoid valve D
43 LINEAR D+ Drives clutch pressure control solenoid valve D
44 LINEAR C - Drives clutch pressure control solenoid valve C
45 LINEAR C+ Drives clutch pressure control solenoid valve C

SBW Shifter Control Module 20P Connector (female terminals) 

GHH477428Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 GND Ground for SBW shifter control module
3 ILL-(LED) Detects illumination control signal
5 PF-CAN A_H Sends and receives communication signal
6 PF-CAN A_L Sends and receives communication signal
9 PF-CAN C_H Sends and receives communication signal
10 PF-CAN C_L Sends and receives communication signal
18 IG1_TCU Power source for SBW shifter control module
19 ILLUMI+ Power source for SBW shifter illumination
20 +B_SBW Power source for SBW shifter control module