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Home >> Honda >> 2021 >> Civic Touring >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Continuously Variable Transaxle (CVT) - Testing & Troubleshooting (Adjustment - Inspection) >> Connector View >> TCM Connector for Inputs and Outputs (L15B7/L15BA/L15BY (CVT))

TCM Connector for Inputs and Outputs (L15B7/L15BA/L15BY (CVT))

CVT Control System Inputs and Outputs at TCM 50P Connector 

GHH401283Courtesy of HONDA, U.S.A., INC.
Terminal Number Terminal Name Description
1 +B (POWER SOURCE) Power source for TCM
2 Not used  
3* 1 F-CAN_H (F-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
3* 2 F-CAN A_H (F-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
4 TM-CAN_H (TM-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal
5 Not used  
6 SOL C (SHIFT SOLENOID VALVE O/P) Drives shift solenoid valve O/P
7 SOL B (SHIFT SOLENOID VALVE B) Drives shift solenoid valve B
8 IG1 (IGNITION SIGNAL) Detects ignition signal
9 GND2(TCU) (TCM GROUND) Ground for TCM
10 GND1(TCU) (TCM GROUND) Ground for TCM
11* 1 F-CAN_L (F-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
11* 2 F-CAN A_L (F-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
12 TM-CAN_L (TM-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal
13 CPCLS (CVT CLUTCH PRESSURE CONTROL SOLENOID VALVE) Drives CVT clutch pressure control solenoid valve
14 DNLS (CVT DRIVEN PULLEY PRESSURE CONTROL SOLENOID VALVE) Drives CVT driven pulley pressure control solenoid valve
15 DRLS (CVT DRIVE PULLEY PRESSURE CONTROL SOLENOID VALVE) Drives CVT drive pulley pressure control solenoid valve
16 LCCLS (CVT LOCK-UP CLUTCH CONTROL SOLENOID VALVE) Drives CVT lock-up clutch control solenoid valve
17 VCC4 (SENSOR VOLTAGE) Provides sensor reference voltage
18 VCC1 (SENSOR VOLTAGE) Provides sensor reference voltage
19 SG2 (SENSOR GROUND) Sensor ground
20 SG1 (SENSOR GROUND) Sensor ground
21 VCC2 (SENSOR VOLTAGE) Provides sensor reference voltage
22 VEL-PWM (CVT SPEED SENSOR) Detects CVT speed sensor signal
23 Not used  
24 Not used  
25 SG3 (SENSOR GROUND) Sensor ground
26 SLS (SHIFT LOCK SOLENOID) Drives shift lock solenoid
27 Not used  
28 NDR-PWM (CVT DRIVE PULLEY SPEED SENSOR) Detects CVT drive pulley speed sensor signal
29 SG4 (SENSOR GROUND) Sensor ground
Terminal Number Terminal Name Description
30 Not used  
31 PDN (CVT DRIVEN PULLEY PRESSURE SENSOR) Detects CVT driven pulley pressure sensor signal
32 SG5 (SENSOR GROUND) Sensor ground
33 TATF (TRANSMISSION FLUID TEMPERATURE SENSOR) Detects transmission fluid temperature sensor signal
34* 4 SUPP (PADDLE SHIFTER + (UPSHIFT SWITCH)) Detects paddle shifter + (upshift switch) signal
35* 3 ATP-L (TRANSMISSION RANGE SWITCH L POSITION) Detects transmission range switch L position signal
36 ATP-S (TRANSMISSION RANGE SWITCH S POSITION) Detects transmission range switch S position signal
37 ATP-D (TRANSMISSION RANGE SWITCH D POSITION) Detects transmission range switch D position signal
38 Not used  
39 Not used  
40 Not used  
41 VCC3 (SENSOR VOLTAGE) Provides sensor reference voltage
42 VSPOUT (VEHICLE SPEED SIGNAL OUTPUT) Sends vehicle speed signal
43 ATP-RVS (TRANSMISSION RANGE SWITCH RVS POSITION) Detects transmission range switch RVS position signal
44 ATP-FWD (TRANSMISSION RANGE SWITCH FWD POSITION) Detects transmission range switch FWD position signal
45* 4 SDNP (PADDLE SHIFTER - (DOWNSHIFT SWITCH)) Detects paddle shifter - (downshift switch) signal
46 ATP-N (TRANSMISSION RANGE SWITCH N POSITION) Detects transmission range switch N position signal
47 ATP-R (TRANSMISSION RANGE SWITCH R POSITION) Detects transmission range switch R position signal
48 ATP-P (TRANSMISSION RANGE SWITCH P POSITION) Detects transmission range switch P position signal
49 NT (TORQUE CONVERTER TURBINE SPEED SENSOR) Detects torque converter turbine speed sensor signal
50 Not used  

*1: Without CAN gateway

*2: With CAN gateway

*3: Without paddle shifter

*4: With paddle shifter