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A/T Control System Connector for Inputs and Outputs(A/T) (2013 2014 2015)

PCM A/T Control System Inputs and Outputs at PCM connector A ' (49P) 

GHH463058Courtesy of HONDA, U.S.A., INC.

PCM connector A ' (49P) 

Terminal Number Wire Color Terminal Name Description Signal
A1 BLU IG1 MISS SOL (POWER SOURCE FOR SOLENOID VALVES) Power source for solenoid valves With vehicle in ON mode: battery voltage
A3 WHT F CAN-H (CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal With vehicle in ON mode: pulses
A4 RED F CAN-L (CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal With vehicle in ON mode: pulses
A7 GRN FI MAIN RLY CL- (PGM-FI MAIN RELAY 1) Drives PGM-FI main relay 1 With vehicle in ON mode: about 0 V

With vehicle in OFF mode: battery voltage

A9 ORN FI MAIN RLY OUT (POWER SOURCE) Power source for PCM With vehicle in ON mode: battery voltage
A13 LT GRN STOP SW (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal With brake pedal released: about 0 V

With brake pedal pressed: battery voltage

A18 PUR PADDLE SW UP (PADDLE SHIFTER + (UPSHIFT SWITCH)) Detects paddle shifter + (upshift switch) signal With vehicle in ON mode and paddle shifter + (upshift switch) pressed: about 0 V

With vehicle in ON mode and paddle shifter + (upshift switch) released: battery voltage

A19 GRN PADDLE SW DOWN (PADDLE SHIFTER - (DOWNSHIFT SWITCH)) Detects paddle shifter - (downshift switch) signal With vehicle in ON mode and paddle shifter - (downshift switch) pressed: about 0 V

With vehicle in ON mode and paddle shifter - (downshift switch) released: battery voltage

A21 PNK SHIFT LOCK SOL (SHIFT LOCK SOLENOID) Drives shift lock solenoid With vehicle in ON mode, in P, brake pedal pressed, and accelerator pedal released: about 0 V
A42 BRN SCS (SERVICE CHECK SIGNAL) Detects service check signal With service check signal shorted using the HDS: about 0 V With service check signal opened: about 5.0 V

PCM A/T Control System Inputs and Outputs at PCM connector B ' (49P) 

GHH463059Courtesy of HONDA, U.S.A., INC.

PCM connector B ' (49P) 

Terminal Number Wire Color Terminal Name Description Signal
B1 BLK PG (POWER GROUND) Ground circuit for PCM Less than 0.2 V at all times
B8 WHT LINEAR A (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A) Drives A/T clutch pressure control solenoid valve A With vehicle in ON mode: current controlled
B9 BLK/RED OP 3 SW (TRANSMISSION FLUID PRESSURE SWITCH B (3RD CLUTCH)) Detects transmission fluid pressure switch B (3rd clutch) signal With engine running:
  • Without 3rd clutch pressure: about 5.0 V
  • With 3rd clutch pressure: about 0 V
B10 BLK PG (POWER GROUND) Ground circuit for PCM Less than 0.2 V at all times
B11 BRN LINEAR B (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B) Drives A/T clutch pressure control solenoid valve B With vehicle in ON mode: current controlled
B19 BLU/YEL OP 2 SW (TRANSMISSION FLUID PRESSURE SWITCH A (2ND CLUTCH)) Detects transmission fluid pressure switch A (2nd clutch) signal With engine running:
  • Without 2nd clutch pressure: about 5.0 V
  • With 2nd clutch pressure: about 0 V
B21 BLU SH A (SHIFT SOLENOID VALVE A) Drives shift solenoid valve A With engine running in R, and in 1st, 4th, and 5th gears (in D or S): battery voltage

With engine running in P and N, and in 2nd and 3rd gears (in D or S): about 0 V

B23 RED/BLK ATP N (TRANSMISSION RANGE SWITCH N POSITION) Detects transmission range switch N position signal With vehicle in ON mode in N: about 0 V

With vehicle in ON mode in any position other than N: about 5.0 V

B24 BLU/BLK ATP P (TRANSMISSION RANGE SWITCH P POSITION) Detects transmission range switch P position signal With vehicle in ON mode in P: about 0 V

With vehicle in ON mode in any position other than P: more than 5.0 V

B25 WHT/GRN ATP R (TRANSMISSION RANGE SWITCH R POSITION) Detects transmission range switch R position signal With vehicle in ON mode in R: about 0 V

With vehicle in ON mode in any position other than R: battery voltage

B26 RED ATP S (TRANSMISSION RANGE SWITCH S POSITION) Detects transmission range switch S position signal With vehicle in ON mode in S: about 0 V

With vehicle in ON mode in any position other than S: battery voltage

B28 WHT/RED NM (INPUT SHAFT (MAINSHAFT) SPEED SENSOR) Detects input shaft (mainshaft) speed sensor signal With vehicle in ON mode: about 0 V or about 5.0 V

With engine running in N: pulses

B29 YEL/BLU VCC2 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
Terminal Number Wire Color Terminal Name Description Signal
B32 GRN/WHT SH B (SHIFT SOLENOID VALVE B) Drives shift solenoid valve B With engine running in P, R, and N, and in 1st and 2nd gears (in D or S): battery voltage

With engine running in 3rd, 4th, and 5th gears (in D or S): about 0 V

B35 YEL/GRN ATP D (TRANSMISSION RANGE SWITCH D POSITION) Detects transmission range switch D position signal With vehicle in ON mode in D: about 0 V

With vehicle in ON mode in any position other than D: battery voltage

B36 BLU/WHT LINEAR C (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C) Drives A/T clutch pressure control solenoid valve C With vehicle in ON mode: current controlled
B38 RED/YEL TATF (ATF TEMPERATURE SENSOR) Detects ATF temperature sensor signal With vehicle in ON mode: about 0.2-4.8 V depending on ATF temperature

With vehicle in OFF mode: about 0 V

B39 BLU/YEL ATP FWD (TRANSMISSION RANGE SWITCH FWD POSITION) Detects transmission range switch FWD position signal With vehicle in ON mode in D and S: about 0 V

With vehicle in ON mode in any position other than D and S: battery voltage

B40 YEL SH E (SHIFT SOLENOID VALVE E) Drives shift solenoid valve E With engine running in P and R, and in lockup condition (in D or S): battery voltage

With engine running in N, and in no lock-up condition (in D or S): about 0 V

B44 GRN/YEL SG2 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
B45 YEL ATP RVS (TRANSMISSION RANGE SWITCH RVS POSITION) Detects transmission range switch RVS position signal With vehicle in ON mode in R: about 0 V

With vehicle in ON mode in any position other than R: battery voltage

B48 BLK/WHT NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR) Detects output shaft (countershaft) speed sensor signal With vehicle in ON mode: about 0 V or about 5.0 V

With driving: pulses

PCM A/T Control System Inputs and Outputs at PCM connector C o (49P) 

GHH463060Courtesy of HONDA, U.S.A., INC.

PCM connector C o (49P) 

Terminal Number Wire Color Terminal Name Description Signal
C10 BLK/YEL IG1(F/PUMP) (IGNITION SIGNAL) Detects ignition signal With vehicle in ON mode: battery voltage
C15 BRN/YEL LG (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times
C20 BRN/YEL LG (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times
Terminal Number Wire Color Terminal Name Description Signal
C21 GRN SH C (SHIFT SOLENOID VALVE C) Drives shift solenoid valve C With engine running in N, and in 1st, 3rd, and 5th gears (in D or S): battery voltage

With engine running in P and R, and in 2nd and 4th gears (in D or S): about 0 V

C23 YEL/RED VCC1 (SENSOR VOLTAGE) Provides sensor reference voltage With vehicle in ON mode: about 5.0 V
C24 GRN/WHT SG1 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
C32 GRN/RED SH D (SHIFT SOLENOID VALVE D) Drives shift solenoid valve D With engine running in 2nd and 5th gears (in D or S): battery voltage

With engine running in P, R, N and in 1st, 3rd, and 4th gears (in D or S): about 0 V