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PCM Gear Unit Control System PCM Connector For Inputs And Outputs (2014 2015)

PCM Gear Unit Control System Inputs and Outputs at PCM Connector A ' (51P) 

GHH254936Courtesy of HONDA, U.S.A., INC.

PCM connector A ' (51P) 

Terminal Number Wire Color Terminal Name Description Signal
3 WHT F-CAN A_H (CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal With vehicle in ON mode: pulses
4 RED F-CAN A_L (CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal With vehicle in ON mode: pulses
5 LT BLU F-CAN B_H (CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal With vehicle in ON mode: pulses
6 LT GRN F-CAN B_L (CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal With vehicle in ON mode: pulses
7 ORN 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 (LOCK) mode: battery voltage

9 BRN FI MAIN RLY OUT (POWER SOURCE) Power source for PCM With vehicle in ON mode: battery voltage
13 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

18 ORN ATP-S (TRANSMISSION RANGE SWITCH B POSITION) Detects transmission range switch B position signal With vehicle in ON mode:
  • In B: about 0 V
  • In any position other than B: battery voltage
21 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
44 PNK SCS (SERVICE CHECK SIGNAL) Detects service check signal With service check signal shorted: about 0 V

With service check signal opened: about 5.0 V

PCM Gear Unit Control System Inputs and Outputs at PCM Connector B ' (51P) 

GHH254937Courtesy of HONDA, U.S.A., INC.

PCM connector B ' (51P) 

Terminal Number Wire Color Terminal Name Description Signal
1 BLK GND 1 (POWER GROUND) Ground for PCM Less than 0.2 V at all times
3 WHT IG1(F/P) (IGNITION SIGNAL) Detects ignition signal With vehicle in ON mode: battery voltage
15 LT GRN SHB (SOLENOID VALVE B) Drives solenoid valve B With engine running:
  • Solenoid valve B OFF: about 0 V
  • Solenoid valve B ON: battery voltage
16 LT BLU SHA (SOLENOID VALVE A) Drives solenoid valve A With engine running:
  • Solenoid valve A OFF: about 0 V
  • Solenoid valve A ON: battery voltage
21 LT GRN ATP P (TRANSMISSION RANGE SWITCH P POSITION) Detects transmission range switch P position signal With vehicle in ON mode:
  • In P: about 0 V
  • In any position other than P: more than 5.0 V
22 BRN ATP R (TRANSMISSION RANGE SWITCH R POSITION) Detects transmission range switch R position signal With vehicle in ON mode:
  • In R: about 0 V
  • In any position other than R: battery voltage
26 PNK OPSWA (TRANSMISSION FLUID PRESSURE SWITCH A) Detects transmission fluid pressure switch A signal With engine running:
  • With over-drive clutch pressure: about 0 V
  • Without over-drive clutch pressure: about 5.0 V
34 YEL OPSW B (TRANSMISSION FLUID PRESSURE SWITCH B) Detects transmission fluid pressure switch B signal With engine running:
  • With clutch control pressure: about 0 V
  • Without clutch control pressure: about 5.0 V
46 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
  • In any position other than D: battery voltage
47 YEL ATP FWD2 (TRANSMISSION RANGE SWITCH FWD POSITION) Detects transmission range switch B and D position signals With vehicle in ON mode:
  • In B and D: about 0 V
  • In any position other than B and D: about 5.0 V
48 PUR ATP RVS (TRANSMISSION RANGE SWITCH RVS POSITION) Detects transmission range switch R position signal With vehicle in ON mode:
  • In R: about 0 V
  • In any position other than R: about 5.0 V
49 BLU ATP N (TRANSMISSION RANGE SWITCH N POSITION) Detects transmission range switch N position signal With vehicle in ON mode:
  • In N: about 0 V
  • In any position other than N: about 5.0 V
50 GRY ATP RVS2 (TRANSMISSION RANGE SWITCH RVS POSITION) Detects transmission range switch R position signal With vehicle in ON mode:
  • In R: about 0 V
  • In any position other than R: about 5.0 V
51 RED ATP FWD (TRANSMISSION RANGE SWITCH FWD POSITION) Detects transmission range switch B and D position signals With vehicle in ON mode:
  • In B and D: about 0 V
  • In any position other than B and D: about 5.0 V

PCM Gear Unit Control System Inputs and Outputs at PCM Connector C ' (51P) 

GHH254938Courtesy of HONDA, U.S.A., INC.

PCM connector C ' (51P) 

Terminal Number Wire Color Terminal Name Description Signal
20 BRN LG (LOGIC GROUND) Ground for PCM Less than 0.2 V at all times
32 RED IMA CANH 1 (IMA-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal With vehicle in ON mode: pulses
33 GRN IMA CANL 1 (IMA-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal With vehicle in ON mode: pulses