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PCM Inputs and Outputs at PCM Connector C (O) (44P): Notes

Fig 1: PCM Connector C (O) (44P) Terminals Layout
G08059230Courtesy of AMERICAN HONDA MOTOR CO., INC.
Terminal number Wire color Terminal name Description Signal
36 BLK/YEL IG1 (IGNITION SIGNAL) Detects ignition signal With ignition switch ON (II): battery voltage
38 BLU/YEL OP4SW (4TH CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) Detects 4th clutch transmission fluid pressure switch signal With engine running:
  • Without 4th clutch pressure: about 5.0 V
  • With 4th clutch pressure: about 0 V
39 GRN SG3 (SENSOR GROUND) Sensor ground Less than 0.2 V at all times
40 BRN/YEL LG1 (LOGIC GROUND) Ground circuit for PCM circuit Less than 0.2 V at all times
41 BLU/WHT CMPA (CAMSHAFT POSITION (CMP) SENSOR A) Detects CMP sensor A signal With engine running: pulses
42 RED/BLU KS (KNOCK SENSOR) Detects knock sensor signal With engine knocking: pulses
43 BLK/BLU NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR) Detects output shaft (countershaft) speed sensor signal With ignition switch ON (II): about 0 V or about 5.0 V With driving: pulses
44 BRN/YEL LG2 (LOGIC GROUND) Ground circuit for PCM circuit Less than 0.2 V at all times