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PCM Inputs and Outputs at Connector C (22P)

Fig 1: Identifying Connector C (22P) Terminals
G04535992Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE: Standard battery voltage is 12 V.
CONNECTOR C (22P) TERMINALS REFERENCE

Terminal number Wire color Terminal name Description Signal
1 BLK/RED HLCLS- (CVT PULLEY PRESSURE CONTROL VALVE-SIDE) Ground for CVT pulley pressure control valve  
6 GRN/RED INHSOL (INHIBITOR SOLENOID CONTROL) Inhibitor solenoid control With inhibitor solenoid ON: battery voltage
With inhibitor solenoid OFF: about 0 V
7 RED/BLU NDR (INPUT SHAFT (DRIVE PULLEY) SPEED SENSOR) Detects input shaft (drive pulley) speed sensor signal In other than Park or neutral: pulses
8 BLU/RED SCLS-(CVT START CLUTCH PRESSURE CONTROL VALVE-SIDE) Ground for CVT start clutch pressure control valve  
9 RED ATPS (TRANSMISSION RANGE SWITCH S POSITION) Detects transmission range switch S position signal In S position: about 0 V
In any other position: about 5 V or battery voltage
10 WHT ATPR (TRANSMISSION RANGE SWITCH R POSITION) Detects transmission range switch R position signal In R position: about 0 V
In any other position: about 5 V or battery voltage
11 BLU ATPL (TRANSMISSION RANGE SWITCH L POSITION) Detects transmission range switch L position signal In L position: about 0 V
In any other position: about 5 V or battery voltage
12 BLU/WHT ATPNP (TRANSMISSION RANGE SWITCH NEUTRAL/PARK POSITION) Detects transmission range switch Neutral/Park position signal In Park or neutral: about 0 V
In any other position: about 5 V or battery voltage
15 WHT/GRN NDN (OUTPUT SHAFT (DRIVEN PULLY) SPEED SENSOR) Detects output shaft (driven pully) speed sensor signal In other than Park or neutral: pulses
16 GRN/YEL SHLS- (CVT SPEED CHANGE CONTROL VALVE-SIDE) Ground for CVT speed change control valve With ignition switch ON (II): duty controlled negative electrode.
18 BLU/YEL ATPFWD (TRANSMISSION RANGE SWITCH D/S POSITION) Detects transmission range switch D/S position signal In D or S position: about 0 V
In any other position: about 5 V or battery voltage
20 YEL ATPFWD (TRANSMISSION RANGE SWITCH D POSITION) Detects transmission range switch D position signal In D position: about 0 V
In any other position: about 5 V or battery voltage
22 WHT/RED VEL1 (CVT SPEED SENSOR 1) Detects CVT speed sensor 1 Depending on vehicle speed: pulses
When vehicle is stopped: about 0 V or 5 V