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Home >> Acura >> 2014 >> TL Base >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission >> System Description >> Electronic Control System >> PCM A/T Control System Inputs and Outputs at PCM connector A (□) (49P)
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PCM A/T Control System Inputs and Outputs at PCM connector A (□) (49P)

Fig 1: Identifying PCM Connector A (□) (49P) Connector End View
G08066315Courtesy of AMERICAN HONDA MOTOR CO., INC.
Terminal number Wire color Terminal name Description Signal
A1 PUR VBSOL2 (POWER SOURCE FOR SOLENOID VALVES) Power source for solenoid valves With ignition switch ON (II)/vehicle in ON mode: battery voltage
A2 PNK SLS (SHIFT LOCK SOLENOID) Drives shift lock solenoid With ignition switch ON (II)/vehicle in ON mode, in P, brake pedal pressed, and accelerator pedal released: about 0 V
A6 RED MRLY (PGM-FI MAIN RELAY 1) Drives PGM-FI main relay 1 With ignition switch ON (II)/vehicle in ON mode: about 0 V With ignition switch LOCK (0)/vehicle in OFF mode: battery voltage
A8 LT GRN BKSW (BRAKE PEDAL POSITION SWITCH) Detects brake pedal position switch signal With brake pedal released: about 0 V With brake pedal pressed: battery voltage
A16 RED ATPP (TRANSMISSION RANGE SWITCH P POSITION) Detects transmission range switch P position signal In P: about 0 V In any position other than P: more than 5.0 V
A32 ORN SCS (SERVICE CHECK SIGNAL) Detects service check signal With service check signal shorted with the HDS: about 0 V With service check signal opened: about 5.0 V
A36 BRN SUPP (PADDLE SHIFTER + (UPSHIFT SWITCH)) Detects paddle shifter + (upshift switch) signal With ignition switch ON (II)/vehicle in ON mode and paddle shifter + (upshift switch) pressed: about 0 V With ignition switch ON (II)/vehicle in ON mode and paddle shifter + (upshift switch) released: battery voltage
A37 PUR SDNP (PADDLE SHIFTER - (DOWNSHIFT SWITCH)) Detects paddle shifter - (downshift switch) signal With ignition switch ON (II)/vehicle in ON mode and paddle shifter - (downshift switch) pressed: about 0 V With ignition switch ON (II)/vehicle in ON mode and paddle shifter - (downshift switch) released: battery voltage
A48 WHT F-CAN H (F-CAN COMMUNICATION SIGNAL HIGH) Sends and receives communication signal With ignition switch ON (II)/vehicle in ON mode: pulses
A49 BLK F-CAN L (F-CAN COMMUNICATION SIGNAL LOW) Sends and receives communication signal With ignition switch ON (II)/vehicle in ON mode: pulses