PCM A/T Control System Inputs and Outputs at PCM connector A (□) (49P)
WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
| Terminal number | Wire color | Terminal name | Description | Signal | ||||
|---|---|---|---|---|---|---|---|---|
| A1 | WHT | VBSOL2 (POWER SOURCE FOR SOLENOID VALVES) | Power source for solenoid valves | With ignition switch ON (II): battery voltage | ||||
| A2 | PNK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P, brake pedal pressed, and accelerator released: about 0 V | ||||
| A6 | GRN | MRLY (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1 | With ignition switch ON (II): about 0 V With ignition switch LOCK (0): battery voltage |
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| 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 |
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| A16(1) | GRN | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: battery voltage |
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| A16(2) | GRN | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: more than 5.0 V |
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| A32 | 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 |
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| A36 | GRN | SUPP (PADDLE SHIFTER + (UPSHIFT SWITCH)) | Detects paddle shifter + (upshift switch) signal | With ignition switch ON (II) and paddle shifter + (upshift switch) pressed: about 0 V With paddle shifter + (upshift switch) released: battery voltage |
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| A37 | BLU | SDNP (PADDLE SHIFTER - (DOWNSHIFT SWITCH)) | Detects paddle shifter - (downshift switch) signal | With ignition switch ON (II) and paddle shifter - (downshift switch) pressed: about 0 V With paddle shifter - (downshift switch) released: battery voltage |
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| A48 | WHT | F-CAN A H (F-CAN COMMUNICATION SIGNAL A HIGH) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||||
| A49 | RED | F-CAN A L (F-CAN COMMUNICATION SIGNAL A LOW) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||||
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NOTE:
Check the label on the PCM to see if it was made by Keihin or Continental. Refer to the GENERAL TROUBLESHOOTING INFORMATION for more details.
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