PCM A/T Control System Inputs and Outputs
NOTE:
Standard battery voltage is about 12 V
PCM CONNECTOR A □ (49P)
TERMINAL REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Signal |
|---|---|---|---|---|
| A1 | WHT/RED | VB SOL (POWER SOURCE FOR SOLENOID VALVES) | Power source for solenoid valves | With ignition switch ON (II) Battery voltage With ignition switch LOCK (0) About 0 V |
| A3 | WHT | CAN H (CAN COMMUNICATION SIGNAL HIGH) | Sends and receives communication signal | With ignition switch ON (II) Pulses (About 2 5 V) |
| A4 | RED | CAN L (CAN COMMUNICATION SIGNAL LOW) | Sends and receives communication signal | With ignition switch ON (II) Pulses (About 2 5 V) |
| A7 | RED/BLK | MRLY (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1 Power source for DTC memory | With ignition switch ON (II) About 0 V With ignition switch LOCK (0) Battery voltage |
| A9 | YEL/BLK | IGP (POWER SOURCE) | Power source for PCM | With ignition switch ON (II) Battery voltage With ignition switch LOCK (0) About 0 V |
| A18 | YEL/BLK | APS A (ACCELERATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal | With ignition switch ON (II) and accelerator pedal fully pressed About 48 V With ignition switch ON (II) and accelerator pedal released About 1 0 V |
| A19 | BLK | APS B (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal | With ignition switch ON (II) and accelerator pedal fully pressed About 2 4V With ignition switch ON (II) and accelerator pedal released About 0 5V |
| A25 | BRN/WHT | VCC5 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II) About 5 0V With ignition switch LOCK (0) About 0 V |
| A26 | RED/BLK | VCC4 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II) About 5 0V With ignition switch LOCK (0) About 0 V |
| A28 | PNK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P, brake pedal pressed, and accelerator pedal released About 0 V |
| A32 | ORN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal | With the service check signal shorted using HDS About 0 V With the service check signal opened About 5 0V |
| A35 | GRN | SG5 (SENSOR GROUND) | Sensor ground | Less than 0 5 V at all times |
| A36 | BLU/RED | SG4 (SENSOR GROUND) | Sensor ground | Less than 0 5 V at all times |
| A42 | 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 |
| A47 | LT BLU | SUPP (PADDLE SHIFTER + (UPSHIFT SWITCH)) | Detects paddle shifter + (upshift switch) signal | With paddle shifter + (upshift switch) pressed About 0 V With paddle shifter + (upshift switch) released Battery voltage |
| A48 | PUR | SDNP (PADDLE SHIFTER - (DOWNSHIFT SWITCH)) | Detects paddle shifter - (downshift switch) signal | With paddle shifter - (downshift switch) pressed About 0 V With paddle shifter - (downshift switch) released Battery voltage |
PCM CONNECTOR B Δ (49P)
TERMINAL REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Signal |
|---|---|---|---|---|
| B1 | BLK | PG2 (POWER GROUND) | Ground circuit for PCM | Less than 0 5 V at all times |
| B8 | BLU/RED | OP2SW (2ND CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 2nd clutch transmission fluid pressure switch signal | With ignition switch ON (II)
|
| B9 | BLU/WHT | OP3SW (3RD CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 3rd clutch transmission fluid pressure switch signal | With ignition switch ON (II)
|
| B10 | BLK | PG1 (POWER GROUND) | Ground circuit for PCM | Less than 0.5 V at all times |
| B11 | BLU/BLK | SH A (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in R, D and S (in 1st, 4th, and 5th gears) Battery voltage With engine running in P, N, D and S (in 2nd and 3rd gears) About 0 V |
| B12 | GRN/WHT | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in P, R, N, D and S (in 1st and 2nd gears) Battery voltage With engine running in D and S (3rd, 4th, and 5th gears) About 0 V |
| B13 | RED/BLK | ATP N (TRANSMISSION RANGE SWITCH N) | Detects transmission range switch N position signal | In N About 0 V In any position other than N Around battery voltage |
| B14 | BLU/BLK | ATP P (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P About 0 V In any position other than P Around battery voltage |
| B15 | WHT | ATP R (TRANSMISSION RANGE SWITCH R) | Detects transmission range switch R position signal | In R About 0 V In any position other than R Around battery voltage |
| B16 | RED | ATP S (TRANSMISSION RANGE SWITCH S) | Detects transmission range switch S position signal | In S About 0 V In any position other than S Battery voltage |
| B18 | WHT/RED | NM (INPUT SHAFT (MAINSHAFT) SPEED SENSOR) | Detects input shaft (mainshaft) speed sensor signal | With ignition switch ON (II) About 0 V With engine running in N About 2 5 V (pulses) |
| B19 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II) About 5 0V With ignition switch LOCK (0) About 0 V |
| B21 | GRN | SHC (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | With engine running in N, D and S (in 1st, 3rd, and 5th gears) Battery voltage With engine running in P, R, D and S (in 2nd and 4th gears) About 0 V |
| B22 | YEL/GRN | ATP D (TRANSMISSION RANGE SWITCH D) | Detects transmission range switch D position signal | In D About 0V In any position other than D Battery voltage |
| B23 | RED/WHT | ATP RVS (TRANSMISSION RANGE SWITCH RVS) | Detects transmission range switch R position signal | In R About 0 V In any position other than R Battery voltage |
| B25 | YEL | SHE (SHIFT SOLENOID VALVE E) | Drives shift solenoid valve E | With engine running in P and R Battery voltage With engine running in N, D and S (in 1st gear) About 0V |
| B26 | BLU/YEL | LS C (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C) | Drives A/T clutch pressure control solenoid valve C | With ignition switch ON (II) Current controlled |
| B27 | GRN/RED | SHD (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | With engine running in D and S (in 2nd and 5th gears) Battery voltage With engine running in P, R, N, D and S (in 1st, 3rd, and 4th gears) About 0 V |
| B28 | RED/YEL | ATFT (ATF TEMPERATURE SENSOR) | Detects ATF temperature sensor signal | With ignition switch ON (II) About 0 2-4 8 V depending on ATF temperature With ignition switch LOCK (0) About 0 V |
| B29 | BLU/YEL | ATP FWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch D and S signal | In D and S About 0 V In any position other than D and S Battery voltage |
| B34 | GRN/BLK | SG2 (SENSOR GROUND) | Sensor ground | Less than 0 5 V at all times |
| B38 | BLK/WHT | NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR) | Detects output shaft (countershaft) speed sensor signal | With ignition switch ON (II) About 0 V or about 50V With driving About 2 5V (pulses) |
| B40 | BRN | LS B (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B) | Drives A/T clutch pressure control solenoid valve B | With ignition switch ON (II) Current controlled |
| B48 | RED/BLK | LS A (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A) | Drives A/T clutch pressure control solenoid valve A | With ignition switch ON (II) Current controlled |
PCM CONNECTOR C ◦ (49P)
TERMINAL REFERENCE CHART
| Terminal Number | Wire Color | Terminal Name | Description | Signal |
|---|---|---|---|---|
| C10 | BLK/RED | IG1 (IGNITION SIGNAL) | Detects ignition switch signal | With ignition switch ON (II) Battery voltage With ignition switch LOCK (0) About 0 V |
| C13 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II) About 5 0V With ignition switch LOCK (0) About 0 V |
| C14 | GRN/WHT | SG1 (SENSOR GROUND) | Sensor ground | Less than 0 5 V at all times |
| C44 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for PCM | Less than 0 5 V at all times |
| C48 | BRN/YEL | LG2 (LOGIC GROUND) | Ground circuit for PCM | Less than 0 5 V at all times |