PCM A/T Control System Inputs and Outputs
NOTE:
Standard battery voltage is about 12 V.
PCM CONNECTOR A (49P) □
TERMINAL DESCRIPTION TABLE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| A1 | WHT | VB SOL2 (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 |
| 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 (Fl MAIN)) | Drives PGM-FI main relay 1 (Fl MAIN) power source for the DTC memory | With ignition switch ON (II): About 0 V With ignition switch OFF: Battery voltage |
| A8 | LT BLU | BK SW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: About 0 V With brake pedal pressed: Battery voltage |
| A16 | PNK | ATP P (TRANSMISSION RANGE SWITCH P POSITION) | Detects transmission range switch P position signal | In P: About 0 V In any position other than P: Battery voltage |
| A17 | BLU | D3 SW (D3 SWITCH) | Detects D3 switch signal | D3 switch released: Battery voltage D3 switch pressed: About 0 V |
| A18 | PUR | APSA (ACCELERATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal | With ignition switch ON (II) and accelerator pedal pressed: About 4.7 V With ignition switch ON (II) and accelerator pedal released: About 1.0 V |
| A19 | GRY | APSB (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal | With ignition switch ON (II) and accelerator pedal pressed: About 2.3 V With ignition switch ON (II) and accelerator pedal released: About 0.5 V |
| A32 | BRN | 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 V |
| A48 | WHT | CAN H (CAN COMMUNICATION SIGNAL HIGH) | Sends and receives communication signal | With ignition switch ON (II): Pulses |
| A49 | RED | CAN L (CAN COMMUNICATION SIGNAL LOW) | Sends and receive communication signal | With ignition switch ON (II): Pulses |
PCM CONNECTOR B (49P) Δ
TERMINAL DESCRIPTION TABLE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| B1 | BLK | PG2 (POWER GROUND) | Ground circuit for PCM circuit | Less than 1.0 V at all times |
| B2 | BLK/YEL | 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 |
| B3 | YEL/BLK | IGP (POWER SOURCE FOR PCM) | Power source for PCM circuit | With ignition switch ON (II): Battery voltage With ignition switch LOCK (0): About 0 V |
| B10 | BRN/WHT | 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 |
| B21 | GRN/RED | 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 |
| B36 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): About 5 V With ignition switch LOCK (0): About 0 V |
| B37 | RED | NM (INPUT SHAFT (MAINSHAFT) SPEED SENSOR) | Detects input shaft (mainshaft) speed sensor signal | With ignition switch ON (II): About 0 V or about 5 V With engine running in N: About 2.5 V |
| B38 | 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 V With driving: Pulses |
| B40 | BLK | PG1 (POWER GROUND) | Ground circuit for PCM circuit | Less than 1.0 V at all times |
| B41 | BRN/YEL | LG2 (LOGIC GROUND) | Ground circuit for PCM | Less than 1.0 V at all times |
| B42 | BLK/YEL | IG1 (IGNITION SIGNAL) | Detects ignition signal | With ignition switch ON (II): Battery voltage With ignition switch LOCK (0): About 0 V |
NOTE:
Standard battery voltage is about 12 V.
PCM CONNECTOR C (49P) ◦
TERMINAL DESCRIPTION TABLE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| C9 | GRN/RED | SH D (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | With engine running in N and D during no lock-up condition: About 0 V With engine running in P, R, and D during lock-up condition: Battery voltage |
| C12 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): About 5.0 V With ignition switch LOCK (0): About 0 V |
| C15 | GRN/RED | SG6 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| C16 | GRN/YEL | SG2 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| C17 | YEL/GRN | ATPD (TRANSMISSION RANGE SWITCH D POSITION) | Detects transmission range switch D position signal input | In D: About 0 V In any position other than D: Battery voltage |
| C18 | BLU/YEL | ATP FWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch D, D3, and 2-1 signal input | In D, 2 and 1: About 0 V In any position other than D, 2 and 1: Battery voltage |
| C19 | RED/WHT | ATP RVS (TRANSMISSION RANGE SWITCH RVS) | Detects transmission range switch P, R, and N position signal | In P, R, and N: About 0 V In any position other than P, R, and N: Battery voltage |
| C20 | BLU/YEL | SH A (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in R, D (in 2nd and 3rd gears), and 2: Battery voltage With engine running in P, N, D (in 1st, 4th, and 5th gears), and 1: About 0 V |
| C21 | RED | 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 |
| C25 | WHT | ATPR (TRANSMISSION RANGE SWITCH R POSITION) | Detects transmission range switch R position signal | In R: About 0 V In any position other than R: Battery voltage |
| C26 | RED/BLK | ATPN (TRANSMISSION RANGE SWITCH N POSITION) | Detects transmission range switch N position signal | In N: About 0 V In any position other than N: Battery voltage |
| C27 | BLU/BLK | OP2SW (2ND CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 2nd clutch transmission fluid pressure switch signal | With ignition switch ON (II):
|
| C28 | GRN/WHT | SH B (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in P, R, N, D (in 1st, 2nd and 5th gears), 2, and 1: Battery voltage With engine running in D (in 3rd and 4th gears): About 0V |
| C33 | BLU/YEL | ATFT (ATF TEMPERATURE SENSOR) | Detects ATF temperature sensor signal | With ignition switch ON (II): About 0.2-4.0 V depending on ATF temperature With ignition switch LOCK (0): About 0 V |
| C35 | BRN | ATP1 (TRANSMISSION RANGE SWITCH 1 POSITION) | Detects transmission range switch 1 position signal input | In 1: About 0 V In any position other than 1: Battery voltage |
| C37 | BLU/YEL | OP4SW (4TH CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 4th clutch transmission fluid pressure switch signal | With ignition switch ON (II):
|
| C38 | BLU/WHT | OP3SW (3RD CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 3rd clutch transmission fluid pressure switch signal | With ignition switch ON (II):
|
| C39 | GRN | SH C (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | With engine running in D (in 1st, 3rd, and 5th gears), and 1: Battery voltage With engine running in P, R, N, D (in 2nd and 4th gears), and 2: About 0 V |
| C41 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for PCM | Less than 1.0 V at all times |
| C46 | BLU | ATP 2 (TRANSMISSION RANGE SWITCH 2) | Detects transmission range switch 2 signal input | In 2: About 0 V In any position other position: Battery voltage |