PCM A/T Control System Inputs and Output
NOTE:
Standard battery voltage is about 12 V.
PCM CONNECTOR A (31P)
TERMINAL DESCRIPTION
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| A2 | YEL/BLK | IGP2 (POWER SOURCE) | Power source for PCM circuit | With ignition switch ON (II): battery voltage With ignition switch LOCK (0): about 0 V |
| A3 | YEL/BLK | IGP1 (POWER SOURCE) | Power source for PCM circuit | With ignition switch ON (II): battery voltage With ignition switch LOCK (0): about 0 V |
| A4 | BLK | PG2 (POWER GROUND) | Ground circuit for PCM | Less than 1.0 Vat all times |
| A5 | BLK | PG1 (POWER GROUND) | Ground circuit for PCM | Less than 1.0 V at all times |
| A8 | BRN/YEL | LG2 (LOGIC GROUND) | Ground circuit for PCM | Less than 1.0 V at all times |
| A9 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for PCM | Less than 1.0 V at all times |
| A18 | BLU | NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR) | Detects output shaft (countershaft) speed sensor signal | With ignition switch ON (II): about 0 V or about 5.0 V With vehicle moving: about 1.5-3.5 V (pulses) |
| A20 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V With ignition switch LOCK (0): about 0 V |
| A21 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V With ignition switch LOCK (0): about 0 V |
| A23 | GRN/BLK | SG2 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| A24 | GRN/WHT | SG1 (SENSOR GROUND) | Sensor ground | Less than 1.0 Vat all times |
| A25 | RED/YEL | APSB (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal | With ignition switch ON (II) and accelerator pedal fully pressed: about 2.3 V With ignition switch ON (II) and accelerator pedal released: about 0.2 V |
| A26 | RED/BLU | APSA (ACCELERATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal | With ignition switch ON (II) and accelerator pedal fully pressed: about 4.5 V With ignition switch ON (II) and accelerator pedal released: about 0.5 V |
PCM CONNECTOR C (22P)
TERMINAL DESCRIPTION
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| C1 | BLK/BLU | LSAP (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A) | Drives A/T clutch pressure control solenoid valve A | With ignition switch ON (II): current controlled |
| C2 | GRN | SHC (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | With engine running in N, D (in 1st, 3rd, and 5th gears), and 1: battery voltage With engine running in P, R, D (in 2nd and 4th gears), and 2: about 0 V |
| C3 | 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, 2, and 1: about 0 V |
| C4 | GRN/WHT | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in P, R, N, D (in 1st and 2nd gears), 2, and 1: battery voltage With engine running in D (in 3rd, 4th and 5th gears): about 0 V |
| C5 | GRN/RED | SHD (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | With engine running in D (in 2nd and 5th gears), and 2: battery voltage With engine running in P, R, N, D (in 1st, 3rd, and 4th gears), and 1: about 0 V |
| C6 | BLU/BLK | SHA (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in R, D (in 1st, 4th, and 5th gears), and 1: battery voltage With engine running in P, N, D (in 2nd and 3rd gears), and 2: about 0 V |
| C7 | BLU/YEL | LSCP (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C) | Drives A/T clutch pressure control solenoid valve C | With ignition switch ON (II): current controlled |
| C9 | BRN | ATP1 (TRANSMISSION RANGE SWITCH 1) | Detects transmission range switch 1 position signal | In 1: about 0 V In any position other than 1: battery voltage |
| C10 | BLU/WHT | OP3SW (3RD CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 3rd clutch transmission fluid pressure switch signal | With ignition switch ON (II): |
| C11 | BLU | ATP2 (TRANSMISSION RANGE SWITCH 2) | Detects transmission range switch 2 position signal | In 2: about 0V In any position other than 2: battery voltage |
| C12 | RED/WHT | ATPRVS (TRANSMISSION RANGE SWITCH RVS) | Detects transmission range switch RVS signal | In R: about 0V In any position other than R: battery voltage |
| C13 | BLU/RED | OP2SW (2ND CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 2nd clutch transmission fluid pressure switch signal | With ignition switch ON (II): |
| C14 | RED/YEL | TATF (ATF TEMPERATURE SENSOR) | Detects ATF temperature sensor signal | With ignition switch ON (II): about 0.2-4.8 V (about 1.8 V at operating temperature) (depending on ATF temperature) |
| C15 | BRN/WHT | LSBP (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B) | Drives A/T clutch pressure control solenoid valve B | With ignition switch ON (II): current controlled |
| C17 | YEL/GRN | ATPD (TRANSMISSION RANGE SWITCH D) | Detects transmission range switch D signal | In D: about 0 V In any position other than D: battery voltage |
| C18 | YEL/RED | ATP FWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch FWD signal | In D, 2, and 1: about 0 V In any position other than D, 2, and 1: battery voltage |
| C19 | WHT/RED | NM (INPUT SHAFT (MAINSHAFT) SPEED SENSOR) | Detects input shaft (mainshaft) speed sensor signal | With ignition switch ON (II): about 0 V or about 5.0 V With engine idling in N: about 1.5-3.5 V (pulses) |
| C20 | RED/BLK | ATPN (TRANSMISSION RANGE SWITCH N) | Detects transmission range switch N signal | In N: about 0 V In any position other than N: battery voltage |
PCM CONNECTOR D (17P)
TERMINAL DESCRIPTION
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| D3 | GRN | D3SW (D3 SWITCH) | Detects D3 switch signal | D3 switch ON: about 0 V D3 switch OFF: battery Voltage |
| D5 | WHT | ATPR (TRANSMISSION RANGE SWITCH R) | Detects transmission range switch R signal | In R: about 0 V In any position other than R: battery voltage |
| D6 | BLK/BLU | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P signal | In P: about 0 V In any position other than P: battery voltage |
PCM CONNECTOR E (31P)
TERMINAL DESCRIPTION
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| E2 | WHT/BLU | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P, brake pedal pressed, and accelerator closed: about 0 V |
| E7 | RED/YEL | MRLY (PGM-FI MAIN RELAY) | Drives PGM-FI main relay 1 (FI MAIN) Power source for DTC memory | With ignition switch ON (II): about 0 V With ignition switch LOCK (0): battery voltage |
| E9 | BLK/YEL | IG1 (IGNITION SWITCH) | Detects ignition switch signal | With ignition switch ON (II): battery voltage |
| E11 | WHT | CANH (CAN COMMUNICATION SIGNAL HIGH) | Sends and receives communication signal | With ignition switch ON (II): about 2.5 V (pulses) |
| E22 | WHT/BLK | BKSW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: about 0 V With brake pedal pressed: battery voltage |
| E24 | RED | CANL (CAN COMMUNICATION SIGNAL LOW) | Sends and receives communication signal | With ignition switch ON (II): about 2.5 V (pulses) |
| E29 | BRN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal | With the service check signal shorted using HDS: about 0 V With the service check signal open: about 5.0 V |