PCM A/T Control System Inputs and Outputs
PCM CONNECTOR A (49P) □
PCM TERMINALS DESCRIPTION AND SIGNALS REFERENCE (PCM CONNECTOR A (49P))
| 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 |
| A8 | LTGRN | 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 | GRN | 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 |
| 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 5.0 V |
| A36 | BLU | S-UP (TRANSMISSION GEAR SELECTION SWITCH UPSHIFT SWITCH) | Detects transmission gear selection switch upshift switch signal | In M:
|
| A37 | GRN | S-DN (TRANSMISSION GEAR SELECTION SWITCH DOWNSHIFT SWITCH) | Detects transmission gear selection switch downshift switch signal | In M:
|
| A47 | PUR | S-MODE (SEQUENTIAL SPORTSHIFT MODE) | Detects transmission gear selection switch S mode switch signal | In M: About 0 V In any position other than M: Battery voltage |
| A48 | WHT | CAN H (CAN COMMUNICATION SIGNAL HIGH) | Sends communication signal | With ignition switch ON (II): Pulses |
| A49 | RED | CAN L (CAN COMMUNICATION SIGNAL LOW) | Sends communication signal | With ignition switch ON (II): Pulses |
PCM CONNECTOR B (49P) (Triangle Symbol)
PCM TERMINALS DESCRIPTION AND SIGNALS REFERENCE (PCM CONNECTOR B (49P))
| 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 | LSB(A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B) | Drives A/T clutch pressure control solenoid valve B | With ignition switch ON (II): Pulses |
| 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): Pulses |
| B34 | GRN/WHT | SG1 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| B35 | GRN/RED | MAP (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) | Detects MAP sensor signal | With ignition switch ON (II): Battery voltage At idle: About 1.0 V depending on engine speed |
| B36 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): About 5.0 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 5.0 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 5.0 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 |
PCM CONNECTOR C (49P) ◦
PCM TERMINALS DESCRIPTION AND SIGNALS REFERENCE (PCM CONNECTOR C (49P))
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| C9 | GRN/RED | SHD (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | In N, D and D3 during no lock-up condition: About 0 V In P and R, and D and D3 during lock-up condition: Battery voltage |
| C10 | BLU/RED | EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) | Drives EGR valve | With EGR operating: Duty controlled With EGR not operating: About 0 V |
| 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 |
| C16 | GRN/YEL | SG2 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| C17 | YEL/GRN | ATP D (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 D AND S) | Detects transmission range switch D and D3 signal input | In D and D3: About 0 V In any position other than D and D3: Battery voltage |
| C19 | RED/WHT | ATP RVS (TRANSMISSION RANGE SWITCH R POSITION) | Detects transmission range switch P, R, and N position signals | 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 | In R, and 2nd and 3rd in D and D3: Battery voltage In P and N, 1st gear in D and D3, and 4th gear and 5th gear in D: 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): Pulses |
| C25 | WHT | ATP R (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 |
PCM CONNECTOR C (49P) ◦
PCM TERMINALS DESCRIPTION AND SIGNALS REFERENCE (PCM CONNECTOR C (49P))
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| C26 | RED/BLK | ATP N (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 | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | In P, R, and N, and 1st and 2nd gear in D and D3, and 5th gear in D: Battery voltage In 3rd gear in D and D3, and 4th gear in D: About 0 V |
| 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 |
| C34 | WHT/BLK | EGRP (EXHAUST GAS RECIRCULATION (EGR) VALVE POSITION SENSOR) | Detects EGR valve position sensor signal | With engine running: 1.2-3.0 V depending on EGR valve lift |
| 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 | SHC (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | In 1st and 3rd gear in D and D3, and 5th gear in D: Battery voltage In P, R, and N, 2nd gear in D and D3, and 4th gear in D: About 0 V |
| C41 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for PCM circuit | Less than 1.0 V at all times |
| C46 | RED | ATP D3 (TRANSMISSION RANGE SWITCH D3) | Detects transmission range switch D3 signal input | In D3: About 0 V In any position other than D3: Battery voltage |