PCM A/T Control System Inputs and Outputs at PCM Connector C ◦ (49P)
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PCM CONNECTOR C ◦ (49P) TERMINALS REFERENCE CHART
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| C9 | GRN/RED | SHD (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 reference 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 0.2 V at all times |
| C16 | GRN/YEL | SG2 (SENSOR GROUND) | Sensor ground | Less than 0.2 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 | ATPFWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch FWD position signal input | In D and 2: about 0 V In any position other than D and 2: battery voltage |
| C19 | RED/WHT | ATPRVS (TRANSMISSION RANGE SWITCH RVS) | Detects transmission range switch RVS position signal | In P, R, and N: about 0 V In any position other than P, R, and N: battery voltage |
| C20 | BLU/YEL | SHA (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in R, 2, and D (in 2nd and 3rd gears): battery voltage With engine running in P, N, and D (in 1st, 4th, and 5th gears): about 0 V |
| C21 | RED | LSA (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 input | 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 input | In N: about 0 V In any position other than N# battery voltage |
| C27 | BLU/BLK | OP2SW (TRANSMISSION FLUID PRESSURE SWITCH A (2ND CLUTCH)) | Detects transmission fluid pressure switch A (2nd clutch) signal input | With ignition switch ON (II):
|
| C28 | GRN/WHT | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in P, R, N, 2, 1, and D (in 1st, 2nd, and 5th gears): battery voltage With engine running in D (in 3rd and 4th gears): about 0 V |
| C33 | BLU/YEL | TATF (ATF TEMPERATURE SENSOR) | Detects ATF temperature sensor signal | With ignition switch ON (II): about 0.2-4.0 V (about 1.8 V at operating temperature depending on ATF temperature) With ignition switch LOCK (0): about 0 V |
| C35 | BRN | ATP1 (TRANSMISSION RANGE SWITCH 2-1 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 input | With ignition switch ON (II):
|
| C38 | BLU/WHT | OP3SW (TRANSMISSION FLUID PRESSURE SWITCH B (3RD CLUTCH)) | Detects transmission fluid pressure switch B (3rd clutch) signal | With ignition switch ON (II):
|
| C39 | GRN | SHC (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | With engine running in 1 and D (in 1st, 3rd, and 5th gears): battery voltage With engine running in P, R, N, 2, and D (in 2nd and 4th gears): about 0 V |
| C41 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for PCM | Less than 0.2 V at all times |
| C46 | RED | ATP2 (TRANSMISSION RANGE SWITCH 2 POSITION) | Detects transmission range switch 2 position signal input | In 2: about 0 V In any position other than 2: battery voltage |