PCM Inputs and Outputs at Connector C (◦) (49P)
TERMINAL DESCRIPTION TABLE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 1 | BLK | PGMETCS (POWER GROUND ETCS) | Ground circuit for PCM | Less than 0.2 V at all times |
| 2 | BLU | ETCSM+ (THROTTLE ACTUATOR +SIDE) | Drives throttle actuator | With ignition switch ON (II): about 0 V |
| 3 | GRN | ETCSM- (THROTTLE ACTUATOR-SIDE) | Ground for throttle actuator | With ignition switch ON (II): about 0 V |
| 4 | YEL/GRN | IG1 ETCS (IGNITION SIGNAL ETCS) | Detects ignition signal | With ignition switch ON (II): battery voltage |
| 5 | BLK/WHT | SO2SHTCB1 (REAR SECONDARY HEATED OXYGEN SENSOR (REAR SECONDARY HO2S) (BANK 1, SENSOR 2) HEATER CONTROL | Drives rear secondary HO2S heater (Bank 1, sensor 2) | With ignition switch ON (II): battery voltage With fully warmed up engine running: duty controlled |
| 6 | BLK/WHT | AFSHTCB1 (REAR AIR FUEL RATIO (REAR A/F) SENSOR HEATER CONTROL BANK 1, SENSOR 1) | Drives rear A/F sensor heater (Bank 1, sensor 1) | With ignition switch ON (II): battery voltage With fully warmed up engine running: about 0 V or duty controlled |
| 7 | GRN/RED | SO2SHTCB2 (FRONT SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) HEATER) | Drives front secondary HO2S heater (Bank 2, sensor 2) | With ignition switch ON (II): battery voltage With fully warmed up engine running: duty controlled |
| 8 | GRN/WHT | AFSHTCB2 (FRONT AIR FUEL RATIO (FRONT A/F) SENSOR HEATER CONTROL BANK 2, SENSOR 1) | Drives front A/F sensor heater (Bank 2, sensor 1) | With ignition switch ON (II): battery voltage With fully warmed up engine running: about 0 V or duty controlled |
| 9 | GRN/RED | SHD (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | With engine running in N, and in D and 2 during no lock-up condition: about 0 V With engine running in P and R, and in D during lock-up condition: battery voltage |
| 10 | BLU/RED | EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) | Drives EGR valve | With EGR operating: duty controlled With EGR not operating: about 0 V |
| 11 | YEL/BLU | VCC6 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V |
| 12 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V |
| 15 | GRN/RED | SG6 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times |
| 16 | GRN/YEL | SG2 (SENSOR GROUND) | Sensor ground | Less than 1.0 V at all times |
| 17 | YEL/GRN | ATPD (TRANSMISSION RANGE SWITCH D) | Detects transmission range switch D position signal input | In D: about 0 V In any position other than D: battery voltage |
| 18 | BLU/YEL | ATPFWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch FWD position signal | In D, 2 and 1: about 0 V In any position other than D, 2 and 1: battery voltage |
| 19 | RED/WHT | ATPRVS (TRANSMISSION RANGE SWITCH RVS) | Detects transmission range switch RVS position signal input | In P, R and N: about 0 V In any position other than P, R and N: battery voltage |
| 20 | BLU/YEL | SHA (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in R, D (in 2nd and 3rd gears) and second: battery voltage With engine running in P, N, D (in 1st, 4th and 5th gears), and 1: about 0 V |
| 21 | RED | LSA (ATT CLUTCH PRESSURE CONTROL SOLENOID VALVE A) | Drives A/T clutch pressure control solenoid valve A | With ignition switch ON (II): current controlled |
| 22 | BLU/YEL | POIL (ENGINE OIL PRESSURE SENSOR) | Detects rocker arm oil pressure sensor signal | With ignition switch ON (II): about 0.8 V (depending on engine oil pressure) |
| 24 | RED/YEL | IAT (INTAKE AIR TEMPERATURE (IAT) SENSOR) | Detects IAT sensor signal | With ignition switch ON (II): about 0.1-4.8 V (depending on intake air temperature) |
| 25 | WHT | ATPR (TRANSMISSION RANGE SWITCH R) | Detects transmission range switch R position signal input | In R: about 0 V In any position other than R: battery voltage |
| 26 | RED/BLK | ATPN (TRANSMISSION RANGE SWITCH N) | Detects transmission range switch N position signal input | In N: about 0 V In any position other than N: battery voltage |
| 27 | BLU/BLK | OP2SW (2ND CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects transmission fluid pressure switch A (2nd clutch) signal | With ignition switch ON (II):
|
| 28 | GRN/WHT | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in P, R, N, 2, D (in 1st, 2nd and 5th gears): battery voltage With engine running in D (in 3rd and 4th gears): about 0 V |
| 30 | BLU/YEL | VCMSWB (ROCKER ARM OIL PRESSURE SWITCH B) | Detects rear rocker arm oil pressure switch signal | With ignition switch ON (II) or at idle: battery voltage |
| 32 | RED/WHT | ECT1 (ENGINE COOLANT TEMPERATURE SENSOR (ECT) SENSOR 1) | Detects ECT sensor 1 signal | With ignition switch ON (II): about 0.1-4.8 V (depending on engine coolant temperature) |
| 33 | BLU/YEL | ATFT (TATF TEMPERATURE SENSOR) | Detects ATF temperature signal | With ignition switch ON (II): about 0.2-4.0 V (about 1.8 V at operating temperature, depending on ATF temperature) |
| 34 | WHT/BLK | EGRP (EXHAUST GAS RECIRCULATION (EGR) VALVE POSITION SENSOR) | Detects EGR valve position sensor signal | With engine running: about 1.2-3.0 V (depending on EGR valve lift) |
| 35 | BRN | ATP1 (TRANSMISSION RANGE SWITCH 1) | Detects transmission switch 1 signal | In 1: about 0 V In any position other than 1: battery voltage |
| 37 | BLU/YEL | OP4SW (4TH CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects 4th clutch transmission fluid pressure switch signal | With ignition switch ON (II):
|
| 38 | BLU/WHT | OP3SW (3RD CLUTCH TRANSMISSION FLUID PRESSURE SWITCH) | Detects transmission fluid pressure switch B (3rd clutch) signal | With ignition switch ON (II):
|
| 39 | GRN | SHC (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 D3 (in 2nd gear), and 2: about 0 V |
| 40 | RED/YEL | PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) | Drives EVAP canister purge valve | With engine running, engine coolant below 140°F (60°C): battery voltage With engine running, engine coolant above 140°F (60°C): duty controlled |
| 41 | BRN/YEL | LG1 (LOGIC GROUND) | Ground circuit for PCM | Less than 0.2 V at all times |
| 42 | WHT/BLU | ALTL (ALTERNATOR L SIGNAL) | Detects alternator L signal | With ignition switch ON (II): about 0 V With engine running: battery voltage |
| 43 | WHT/GRN | ALTC (ALTERNATOR CONTROL) | Sends alternator control signal | With fully warmed up engine running: about 7.5 V (depending on electrical load) |
| 44 | WHT/RED | ALTF (ALTERNATOR FR SIGNAL) | Detects alternator FR signal | With engine running: about 0-5.0 V (depending on electrical load) |
| 46 | BLU | ATP2 (TRANSMISSION RANGE SWITCH 2) | Detects transmission switch 2 signal input | In 2: about 0 V In any position other than 2: battery voltage |
| 47 | RED/BLU | KS (KNOCK SENSOR) | Detects knock sensor signal | With engine knocking: pulses |
| 48 | WHT/BLU | IMT+ (INTAKE MANIFOLD TUNING (IMT) ACTUATOR + SIDE) | Drives IMT actuator | With ignition switch ON (II): battery voltage |
| 49 | WHT/RED | IMT- (INTAKE MANIFOLD TUNING (IMT) ACTUATOR - SIDE) | Drives IMT actuator | With ignition switch ON (II): battery voltage |