ECM/PCM Inputs and Outputs at ECM/PCM Connector B (Δ ) (44P)
CONNECTOR TERMINALS DESCRIPTION CHART
| Terminal number | Wire color | Terminal name | Description | /Signal | ||||
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| 1 | BLK | PG2 (POWER GROUND) | Ground circuit for ECM/PCM | Less than 0.2 V at all times | ||||
| 2 | BLU/RED | EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) | Drives EGR valve | With EGR operating: duty controlled With EGR not operating: about 0 V |
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| 3 | YEL/BLU | 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 |
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| 4 | BLK/WHT | SO2SHTC (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2) HEATER) | Drives secondary HO2S (sensor 2) heater | With ignition switch ON (II): battery voltage With warmed up engine running: duty controlled |
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| 7 | YEL/RED | OPSW (OIL PRESSURE SWITCH) | Detects engine oil pressure signal | With ignition switch ON (II): about 0 V With engine running: battery voltage |
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| 8(1) | BLU/YEL | OP2SW (TRANSMISSION FLUID PRESSURE SWITCH A (2ND CLUTCH)) | Detects transmission fluid pressure switch A (2nd clutch) signal | With ignition switch ON (II):
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| 9(1) | BLK/RED | OP3SW (TRANSMISSION FLUID PRESSURE SWITCH B (3RD CLUTCH)) | Detects transmission fluid pressure switch B (3rd clutch) signal | With ignition switch ON (II):
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| 10(1) | BLU | SHA (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in 2, D (in 2nd and 4th gears), and D3 (in 2nd gear): battery voltage With engine running in P, R, N, 1, and D (in 1st, 3rd, and 5th gears), and D3 (in 1st and 3rd gears): about 0 V |
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| 11(1) | GRN/RED | SHD (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | With engine running in P and R: battery voltage With engine running in N: about 0 V |
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| 12(1) | RED/BLK | ATPN (TRANSMISSION RANGE SWITCH N) | Detects transmission range switch N position signal | In N: about 0 V In any position other than N: more than 5.0 V |
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| 13(1) | BLU/BLK | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: more than 5.0 V |
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| 14(1) | WHT/GRN | ATPR (TRANSMISSION RANGE SWITCH R) | Detects transmission range switch R position signal | In R: about 0 V In any position other than R: more than 5.0 V |
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| 15(1) | RED | ATPD3 (TRANSMISSION RANGE SWITCH D3) | Detects transmission range switch D3 position signal | In D3: about 0 V In any position other than D3: battery voltage |
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| 16(1) | BRN | ATP2-1(TRANSMISSION RANGE SWITCH 2-1) | Detects transmission range switch 2-1 position signal | In 2 and 1: about 0 V In any position other than 2 and 1: battery voltage |
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| 17(1) | 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 2.5 V (pulses) |
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| 18 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||
| 20(1) | GRN | SHC (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | With engine running in R, D3 (in 3rd gear), and D (in 3rd gear): battery voltage With engine running in P, N, 2, D3 (in 1st and 2nd gears), and D (in 1st, 2nd, 4th, and 5th gears): about 0 V |
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| 21(1) | YEL/GRN | ATPD (TRANSMISSION RANGE SWITCH D) | Detects transmission range switch D position signal | In D: about 0 V In any position other than D: battery voltage |
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| 22(1) | YEL | ATPRVS (TRANSMISSION RANGE SWITCH RVS) | Detects transmission range switch R position signal | In R: about 0 V In any position other than R: battery voltage |
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| 23 | RED/WHT | ECT1 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1) | Detects ECT sensor 1 signal | With ignition switch ON (II): about 0.1-4.8 V (depending on engine coolant temperature) | ||||
| 25(1) | BLU/WHT | LSC (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE C) | Drives A/T clutch pressure control solenoid valve C | With ignition switch ON (II): current controlled | ||||
| 26(1) | GRN/WHT | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in R, 1, D3 (in 1st gear), and D (in 1st gear): battery voltage With engine running in P, N, 2, D3 (in 2nd and 3rd gears), and D (in 2nd, 3rd, 4th, and 5th gears): about 0 V |
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| 27(1) | BRN/RED | TATF (ATF TEMPERATURE SENSOR) | Detects ATF temperature signal | With ignition switch ON (II): about 0.2-4.8 V (about 1.8 V at operating temperature) (depending on ATF temperature) | ||||
| 28(1) | BLU/YEL | ATPFWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch D, D3, and 2 positions signal | In D, D3, and 2: about 0 V In any position other than D, D3, and 2: battery voltage |
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| 29 | 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) | ||||
| 30 | RED/BLU | VG+ (MASS AIR FLOW (MAF) SENSOR +SIDE) | Detects MAF sensor signal | At idle with warmed up engine and no electrical load: about 1.1-1.6V (between VG+ terminal and VG- terminal) |
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| 31 | RED/YEL | IAT (INTAKE AIR TEMPERATURE (IAT) SENSOR) | Detects IAT sensor signal | With ignition switch ON (II): about 0.1-4.0 V (about 1.8 V at normal operating temperature) | ||||
| 32 | BLK/RED | VG-(MASS AIR FLOW (MAF) SENSOR-SIDE) | Ground for MAF sensor signal | |||||
| 33 | GRN/YEL | SG2 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||||
| 34 | BLK/WHT | VTS (ROCKER ARM OIL CONTROL SOLENOID) | Drives rocker arm oil control solenoid | At idle: about 0 V | ||||
| 35(1) | WHT | LSA (ATT CLUTCH PRESSURE CONTROL SOLENOID VALVE A) | Drives A/T clutch pressure control solenoid valve A | With ignition switch ON (II): current controlled | ||||
| 36 | BLK | PG1 (POWER GROUND) | Ground circuit for ECM/PCM | Less than 0.2 V at all times | ||||
| 37 | BRN | IMT+ (INTAKE MANIFOLD TUNING (IMT) ACTUATOR +SIDE) | Drives IMT actuator | With ignition switch ON (II): battery voltage | ||||
| 38 | WHT/BLK | IMT- (INTAKE MANIFOLD TUNING (IMT) ACTUATOR -SIDE) | Ground for IMT actuator | With ignition switch ON (II): about 4.5 V (between IMT+ terminal and IMT- terminal) | ||||
| 39 | WHT | IMTM (INTAKE MANIFOLD TUNING (IMT) VALVE MONITOR) | Detects IMT valve position | With ignition switch ON (II): about 0 V With engine speed above 5,200 RPM: about 5.0 V |
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| 41(2) | WHT/GRN | ALTC (ALTERNATOR CONTROL) | Sends alternator control signal | With warmed up engine running: about 5.0 V (depending on electrical load) | ||||
| 42 | WHT/BLU | ALTL (ALTERNATOR L SIGNAL) | Detects alternator L signal | With ignition switch ON (II): about 0 V With engine running: battery voltage |
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| 43 | WHT/RED | ALTF (ALTERNATOR FR SIGNAL) | Detects alternator FR signal | With engine running: about 2.6-3.4 V (depending on electrical load) | ||||
| 44(1) | 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): current controlled | ||||
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