PCM Inputs and Outputs at PCM Connector B (Δ) (49P)
PCM CONNECTOR B (49P) REFERENCE
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 1 | BLK | PG2 (POWER GROUND) | Ground circuit for PCM | Less than 0.2 V at all times |
| 3 | YEL/BLU | PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) | Drives EVAP canister purge valve | With engine running, engine coolant below 149 °F (65 °C) battery voltage With engine running, engine coolant above 149 °F (65 °C). duty controlled |
| 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 |
| 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 |
| 8 | BLU/RED | OP2SW (TRANSMISSION FLUID PRESSURE SWITCH A (2ND CLUTCH)) | Detects transmission fluid pressure switch A (2nd clutch) input | With ignition switch ON (II)
|
| 9 | BLU/WHT | OP3SW (TRANSMISSION FLUID PRESSURE SWITCH B (3RD CLUTCH)) | Detects transmission fluid pressure switch B (3rd clutch) input | With ignition switch ON (II)
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| 10 | BLK | PG1 (POWER GROUND) | Ground circuit for PCM | Less than 0.2 V at all times |
| 11 | BLU/BLK | SHA (SHIFT SOLENOID VALVE A) | Drives shift solenoid valve A | With engine running in R, D (in 1st, 4th, and 5th gears), D3 (in 1st gear), and 1: battery voltage With engine running in P, N, D, and D3 (in 2nd and 3rd gears) and 2 about 0 V |
| 12 | GRN/WHT | SHB (SHIFT SOLENOID VALVE B) | Drives shift solenoid valve B | With engine running in P, R, N, D, and D3 (in 1st and 2nd gears), 2, and 1 battery voltage With engine running in D (in 3rd, 4th, 5th gears), D3 (in 3rd gear), 2, and 1 about 0 V |
| 13 | 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. about 5 0 V |
| 14 | 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 about 5.0 V |
| 15 | WHT | ATPR (TRANSMISSION RANGE SWITCH R) | Detects transmission range switch R position signal | In R about 0 V In any position other than R about 5.0 V |
| 16 | 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 |
| 17 | BLU | ATP2 (TRANSMISSION RANGE SWITCH 2) | Detects transmission range switch 2 position signal | In 2: about 0 V In any position other than 2 battery voltage |
| 18 | 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 position about 2 5V (pulses) |
| 19 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II). about 5.0 V |
| 21 | GRN | SHC (SHIFT SOLENOID VALVE C) | Drives shift solenoid valve C | With engine running in N, D (in 1st, 3rd, and 5th gears), D3 (in 1st and 3rd gears), and 1 battery voltage With engine running in P, R, D (in 2nd and 4th gears), D3 (in 2nd gear), and 2 about 0 V |
| 22 | 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 |
| 23 | RED/WHT | 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 |
| 24 | 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 | 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 and D3 (in 1st gear), 2, and 1. about 0 V |
| 26 | BLU/YEL | LSC (AT CLUTCH PRESSURE CONTROL SOLENOID VALVE C) | Drives A/T clutch pressure control solenoid valve C | With ignition switch ON (II). current controlled |
| 27 | GRN/RED | SHD (SHIFT SOLENOID VALVE D) | Drives shift solenoid valve D | With engine running in D (in 2nd and 5th gears), D3 (in 2nd gear), and 2 battery voltage With engine running in P, R, N, D (in 1st, 3rd and 4th gears), D3 (in 1st and 3rd gears), and 1. about 0 V |
| 28 | RED/YEL | TATF (ATF TEMPERATURE SENSOR) | Detects ATF temperature sensor signal | With ignition switch ON (II) about 0.2-4.8 V (depending on ATF temperature) |
| 29 | BLU/YEL | ATPFWD (TRANSMISSION RANGE SWITCH FWD) | Detects transmission range switch D, D3, 2 positions signal | In D, D3, and 2. about 0 V In any position other than D, D3, and 2 battery voltage |
| 31 | RED/BLK | VG+ (MASS AIR FLOW (MAF) SENSOR +SIDE) | Detects MAF sensor signal | At idle with warmed up engine and no electrical load: about 1.3 V |
| 32 | 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) |
| 33 | BLK/BLU | VG- (MASS AIR FLOW (MAF) SENSOR-SIDE) | Ground for MAF sensor signal | |
| 34 | GRN/BLK | SG2 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times |
| 35 | GRN/YEL | VTS (ROCKER ARM OIL CONTROL SOLENOID) | Drives rocker arm oil control solenoid | At idle about 0 V |
| 36 | WHT/RED | SHO2S (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) SENSOR 2) | Detects secondary HO2S (sensor 2) signal | With throttle fully opened from idle and warmed up engine*. above 0.8 V While throttle quickly closed: below 0.1 V |
| 38 | BLK/WHT | 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 While driving. about 2.5 V (pulses) |
| 40 | BRN | 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 |
| 45 | WHT/GRN | ALTC (ALTERNATOR CONTROL) | Sends alternator control signal | With warmed up engine running: about 7.5 V (depending on electrical load) |
| 46 | WHT/BLU | ALTL (ALTERNATOR L SIGNAL) | Detects alternator L signal | With ignition switch ON (II). about 0 V With engine running. battery voltage |
| 47 | WHT/RED | ALTF (ALTERNATOR FR SIGNAL) | Detects alternator FR signal | With engine running. about 0.5-2.7 V (depending on electrical load) |
| 48 | RED/BLK | 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 |