( TL19E3AA20300024601CAAT00 )

ECM/PCM Inputs and Outputs at Connector B (△) (49P)
NOTE: Standard battery voltage is about 12 V.

Terminal number | Wire color | Terminal name | Description | Signal
--- | --- | --- | --- | ---
31 | RED/BLK | VG+ (MASS AIR FLOW (MAF) SENSOR +SIDE) | Detects MAF sensor signal | At idle: 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 | Less than 0.5 V at all times
34 | GRN/BLK | SG2 (SENSOR GROUND) | Sensor ground | Less than 0.5 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 at idle and fully 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 5.0 V While driving: pulses
40 *1 | 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 fully warmed up engine running: about 7.5 V
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 0.5−3.0 V (depending on electrical load)
48 *1 | 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

*1: | A/T