ECM/PCM Inputs and Outputs at Connector B (△) (44P)
NOTE: Standard battery voltage is about 12 V.
Terminal number
Wire color
Terminal name
Description
Signal
30
RED/BLU
VG+ (MASS AIR FLOW (MAF) SENSOR +SIDE)
Detects MAF sensor signal
At idle: about 1.5 V
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
Less than 0.5 V at all times
33
GRN/YEL
SG2 (SENSOR GROUND)
Sensor ground
Less than 0.5 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
BRN
LSB (A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE AB)
Drives A/T clutch pressure control solenoid valve B
With ignition switch ON (II): current controlled
36
BLK
PG1 (POWER GROUND)
Ground circuit for ECM/PCM circuit
Less than 0.5 V at all times
37
BRN
IMT+ (INTAKE MANIFOLD TUNING (IMT) ACTUATOR +SIDE)
Drives IMT actuator
With ignition switch ON (II): about 0 V
38
WHT/BLK
IMT− (INTAKE MANIFOLD TUNING (IMT) ACTUATOR −SIDE)
Ground for IMT actuator
With ignition switch ON (II): about 0 V
39
WHT
IMTM (INTAKE MANIFOLD TUNING (IMT) VALVE MONITOR)
Detects IMT valve position
With ignition switch ON (II): about 0 V
41
WHT/GRN
ALTC (ALTERNATOR CONTROL)
Sends alternator control signal
With fully warmed up engine running: about 7.5 V
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/RED
ALTF (ALTERNATOR FR SIGNAL)
Detects alternator FR signal
With engine running: about 0.5−3.0 V (depending on electrical load)
  44 *1
WHT
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