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
  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 running in N: about 2.5 V
18
YEL/BLU
VCC2 (SENSOR VOLTAGE)
Provides sensor reference voltage
With ignition switch ON (II): about 5.0 V
19
GRN
MCS (ENGINE MOUNT CONTROL SOLENOID VALVE)
Drives engine mount control solenoid valve
At idle: about 0 V
Above idle: battery voltage
With ignition switch ON (II): battery voltage
  20 *1
GRN
SHC (SHIFT SOLENOID VALVE C)
Drives shift solenoid valve C
With engine running in N, D, and S (in 1st, 3rd, and 5th gear): battery voltage
With engine running in P, R, D, and S (in 2nd and 4th gears): about 0 V
  21 *1
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: about 5.0 V
  22 *1
YEL
ATPRVS (TRANSMISSION RANGE SWITCH R)
Detects transmission range switch R position signal input
In R: about 0 V
In any position other than R: about 5.0 V
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)
  24 *1
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 S (in 1st gear): about 0 V
  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/RED
SHD (SHIFT SOLENOID VALVE D)
Drives shift solenoid valve D
With engine running in D and S (in 2nd and 5th gears): battery voltage
With engine running in P, R, N, D and S (in 1st, 3rd, 4th gears): about 0 V
  27 *1
RED/YEL
ATFT (ATF 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)
  28 *1
BLU/YEL
ATPFWD (TRANSMISSION RANGE SWITCH FWD POSITION)
Detects transmission range switch FWD position signal
In D and S: about 0 V
In any position other than D and S: about 5.0 V
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)

*1:
A/T