ECM Inputs and Outputs at Connector A (□) (44P)
NOTE: Standard battery voltage is about 12 V.
Terminal number
Wire color
Terminal name
Description
Signal
23
LT GRN
ELD (ELECTRICAL LOAD DETECTOR (ELD))
Detects ELD signal
With ignition switch ON (II): about 0.1−4.8 V (depending on electrical load)
24
GRY
VCC5 (SENSOR VOLTAGE)
Provides sensor reference voltage
With ignition switch ON (II): about 5.0 V
25
BRN
VCC4 (SENSOR VOLTAGE)
Provides sensor reference voltage
With ignition switch ON (II): about 5.0 V
27
GRN
RVS (REVERSE LOCK SOLENOID VALVE)
Drives reverse lock solenoid valve
With ignition switch ON (II): battery voltage
28
BLU
NEP (ENGINE SPEED PULSE)
Outputs engine speed pulse
With engine running: pulses
29
BLU
VSSOUT (VEHICLE SPEED SIGNAL OUTPUT)
Sends vehicle speed sensor signal
Depending on vehicle speed: pulses
31
BRN
SCS (SERVICE CHECK SIGNAL)
Detects service check signal
With service check signal shorted using the HDS: about 0 V
With service check signal opened: about 5.0 V
33
GRN
ECT2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2)
Detects ECT sensor 2 signal
With ignition switch ON (II): about 0.1−4.8 V (depending on engine coolant temperature)
34
WHT
SG5 (SENSOR GROUND)
Sensor ground
Less than 1.0 V at all times
35
BLU
SG4 (SENSOR GROUND)
Sensor ground
Less than 1.0 V at all times
36
WHT
CANH (CAN COMMUNICATION SIGNAL HIGH)
Sends communication signal
With ignition switch ON (II): about 2.5 V (pulses)
37
RED
CANL (CAN COMMUNICATION SIGNAL LOW)
Sends communication signal
With ignition switch ON (II): about 2.5 V (pulses)