|
Terminal number
|
Wire color
|
Terminal name
|
Description
|
Signal
|
|---|---|---|---|---|
|
1
|
BLK
|
PG2 (POWER GROUND)
|
Ground circuit for ECM circuit
|
Less than 1.0 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 60 °C (140 °F): battery voltage
With engine running, engine coolant above 60 °C (140 °F): duty controlled
|
|
4
|
BLK/WHT
|
SO2SHTC (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) HEATER (SENSOR 2))
|
Drives secondary HO2S heater (sensor 2)
|
With ignition switch ON (II): battery voltage
With fully warmed up engine running: duty controlled
|
|
7
|
YEL/RED
|
OPSW (OIL PRESSURE SWITCH)
|
Detects engine oil pressure signal
|
With ignition switch OFF: about 0 V
With engine running: battery voltage
|
|
18
|
YEL
|
VCC2 (SENSOR VOLTAGE)
|
Provides sensor reference voltage
|
With ignition switch ON (II): 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)
|