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ECM Terminals and Reference Value
NGEC0749
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM’s transistor. Use a ground other than the ECM terminals, such as the ground.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
4 OR/B
ECM relay (Self shut-
off)
[Engine is running]
[Ignition switch OFF]
쐌 For a few seconds after turning ignition switch
OFF
0 - 1.5V
[Ignition switch OFF]
쐌 A few seconds passed after turning ignition
switch OFF
BATTERY VOLTAGE
(11 - 14V)
5 R/Y
EVAP canister purge
volume control sole-
noid valve
[Engine is running]
쐌 Idle speed
BATTERY VOLTAGE
(11 - 14V)
SEF994U
[Engine is running]
쐌 Engine speed is 2,000 rpm (More than 100 sec-
onds after starting engine)
BATTERY VOLTAGE
(11 - 14V)
SEF995U
67 B/P
Power supply for ECM [Ignition switch ON]
BATTERY VOLTAGE
(11 - 14V)
72 B/P
117 B/P Current return
[Engine is running]
쐌 Idle speed
BATTERY VOLTAGE
(11 - 14V)
DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL
SOLENOID VALVE (CIRCUIT)
VG33E
ECM Terminals and Reference Value
EC-974
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