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EC-800
[QR (WITHOUT EURO-OBD)]
IGNITION SIGNAL
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 ECM terminals, such as the ground.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
111 G/W
ECM relay
(Self shut-off)
[Engine is running]
[Ignition switch: OFF]
● For a few seconds after turning ignition
switch OFF
0 - 1.0V
[Ignition switch: OFF]
● More than a few seconds after turning igni-
tion switch OFF
BATTERY VOLTAGE
(11 - 14V)
119
120
SB
GY
Power supply for ECM [Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
121 W/L
Power supply for ECM
(Back-up)
[Ignition switch: OFF]
BATTERY VOLTAGE
(11 - 14V)
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