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DTC P1274 FUEL PUMP
EC-1725
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
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.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
10 Y/L Fuel pump
[Engine is running]
● Warm-up condition
● Idle speed
0 - 12.5V
[Engine is running]
● Warm-up condition
● Engine speed: 2,000 rpm
0 - 12.5V
29 L Fuel pump
[Engine is running]
● Warm-up condition
● Idle speed
0.5 - 1.0V
[Engine is running]
● Warm-up condition
● Engine speed: 2,000 rpm
0.5 - 1.0V
MBIB0885E
MBIB0886E
MBIB0887E
MBIB0888E
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