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DTC P1268 - P1271 FUEL INJECTOR
EC-1411
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
On Board Diagnosis Logic EBS01270
The MI will not light up for these self-diagnoses.
21
22
23
24
G/R
GY/L
G/R
GY/L
Fuel injector No. 2
Fuel injector No. 2
Fuel injector No. 3
Fuel injector No. 3
[Engine is running]
● Warm-up condition
● Idle speed
0 - 9V
[Engine is running]
● Warm-up condition
● Engine speed is 2,000 rpm
0 - 9V
40
41
42
43
G/R
GY/L
G/R
GY/L
Fuel injector No. 4
Fuel injector No. 4
Fuel injector No. 1
Fuel injector No. 1
[Engine is running]
● Warm-up condition
● Idle speed
0 - 9V
[Engine is running]
● Warm-up condition
● Engine speed is 2,000 rpm
0 - 9V
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
MBIB0881E
MBIB0882E
MBIB0881E
MBIB0882E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1268 No. 1 cylinder fuel injector
The valve built into No. 1 cylinder fuel injector is
not closed properly (stuck open) when the injec-
tor is not energized.
● Fuel injector
P1269 No. 2 cylinder fuel injector
The valve built into No. 2 cylinder fuel injector is
not closed properly (stuck open) when the injec-
tor is not energized.
P1270 No. 3 cylinder fuel injector
The valve built into No. 3 cylinder fuel injector is
not closed properly (stuck open) when the injec-
tor is not energized.
P1271 No. 4 cylinder fuel injector
The valve built into No. 4 cylinder fuel injector is
not closed properly (stuck open) when the injec-
tor is not energized.
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