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DTC P2147, P2148 FUEL INJECTOR CIRCUIT
EC-1453
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
2. CHECK ECM OUTPUT SIGNAL CIRCUIT FOR OPEN OR SHORT
1. Disconnect fuel injector harness connector.
2. Disconnect ECM harness connector.
3. Check harness continuity between the following terminals corre-
sponding to the malfunctioning cylinder.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace.
3. CHECK FUEL INJECTOR
Refer to EC-1454, "
Component Inspection" .
OK or NG
OK >> GO TO 4.
NG >> Replace fuel injector.
4. CHECK INTERMITTENT INCIDENT
Refer to EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Cylinder
Terminal
Continuity
Fuel injector ECM
No.1
3
42, 43 Should not exist
4 Should exist
4
42,43 Should exist
4 Should not exist
No.2
3
21, 22 Should not exist
5 Should exist
4
21, 22 Should exist
5 Should not exist
No.3
3
23, 24 Should not exist
5 Should exist
4
23, 24 Should exist
5 Should not exist
No.4
3
40, 41 Should not exist
4 Should exist
4
40, 41 Should exist
4 Should not exist
PBIB1896E
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