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EC-1754
[YD (WITHOUT EURO-OBD)]
DTC P2147, P2148 FUEL INJECTOR CIRCUIT
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-1755, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. REPLACE FUEL INJECOR
1. Replace fuel injector of malfunctioning cylinder.
2. Perform Injector Adjustment Value Registration.
Refer to EC-1474, "
Injector Adjustment Value Registration" .
>> INSPECTION END
5. CHECK INTERMITTENT INCIDENT
Refer to EC-1520, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
Cylinder
Terminal
Continuity
Fuel injector ECM
No.1
1
42, 43 Should not exist
4 Should exist
2
42,43 Should exist
4 Should not exist
No.2
1
21, 22 Should not exist
5 Should exist
2
21, 22 Should exist
5 Should not exist
No.3
1
23, 24 Should not exist
5 Should exist
2
23, 24 Should exist
5 Should not exist
No.4
1
40, 41 Should not exist
4 Should exist
2
40, 41 Should exist
4 Should not exist
PBIB1896E
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