Voltage Between EN13 (1) and a Reliable
Ground
0 V
Execute next step as per normal.
Next
Step 7
Check ECM power supply circuit.
(a)
Check whether ECM power supply circuit is normal.
(b)
Check whether ECM ground circuit is normal.
No
Repair the faulty part.
Yes
Step 8
Replace ECM.
Next
Step 9
Use scan tool to confirm whether the DTC code is stored again.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Clear DTC code.
(d)
Start and run the engine at idle speed to warm up the engine
for at least 5 min.
(e)
Road test the vehicle for at least 10 min.
(f)
Read control system DTC code again to confirm that the
system has no DTC code.
No
Intermittent Fault. Refer to
Yes
Step 10
Diagnostic completed.
5. Repair Instructions:
Replace the fuel injector. Refer to
.
2.2.7.27 DTC P0204 P0270 P0271
1. DTC Descriptor:
DTC
P0204
Cylinder No.4 Fuel Injection Control Circuit Open
DTC
P0270
Cylinder No.4 Fuel Injector Control Circuit Short to Ground
DTC
P0271
Cylinder No.4 Fuel Injector Control Circuit Short to Power Supply
Engine
Control System JL4G18-D
2-139
EC718/EC718RV EC715/EC715RV 10/2009
Summary of Contents for EC715 2009
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