Engine Control System (4HK1) 1A-239
13
Replace the FRP sensor. Refer to Fuel Pressure
Sensor in Section 1D Engine Fuel.
Did you complete the replacement?
—
Go to Step 17
—
14
Important: Replacement fuel injector must be
programmed.
Replace the appropriate fuel injector that does not
change engine speed when commanded OFF.
Refer to Injector in Section 1D Engine Fuel.
Did you complete the replacement?
—
Go to Step 17
—
15
Important: The fuel supply pump must be timed to
the engine and adjustment value must be learned
to the ECM.
Notice: Always replace the fuel filter element when
a fuel supply pump is replaced.
Replace the fuel supply pump and fuel filter
element. Refer to Fuel Supply Pump and Fuel Filter
Element in Section 1D Engine Fuel.
Did you complete the replacement?
—
Go to Step 17
—
16
Notice: There is a possibility that the pressure
limiter valve stuck open or operating pressure has
fallen.
Replace the pressure limiter valve. Refer to
Pressure Limiter in Section 1D Engine Fuel.
Did you complete the replacement?
—
Go to Step 17
—
17
1. Reconnect all previously disconnected
harness connector(s).
2. Clear the DTCs with a scan tool.
3. Turn OFF the ignition for 30 seconds.
4. Start the engine.
5. Operate the vehicle within the Conditions for
Running the DTC. You may also operate the
vehicle within the conditions that you
observed from the Freeze Frame/ Failure
Records.
Did the DTC fail this ignition?
—
Go to Step 2 Go to Step 18
18
Observe the DTC Information with a scan tool.
Are there any DTCs that you have not
diagnosed?
—
Go to DTC List System OK
Step Action Value(s) Yes No
LG4HKED-WE-0871.book 239 ページ ２００７年１１月２９日 木曜日 午後６時２９分
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