Isuzu N 2008 Series Workshop Manual page 85

1A-82 Engine Control System (4JJ1)
Step
Replace the FRP regulator. Refer to Fuel supply
pump in Section 1D Engine Fuel.
13
Did you complete the replacement?
Important:
programmed and learned.
14
Replace the ECM. Refer to ECM Replacement.
Did you complete the replacement?
1. Reconnect
harness connector(s).
2. Clear the DTCs with a scan tool.
3. Turn OFF the ignition for 30 seconds.
4. Start the engine.
15
5. Operate the vehicle within the Conditions for
Running the DTC. You may also operate the
vehicle
observed from the Freeze Frame/ Failure
Records.
Did the DTC fail this ignition?
Observe the DTC Information with a scan tool.
16
Are there any DTCs that you have not diagnosed?
Action
Replacement ECM
all previously disconnected
within the conditions
Value(s)
—
must be
—
—
that you
—
Yes
Go to Step 15
Go to Step 15
Go to Step 3 Go to Step 16
Go to DTC List
No
—
—
System OK