Isuzu N 2008 Series Workshop Manual page 258

Step
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.
13
5. Operate the vehicle within the Conditions for
Running the DTC. You may also operate the
vehicle within
observed from the Freeze Frame/ Failure
Records.
Did the DTC fail this ignition?
Observe the DTC Information with a scan tool.
14
Are there any DTCs that you have not diagnosed?
Action
all previously disconnected
the conditions that
Engine Control System (4JJ1)
Value(s)
—
you
—
Yes
Go to Step 3 Go to Step 14
Go to DTC List
1A-255
No
System OK