Isuzu N 2008 Series Workshop Manual page 98

Step
1. Inspect for an intermittent and for a poor
connection at the harness connector of the
MAF sensor (pin 2 of J38).
9
2. Repair the connection(s) as necessary.
Did you find and correct the condition?
1. Turn OFF the ignition.
2. Disconnect the ECM harness connector.
3. Inspect for an intermittent and for a poor
connection at the harness connector of the
10
ECM (pin 22 of J14).
4. Repair the connection(s) as necessary.
Did you find and correct the condition?
Replace the MAF sensor. Refer to MAF/ IAT
Sensor in Section 1J Induction.
11
Did you complete the replacement?
Important: Replacement
programmed and learned.
12
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.
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
ECM must
all previously disconnected
the conditions that
Engine Control System (4JJ1)
Value(s)
—
—
—
be
—
—
you
—
Yes
Go to Step 13 Go to Step 11
Go to Step 13 Go to Step 12
Go to Step 13
Go to Step 13
Go to Step 2 Go to Step 14
Go to DTC List
1A-95
No
—
—
System OK