Isuzu 2008MY N Series Workshop Manual page 73

1A-70 Engine Control System (4HK1)
Step
1. Inspect
connections and corrosion at the harness
connector of the actuator & sensor (pins 1, 2,
3, 4, 5, 6, 7 and 8 E-2).
16
2. Repair the connection(s) as necessary.
Did you find and correct the condition?
1. Turn OFF the ignition.
2. Disconnect the VNT control module harness
connector.
3. Inspect
connections and corrosion at the harness
17
connector of the VNT control module (pins 1,
2, 3, 4, 8, 10, 11 and 12 of E-4).
4. Repair the connection(s) as necessary.
Did you find and correct the condition?
Replace the turbocharger. Refer to Turbocharger
Assembly in Section 1J Induction.
18
Did you complete the replacement?
Replace the VNT control module. Refer to VNT
Control Module Replacement in Section 1J
19
Induction.
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.
20
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.
21
Are there any DTCs that you have not
diagnosed?
Action
for an intermittent,
for an intermittent,
all previously disconnected
within the conditions
Value(s)
for poor
—
for poor
—
—
—
—
that you
—
Yes
Go to Step 20 Go to Step 18
Go to Step 20 Go to Step 19
Go to Step 20
Go to Step 20
Go to Step 2 Go to Step 21
Go to DTC List
No
—
—
System OK