Isuzu 2008MY N Series Workshop Manual page 69

1A-66 Engine Control System (4HK1)
Step
1. Inspect the crankshaft position (CKP) sensor
and the camshaft position (CMP) sensor for
the following conditions:
• Physical damage of sensor
• Loose or improper installation of sensor
• Excessive air gap
• Foreign material passing between sensor
and sensor rotor or camshaft gear
• Physical damage of sensor rotor or
camshaft gear
3
• Loose or improper installation of sensor
rotor or camshaft gear
2. Inspect the engine mechanical timing for an
incorrectly installed timing gear or camshaft.
Notice: If the flywheel dowel pin is missing or
pushed in and the flywheel is incorrectly
installed, this DTC may set.
3. Repair or replace as necessary.
Did you complete the repair?
1. Reconnect
harness connector(s) if disconnected.
2. Clear the DTCs with a scan tool.
3. Turn OFF the ignition for 30 seconds.
4. Start the engine. If the engine does not start,
crank over the engine for 10 seconds.
4
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 the a scan tool.
5
Are there any DTCs that you have not
diagnosed?
Action
all previously disconnected
within the conditions
Value(s)
—
—
that you
—
Yes
Go to Step 4
Go to Step 2 Go to Step 5
Go to DTC List
No
—
System OK