Isuzu 2008MY N Series, Руководство по ремонту

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Engine Control System (4HK1) 1A-247
4
1. Turn ON the ignition, with the engine OFF.
2. Clear the DTC and the DPD Status with a
scan tool.
3. Turn OFF the ignition for 30 seconds.
Important: Engine oil must be replaced after
DPD slow regeneration is completed.
4. Perform the DPD Slow Regeneration with a
scan tool.
Did you complete the action?
—
Go to Step 6
—
5
1. Turn ON the ignition, with the engine OFF.
2. Clear the DTC and the DPD Status with a
scan tool.
3. Turn OFF the ignition for 30 seconds.
4. Perform the DPD Regeneration with a scan
tool.
Did you complete the action?
—
Go to Step 6
—
6
1. Observe the Exhaust Temperature 1
parameter with a scan tool. Make sure the
temperature is less than 150
°
C (302
°
F). If
more than 150
°
C (302
°
F), let increase 1500
RPM without load. (Turn the idle up control
knob clockwise.)
2. Accelerate the engine to W.O.T. (accelerator
pedal full travel) and read the Exhaust
Differential Pressure parameter when the
Exhaust Temperature 1 parameter is reached
to 200
°
C (392
°
F).
Is the Exhaust Differential Pressure parameter
less than the specified value?
5.9 kPa (low
output) 2.5
kPa (high
output)
Go to Step 7
Ash cleaning must
be performed. Refer
to appropriate
procedure in
Section 1G Engine
Exhaust
7
Observe the DTC Information with a scan tool.
Are there any DTCs that you have not
diagnosed?
—
Go to DTC List System OK
Step Action Value(s) Yes No
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