ENGINE (J05E)/TROUBLESHOOTING
2–484
2.
DTC set condition
(1)
DTC detection condition
The following conditions continue for at least 30 seconds.
•
Starter key "ON".
•
DPR auto-regeneration is inactive.
•
Engine coolant temperature is 30
C {86
F} or less.
•
Engine speed of 1,000 r/min or less.
•
Exhaust brake is not actuated.
Otherwise, the following conditions continue for at least 30 seconds.
•
Starter key "ON".
•
Engine coolant temperature is 55
C {131
F} or more.
•
Engine speed of 750 r/min or less.
•
Fuel injection rate 80 mm
3
/st. cyl.
•
Exhaust brake is not actuated.
•
EGR valve opening is 0 %.
(2)
Judgement criteria
•
When EGR feedback (value of theoretical EGR rate - actual EGR rate) stays above the threshold value for at
least 30 seconds.
•
Above criterion is determined from the boost pressure, intake manifold temperature, air intake quantity, fuel
injection rate, and engine speed.
3.
Reset condition
•
After normal operation is restored and the starter key is turned "LOCK".
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
SVS light: OFF
•
Engine output is restricted.
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
•
Engine output is insufficient.
•
EGR valve is fully closed.
<Symptoms on the vehicle due to malfunction>
•
Faulty engine revving (engine hesitation)
•
Insufficient output or engine stall because of DPF clogging due to faulty catalyst regeneration
6.
Pre-inspection work
•
Check that the battery voltage is in the normal range.
7.
After-inspection work
•
Clear all past DTCs.
•
Check that no DTC is detected after test drive.