COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S289
(54) Emission Deterioration (DTC P3001 / 3252-0)
Behaviour during malfunction:
• Insufficient output
Detection item:
• DOC is heated up due to unburned fuel
DTC set preconditions:
• Other than during regeneration mode
• Coolant temperature is 50 °C (122 °F) or more: continues longer than 5 min. after engine starting
DTC set parameter:
•T
1
− T
0
≥ 250 °C (482 °F)
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• Output limitation: Approximately 50 % of normal condition
• Speed limitation (Accelerator limitation: 50 %)
• EGR stop
• Intake throttle 100 % open
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0445US0
1. Check the Air Intake System
1. Check in accordance with "6.[1] AIR INTAKE SYSTEM
INSPECTION PROCEDURE". (Refer to page 1-S320)
• Check the clogging condition of the air cleaner. If it is very
dirty, replace the new one.
• Check if the suction hose of the turbocharger blower does
not come off. If the hose comes off, install it.
• Check the suction path for leaks. (Suction path joints,
suction pipes, hoses)
• Check the installation of all exhaust gas temperature
sensors (T
0
, T
1
and T
2
).
• Check the engine oil level.
• Check the engine coolant level.
• Check whether turbocharger has abnormality. (sound and
externals)
9Y3200007CRS0446US0
OK Go to "2. Check the DTC".
NG Repair in accordance with "6.[1] AIR INTAKE SYSTEM INSPECTION
PROCEDURE". (Refer to page 1-S320)
(1) Hose Clamp
(2) Hose
(3) Turbocharger
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