COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S310
(68) High Frequency of Regeneration (DTC P3024 / 523602-0)
Behaviour during malfunction:
• Worsening exhaust gas performance (NOx)
Detection item:
• Time interval from the end time to the start time of the regeneration
DTC set preconditions:
• Battery voltage is normal
• Key switch is ON
DTC set parameter:
• Regeneration time interval within 30 min. occurs three times continuously
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• Output limitation: Approximately 50 % of normal condition
•EGR stop
Recovery from error:
• Key switch turn OFF (Reset by Service tool)
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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 installation of the differential pressure sensor
pipes.
• Check the engine oil maintenance history
(Oil consumption).
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2. Check the Differential Pressure Sensor (Refer to items P2454
and P2455)
1. Check the differential pressure sensor.
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3. Check the Function of DPF
1. Operate the engine for 30 minutes in the normal condition.
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OK Go to "2. Check the Differential Pressure Sensor (Refer to items P2454
and P2455)".
NG Repair in accordance with "6.[1] AIR INTAKE SYSTEM INSPECTION
PROCEDURE". (Refer to page 1-S320)
(1) Hose Clamp
(2) Hose
(3) Turbocharger
OK Go to "3. Check the Function of DPF".
NG Replace the differential pressure sensor or its related parts. (Follow the
diagnostic procedure of items P2454 and P2455).
(1) Terminal A-VCC12
(2) Terminal A-GND11
(3) Terminal DPS
(a) Differential Pressure Sensor
Connector
Service
specification
"DPF Regeneration Request" is not detected within 30
minutes.
OK Normal.
NG Replace the DPF assembly.
(a) DPF Manual Regeneration
Reguest Button
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