Kubota 07-CR-E5 - ECU Flash-ROM and CPU Abnormality (DTC P0605; 628-2, P0606; 1077-2, P0606; 523527-2)

COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S219
(29) ECU Flash-ROM and CPU Abnormality (DTC P0605 / 628-2, P0606 / 1077-2,
P0606/ 523527-2)
P0605 / 628-2: ECU Flash-ROM error
Behaviour during malfunction:
• Engine stops
Detection item:
• FLASH ROM error
DTC set preconditions:
• Key switch is ON
DTC set parameter:
• 3 times or more consecutive inconsistencies in checksum
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• Engine stopped without delay
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0328US0
P0606 / 1077-2: ECU CPU (Main IC) error
Behaviour during malfunction:
• Engine stops
Detection item:
• Failure of CPU
DTC set preconditions:
• Key switch is ON
• Battery voltage is 10 V or more
• Starter Switch signal (Engine ECU: V12 terminal) is not activated
DTC set parameter:
• CPU abnormality counter ≥ 5 times (RUN pulse abnormality occurs 5 times or more)
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• Engine Stop
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0329US0
P0606 / 523527-2: ECU CPU (Monitoring IC) error
Behaviour during malfunction:
• Engine stops
Detection item:
• Failure of monitoring IC of CPU
DTC set preconditions:
• Key switch is ON
• Battery voltage is 10 V or more
• Starter Switch signal (Engine ECU: V12 terminal) is not activated
DTC set parameter:
• Abnormality continues for 2000 msec. or more after the engine ECU is turned ON
• RUN pulse abnormality
• Above conditions occur continuously for 700 msec. or more
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• Engine Stop
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0330US0
KiSC issued 03, 2022 A