Kubota 07-CR-E5 - Exhaust Gas Temperature Sensor (T1) Abnormality (DTC P0543; 3242-4, P0544; 3242-3)

COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S209
(25) Exhaust Gas Temperature Sensor (T1) Abnormality (DTC P0543 / 3242-4,
P0544 / 3242-3)
P0543 / 3242-4: Exhaust gas temperature sensor (T
1
): Low
Behaviour during malfunction:
•None
Detection item:
• Ground short circuit of sensor / harness
DTC set preconditions:
• Battery voltage is normal
DTC set parameter:
• Exhaust gas temperature sensor (T
1
) voltage: 0.08 V or less
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• 0 °C (32 °F) [default value]
• Output limitation: Approximately 75 % of normal condition
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0305US0
P0544 / 3242-3: Exhaust gas temperature sensor (T
1
): High
Behaviour during malfunction:
•None
Detection item:
• Open circuit or +B short circuit of sensor / harness.
DTC set preconditions:
• Battery voltage is normal
• Coolant temperature is 50 °C (122 °F) or more: continues longer than 10 min. after engine starting
• 100 °C (212 °F) ≤ T
0
≤ 800 °C (1472 °F): continues longer than 10 sec. or 100 °C (212 °F) ≤ T
2
≤ 800 °C (1472 °F):
continues longer than 10 sec.
DTC set parameter:
• Exhaust gas temperature sensor (T
1
) voltage: 4.92 V or more
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• 0 °C (32 °F) [default value]
• Output limitation: Approximately 75 % of normal condition
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0306US0
KiSC issued 03, 2022 A