Exhaust Gas Temperature Sensor 0 (T0) Abnormality (Dtc P0546 / 4765-4, P0547 / 4765-3) - Kubota V3800-CR-TE4 Diagnosis Manual

V3800-CR-TE4,V3800-CR-TIE4, DM
(24) Exhaust Gas Temperature Sensor 0 (T0) Abnormality (DTC P0546 /
4765-4, P0547 / 4765-3)
P0546 / 4765-4: Exhaust gas temperature sensor 0 (T0) abnormality (Low side)
Behaviour during malfunction:
• None
Detection item:
• Ground short circuit of sensor / harness
• Failure of sensor
DTC set preconditions:
• Battery voltage is normal
• Other exhaust gas temperature sensors are normal
DTC set parameter:
• DOC inlet temperature sensor (T0) voltage: 0.08 V or less
Engine warning light:
• ON
System action:
• 0 °C (32 °F) [default value]
Recovery from error:
• Key switch turn OFF
P0547 / 4765-3: Exhaust gas temperature sensor 0 (T0) abnormality (Low side)
Behaviour during malfunction:
• None
Detection item:
• Open circuit or +B short circuit of sensor / harness
• Failure of sensor
DTC set preconditions:
• Battery voltage is normal
• Other exhaust gas temperature sensors are normal
• Coolant temperature is 65 °C (149 °F) or more: continues longer than 5 min. after engine starting
• 100 °C (212 °F) ≤ T1 ≤ 800 °C (1472 °F): continues longer than 10 sec. or 100 °C (212 °F) ≤ T2 ≤ 800 °C (1472 °F):
continues longer than 10 sec.
DTC set parameter:
• DOC inlet temperature sensor (T0) voltage: 4.92 V or more
Engine warning light:
• ON
System action:
• 0 °C (32 °F) [default value]
Recovery from error:
• Key switch turn OFF
1-S198
COMMON RAIL SYSTEM
9Y1200192CRS0745US0
9Y1200192CRS0746US0
KiSC issued 05, 2012 A