P0545: Exhaust Gas Temperature Sensor (Doc1 Inlet) - Out Of Range; Dtc: P0545 And P0546 - Hino Motors HINO 155 series Workshop Manual

2–592

DTC: P0545 and P0546

P0545: Exhaust gas temperature sensor (DOC1 inlet) - out of range (Out of range low)
INFORMATION
Exhaust gas
temperature sensor
(DOC1 inlet)
1. Technical description
• The exhaust gas temperature sensor (DOC1 inlet) consistently detects exhaust gas temperature.
• A reading taken by the exhaust gas temperature sensor (DOC1 inlet) is used to control DPR regeneration.
<Description of malfunction>
• Exhaust gas temperature cannot be correctly recognized.
2. DTC set condition
(1) DTC detection condition
• Battery voltage is in the range of 10 V to 16 V.
(2) Judgement criteria
• Voltage of the exhaust gas temperature sensor (DOC1 inlet) remains less than 0.063 V (1,165 C {2,219 F})
for 3 seconds.
3. Reset condition
• After restoration to normal condition
4. Indication, warning or system control regulation when the DTC is set.
• MIL: ON
• SVS light: OFF
5. Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe function)>
• –
<Symptoms on the vehicle due to malfunction>
• –
6. Pre-inspection work
• Check that the battery voltage is in the normal range.
7. After-inspection work
• Clear all past DTCs.
• Check that no DTC is stored after test drive.
ENGINE (J05E)/TROUBLESHOOTING
TYP 0.001A
VKF
(TOIL)
TYP 0.004A
ZKT
(GND)
Engine ECU
XYD (THO1)
XJQ
(E5)
EN01H02127030602016093
SHTS021270300543