P01A6: Fuel Rail Pressure Sensor (Sub) - Out Of Range (High); Dtc: P01A6 - Hino Motors HINO 155 series Workshop Manual

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DTC: P01A6

P01A6: Fuel rail pressure sensor (sub) - out of range (Out of range high)
INFORMATION
1. Technical description
• The common rail pressure sensor (sub) constantly measures the common rail pressure.
<Technical Description>
• Common rail pressure is not correctly identified.
• Possible failure of common rail pressure sensor (sub) or harness disconnection or +B short.
2. DTC set condition
(1) DTC detection condition
• Starter key "ON".
• Battery voltage is in the range of 10 V to 16 V.
• Engine stall condition or engine speed above 500 r/min continues for 5 seconds.
(2) Judgement criteria
• Common rail pressure sensor (sub) voltage is above 4.79 V (245.7 MPa) for 0.2 seconds.
3. Reset condition
• After restoration to normal condition and starter key "LOCK"
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 detected after test drive.
ENGINE (J05E)/TROUBLESHOOTING
EBK
(E1)
EBJ
(PCR1)
EBH
(VC1)
Common rail
EBN
(E2)
pressure sensor
EBM
(PCR2)
EBL
(VC2)
Engine ECU
$XV
(PC1S)
15mA Z70
(E1)
2mA
XZG
(PCR1)
15mA
X85
(VC)
15mA
Z72
(E2)
2mA
XZH
(PCR2)
15mA
XG2
(VC2)
$XW (PC2S)
EN01H02127030602016056
SHTS021270300304