P0381: Glow Lamp (Wait-To-Start Lamp) - Circuit; Dtc: P0381 - Hino Motors HINO 155 series Workshop Manual

DTC: P0381

P0381: Glow lamp (wait-to-start lamp) - circuit

INFORMATION
Engine ECU
1. Technical description
• The light will light up when the glow lamp is in drive status or light out when it is in non-drive status.
<Description of malfunction>
• Disconnection, +B short-circuit or GND short-circuit is likely to have occurred in the glow light circuit.
2. DTC set condition
(1) DTC detection condition
<Glow light in non-drive status>
• Glow light in non-drive status
• Starter key "ON".
• Battery voltage is in the range of 10 to 16 V.
• The engine is stopped, or the engine speed remains at 500 r/min or more for 5 seconds or more.
<Glow light in drive status>
• Glow light in drive status
• Starter key "ON".
• Battery voltage is in the range of 10 to 16 V.
• The engine is stopped, or the engine speed remains at 500 r/min or more for 5 seconds or more.
(2) Judgement criteria
<Glow light in non-drive status>
• Voltage of the glow light circuit remains at 7 V or lower for 10 seconds or longer.
<Glow light in drive status>
• Voltage of the glow light circuit remains at 8.4 V or higher for 3 seconds or longer.
3. Reset condition
• After normal operation is restored.
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>
• Glow light fails to operate.
ENGINE (J05E)/TROUBLESHOOTING
20mA
J33
(GIND)
Glow indicator light
Combination meter
J04
(GLW-)
2–461
EN01H02127030602016073
SHTS021270300426