P0617: Starter Key - Rationality; Dtc: P0617 - Hino Motors HINO 155 series Workshop Manual

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DTC: P0617

P0617: Starter key - rationality

INFORMATION
+B
+B
ST
Ignition switch Neutral start switch
1. Technical description
- Engine ECU detects the starter signal while the engine is running (START position signal).
<Description of malfunction>
- +B short-circuit has occurred in the starter key.
2. DTC set condition
(1) DTC detection condition
- Battery voltage is in the range of 10 V to 16 V
- Engine speed is 1,100 r/min or more.
(2) Judgement criteria
• The starter key remains ON for 30 seconds or longer.
3. Reset condition
• After normal operation is restored and engine is restarted after engine stall.
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.
8. Estimated failure factors
• Malfunction of starter key.
• Harness disconnection or short-circuit.
ENGINE (J05E)/TROUBLESHOOTING
ST1 STA
Engine
ECU
+B
Starter relay
Fuse
+ST
STCR
Starter cut relay
EN01H02127030602016103
To starter
SHTS021270300576