HINO 268 P081B Trouble Description
• Harness +B short-circuit is detected.
2. DTC set condition
(1) DTC detection condition
• Request for deactivation of starter block is in progress (while engine is stopped).
• Starter switch ON.
• Battery voltage is 10 V – 16 V.
Above conditions continue for at least 5 seconds.
(2) Judgement criteria
• Output of the starter cut relay remains at 10 V or more for 3 seconds or longer.
3. Reset condition
• After restoration to normal condition.
4. Indication, warning or system control regulation when the DTC is set.
• MIL: OFF
• Diag lamp: 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>
• Starter may not turn over. (If the starter turns over it will not interfere with engine operation.)
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
• Harness disconnection or short-circuit
• Looseness or poor contact of connector
• Starter cut relay failure
• Engine ECU failure
• Harness +B short-circuit is detected.
2. DTC set condition
(1) DTC detection condition
• Request for deactivation of starter block is in progress (while engine is stopped).
• Starter switch ON.
• Battery voltage is 10 V – 16 V.
Above conditions continue for at least 5 seconds.
(2) Judgement criteria
• Output of the starter cut relay remains at 10 V or more for 3 seconds or longer.
3. Reset condition
• After restoration to normal condition.
4. Indication, warning or system control regulation when the DTC is set.
• MIL: OFF
• Diag lamp: 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>
• Starter may not turn over. (If the starter turns over it will not interfere with engine operation.)
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
• Harness disconnection or short-circuit
• Looseness or poor contact of connector
• Starter cut relay failure
• Engine ECU failure
