DEF SCR SYSTEM (DCU)
5–73
INSPECTION PROCEDURE: P0669
1.
Set the starter switch to the "LOCK" position.
2.
Connect the vehicle to Hino-DX.
3.
Set the starter switch to the "ON" position.
4.
Select [DCU] and check if P0669 has been detected in [Fault Infor-
mation].
NO
YES
1
Check the DTC detected (DCU) [Hino-DX]
Select
DCU
SAPH16F020400049
Has DTC P0669 been detected?
Replace the DCU. (After replacing the DCU,
perform a DPR forced regeneration.)
Perform "After-inspection work" of INFOR-
MATION section.
Erase the malfunction history. Procedure
completed.
Perform "After-inspection work" of INFOR-
MATION section.
Содержание 238
Страница 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Страница 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Страница 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Страница 327: ...ENGINE CONTROL SYSTEM J08E 4 1104 EGR valve malfunction Clogged air intake system VNT controller malfunction ...
Страница 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...