DEF SCR SYSTEM (DCU)
5–61
INSPECTION PROCEDURE: P060C
1.
Connect the vehicle to Hino-DX.
2.
Set the starter switch to the "ON" position.
3.
Select [DCU] and check if Hino-DX is communicating with the
DCU.
4.
Erase the malfunction history.
5.
Set the starter switch to the "LOCK" position.
6.
Check if the DCU main relay is OFF in the Hino-DX menu. (This
cuts off the communication between Hino-DX and the DCU.)
NOTICE
•
The main relay turns OFF 1 minute after the exhaust gas tem-
perature (SCR inlet) drops below 200 °C {392 °F}.
7.
Set the starter switch to the "ON" position.
8.
Select [DCU] and check if P060C has been detected in [Fault
Information].
NO
YES
1
Check the DTC detected (DCU) [Hino-DX]
Select
DCU
When communicat-
ion with the DCU is
interrupted while
the DCU is connec-
ted to the Hino-DX,
the connection
symbol at the left
bottom of the Hino-
DX screen (figure
on the left) becom-
es disconnected.
SAPH16F020400045
Has DTC P060C 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 and recheck
the DTC.
Perform "After-inspection work" of INFOR-
MATION section.
Summary of Contents for 238
Page 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Page 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Page 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Page 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...
