ENGINE CONTROL SYSTEM (J08E)
4–1262
INSPECTION PROCEDURE: P259E
1.
Connect the vehicle to Hino-DX.
2.
Set the starter switch to the "ON" position.
3.
Check if any DTC other than P259E (for example, U010C) has
been detected.
HINT
Due to CAN communication failures, P259E may have been
detected.
NO
YES
1.
Set the starter switch to the "ON" position.
2.
Select [Engine] and check if P259E has been detected in [Fault
Information].
NO
YES
1
Check the DTC detected 1 (Engine ECU) [Hino-DX]
Select
Engine
SAPH16F010300986
Has a DTC other than P259E been detected?
Go to the diagnostic procedure of a related
DTC.
After repair, go to step 2.
Go to step 3.
2
Check the DTC detected 2 (Engine ECU) [Hino-DX]
Select
Engine
SAPH16F010300987
Has DTC P259E been detected?
Go to step 3.
Procedure completed.
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 ...
