Check The Dcu (Terminating Resistance) - Hino Motors HINO 155 series Workshop Manual

2–80
4

Check the DCU (terminating resistance)

ISGW
LES
TE2A
LF3
TE2B CAL0
LF4 LEZ
CAL1
TE1A CAH0
LF1 LEY
TE1B
LF2
CAL1
LF6
CAH1
LF5
CAH1
+B4 +B1 GND3
LER LEN LEV
+B3 GND5 GND2
LEQ LEX LEU
+B2 GND4 GND1
LEP LEW LET
Do the measurements meet the standard value?
Go to step 5.
ENGINE (J05E)/TROUBLESHOOTING
1. Use the electrical tester to measure the terminating resistance of
DCU (53P).
Starter key: ON
SHTS021270300063
YES
Measurement Tester
conditions connections
DCU (53P):
CAH1 – CAL1
Replace the DCU.
After replacing the DCU, confirm that no CAN
communication system DTC is detected.
Perform After-inspection work. (Clear all past
DTC. Check no DTC is stored after test
drive.)
Standard values
120  10 
NO