Check The Power Supply Of All Sensors - Hino Motors HINO 155 series Workshop Manual

6

Check the power supply of all sensors

B C
V51
E33
Do the measurements meet the standard value?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
1.
D
2.
E53 E56
3.
4.
SHTS021270300607
YES
Set the starter key to the "LOCK" position.
Connect the signal check harness to the engine ECU.
Set the starter key to the "ON" position.
Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness).
Measurement
conditions
Engine ECU (sig-
nal check har-
ness)
(+) – (-)
VC2 (E33) – E1
Starter key: ON
(E56)
VCG (E53) – E1
(E56)
VCP2 (V51) – E1
(E56)
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
Tester
Standard values
connections
4.9 – 5.1 V
NO
2–665