Check Short-Circuit In Wire Harness Of Exhaust Gas Temperature Sensor - Hino Motors HINO 155 series Workshop Manual

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4
Inspect the sensor power supply
GND
Do the measurements meet the standard value?
Go to step 7.
5
Check short-circuit in wire harness of exhaust gas temperature sensor (DOC1 inlet)
E43
D
Do the measurements meet the standard value?
Go to step 6.
ENGINE (J05E)/TROUBLESHOOTING
1.
TOIL
2.
SHTS021270300546
YES
1.
E58
2.
3.
SHTS021270300547
YES
Set the starter key to the "ON" position.
Use the electrical tester to measure the voltage between the termi-
nals of the exhaust gas temperature sensor (DOC1 inlet).
Measurement
conditions connections
Exhaust gas tem-
perature sensor
Starter key: ON (DOC1 inlet) vehi-
cle side connector
TOIL – GND
Go to step 5.
Set the starter key to the "LOCK" position.
Connect the signal check harness to the engine ECU vehicle side
harness. (Do not connect the harness to the ECU.)
Use the electrical tester to measure the resistance between the
engine ECU (signal check harness) terminals and ground.
Measurement
conditions connections
Engine ECU (sig-
nal check har-
ness)
Starter key: LOCK
THO1 (E43) –
Ground
E5 (E58) – Ground
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
Tester
Standard values
4.5 – 5.5 V
NO
Tester
Standard values
 
NO