Hino Motors HINO 155 series Workshop Manual page 300

2–264
3
Inspect the intake air temperature sensor unit
E2
Do the measurements meet the standard value?
Go to step 4.
4 Inspect the intake air temperature sensor power supply
THA
Do the measurements meet the standard value?
Go to step 7.
ENGINE (J05E)/TROUBLESHOOTING
1.
THA
2.
3.
SHTS021270300242
YES
1.
E2
2.
SHTS021270300243
YES
Set the starter key to the "LOCK" position.
Disconnect the intake air temperature sensor (air flow sensor) con-
nector.
Measure the resistance between the terminals of the sensor using
the electrical tester.
Measurement
conditions connections
Intake air tempera-
Starter key: LOCK ture sensor
THA – E2
Replace the intake air temperature sensor.
Perform "After-inspection work" of INFOR-
MATION section.
Set the starter key to the "ON" position.
Measure the voltage between the terminals of the intake air tem-
perature sensor vehicle side connector using the electrical tester.
Measurement
conditions connections
Intake air tempera-
ture sensor vehi-
Starter key: ON
cle side connector
THA – E2
Go to step 5.
Tester
Standard values
20 C {68 F}:
2.69 – 2.21 k
60 C {140 F}:
0.667 – 0.493 k
NO
Tester
Standard values
4.5 – 5.5 V
NO