Hino Motors HINO 155 series Workshop Manual page 268

2–232
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.
SHTS021270300209
YES
1.
E2
2.
SHTS021270300210
YES
Set the starter key to the "LOCK" position.
Disconnect the connector of intake air temperature sensor (air flow
sensor built-in).
Measure the resistance between the terminals of the intake air
temperature sensor (built-in air flow sensor).
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 (built-in air flow sensor) (engine sub harness
side).
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