ENGINE (J05E)/TROUBLESHOOTING
2–234
1.
Connect the intake air temperature sensor connector.
2.
Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness).
NO
YES
1.
Warm up the engine. (engine coolant temperature: 80
C {176
F}
or more)
2.
Stop the engine and set the starter key to the "LOCK" position.
3.
Connect the vehicle to HINO DX
Ⅱ
.
4.
Set the starter key to the "ON" position.
5.
Select [Engine] and check if the DTC (P0112 or P0113) has been
detected.
NO
YES
6
Inspect for disconnection in wire harness of intake air temperature sensor
D
E58
E47
SHTS021270300212
Measurement
conditions
Tester
connections
Standard values
Starter key: LOCK
Engine ECU (sig-
nal check har-
ness)
THA (E47)
–
E5 (E58)
20
C {68
F}:
2.69
–
2.21 k
60
C {140
F}:
0.667
–
0.493 k
Do the measurements meet the standard value?
Go to step 7.
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
7
Check the DTC detected (Engine ECU)
SHTS021270300213
Has DTC (P0112 or P0113) been detected?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
