Short-Circuit Of The Intake Air Temperature Sensor Harness; Disconnection Of The Intake Air Temperature Sensor Harness - Hino Motors HINO 155 series Workshop Manual

4
Inspect for short-circuit of the intake air temperature sensor (intake manifold) harness
D
E63
Do the measurements meet the standard value?
Go to step 5.
5
Inspect disconnection of the intake air temperature sensor (intake manifold) harness
D
E63
Do the measurements meet the standard value?
Go to step 6.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
E76
2. Connect the signal check harness to the engine ECU vehicle side
harness. (Do not connect the harness to the ECU.)
3. Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness) and ground.
SHTS021270300176
Starter key: LOCK
YES
1. Connect the intake air temperature sensor (intake manifold) con-
nector.
E76
2. Use the electrical tester to measure the resistance between the
terminals of the engine ECU (signal check harness).
Starter key: LOCK
SHTS021270300177
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
THIA (E63) –
Ground
E2 (E76) – Ground
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
THIA (E63) –
E2 (E76)
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
2–193
Standard values
 
NO
Standard values
20 C {68 F}:
7.336 – 5.794 k
50 C {122 F}:
2.435 – 1.994 k
NO