Inspect The Intake Air Temperature Sensor Power Supply; Inspect For Short-Circuit Of Intake Air Temper. Sensor Harness - Hino Motors HINO 155 series Workshop Manual

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5
Inspect the intake air temperature sensor (intake manifold) power supply
THA E2
Do the measurements meet the standard value?
Go to step 8.
6
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 7.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "ON" position.
2. Use the electrical tester to measure the voltage between the termi-
nals of the intake air temperature sensor (intake manifold) vehicle
side connector.
Starter key: ON
SHTS021270300166
YES
1. Set the starter key to the "LOCK" position.
E76
2. Connect the signal check harness to the engine ECU. (Do not con-
nect harness to the ECU.)
3. Use the electrical tester to measure the resistance between the
terminals of the engine ECU and ground.
SHTS021270300167
Starter key: LOCK
YES
Measurement Tester
conditions connections
Intake air tempera-
ture sensor (intake
manifold) vehicle
side connector
THA – E2
Go to step 6.
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.
Standard values
4.5 – 5.5 V
NO
Standard values
 
NO