Inspect The Egr Cooler Outlet Temperature Sensor Power Supply; Short-Circuit Of The Egr Cooler Outlet Temperature Sensor Harness - Hino Motors HINO 155 series Workshop Manual

5

Inspect the EGR cooler outlet temperature sensor power supply

E2 THG
Do the measurements meet the standard value?
Go to step 8.
6
Inspect for short-circuit of the EGR cooler outlet temperature sensor harness
D
E45
E77
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 EGR cooler outlet temperature sensor vehicle side con-
nector.
Starter key: ON
SHTS021270300474
YES
1. Set the starter key to the "LOCK" position.
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 EGR cooler outlet temperature sensor and
ground.
SHTS021270300475
Starter key: LOCK
YES
Measurement Tester
conditions connections
EGR cooler outlet
temperature sen-
sor vehicle side
connector
THG – E2
Go to step 6.
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
THG2 (E45) –
Ground
E4 (E77) – Ground
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
2–513
Standard values
4.5 – 5.5 V
NO
Standard values
 
NO