Hino Motors HINO 155 series Workshop Manual page 560

2–524
5
Check for short-circuit in wire harness of EGR cooler outlet temperature sensor
D
E45
Do the measurements meet the standard value?
Go to step 6.
6
Check for disconnection in wire harness of EGR cooler outlet temperature sensor
D
E45
Do the measurements meet the standard value?
Go to step 7.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
2. Connect the signal check harness to the engine ECU vehicle side
E77
harness. (Do not connect the harness to the ECU.)
3. Use the electrical tester to measure the resistance between the
EGR cooler outlet temperature sensor terminals and ground.
SHTS021270300485
Starter key: LOCK
YES
1. Connect the EGR cooler outlet temperature sensor connector.
2. Use the electrical tester to measure the resistance between the
E77
terminals of the engine ECU (signal check harness).
Starter key: LOCK
SHTS021270300486
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
THG (E45) –
Ground
E4 (E77) – 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)
THG (E45) –
E4 (E77)
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
Standard values
 
NO
Standard values
50 C {122 F}:
7.4 – 19.6 k
100 C {212 F}:
3.0 – 6.2 k
150 C {302 F}:
1.5 – 2.6 k
NO