Hino Motors HINO 155 series Workshop Manual page 295

11
Inspect for short-circuit of the engine coolant temperature sensor 2 harness
D
E57
E69
Do the measurements meet the standard value?
Go to step 12.
12
Inspect disconnection of the engine coolant temperature sensor 2 harness
D
E57
Do the measurements meet the standard value?
Go to step 13.
ENGINE (J05E)/TROUBLESHOOTING
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 engine ECU.)
3. Use the electrical tester to measure the resistance between the
terminals of the engine ECU and ground.
SHTS021270300238
Starter key: LOCK
YES
1. Connect the engine coolant temperature sensor 2 connector.
2. Use the electrical tester to measure the resistance between the
E69
terminals of the engine ECU (signal check harness).
Starter key: LOCK
SHTS021270300239
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
THW2 (E69) –
Ground
E3 (E57) – 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)
THW2 (E69) –
E3 (E57)
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
2–259
Standard values
 
NO
Standard values
20 C {68 F}:
2.59 – 2.32 k
80 C {176 F}:
0.326 – 0.310 k
NO