Short-Circuit In Wire Harness Of Engine Coolant Temperature Sensor 2; Disconnection In Wire Harness Of Engine Coolant Temperature Sensor 2 - Hino Motors HINO 155 series Workshop Manual

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11
Check for short-circuit in wire harness of engine coolant temperature sensor 2
D
E57
E69
Do the measurements meet the standard value?
Go to step 12.
12
Check for disconnection in wire harness of engine coolant temperature sensor 2
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 vehicle side
harness. (Do not connect harness to the ECU.)
3. Use the electrical tester to measure the resistance between each
terminal in the engine ECU (signal check harness) and ground.
SHTS021270300221
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
SHTS021270300222
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.
Standard values
 
NO
Standard values
20 C {68 F}:
2.59 – 2.32 k
80 C {176 F}:
0.326 – 0.310 k
NO