Inspect For Short-Circuits In Wire Harness Of Fuel Temperature Sensor; Inspect Disconnection Of The Fuel Temperature Sensor Harness - Hino Motors HINO 155 series Workshop Manual

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5

Inspect for short-circuits in wire harness of fuel temperature sensor

D
E76
Do the measurements meet the standard value?
Go to step 6.
6

Inspect disconnection of the fuel temperature sensor harness

D
E76
Do the measurements meet the standard value?
Go to step 7.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
E48
2. Connect the signal check harness to the engine ECU vehicle side
harness. (Do not connect the harness to the ECU.)
3. Use the electrical tester to measure the resistance between the
terminal of the engine ECU (signal check harness) and ground.
SHTS021270300282
Starter key: LOCK
YES
1. Connect the connector of the fuel temperature sensor.
2. Use the electrical tester to measure the resistance between the
E48
terminals of the engine ECU (signal check harness).
Starter key: LOCK
SHTS021270300283
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
THF (E48) –
Ground
E2 (E76) – 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)
THF (E48) –
E2 (E76)
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
Standard values
 
NO
Standard values
20 C {68 F}:
2.32 – 2.59 k
80 C {176 F}:
0.310 – 0.326 k
NO