Hino Motors HINO 155 series Workshop Manual page 605

5
Inspect for disconnection in wire harness of vehicle speed signal circuit
V14
SPD2
Do the measurements meet the standard value?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
A
2. Disconnect the combination meter connector.
3. Connect the signal check harness to the engine ECU vehicle side
harness. (Do not connect the harness to the ECU.)
4. Use the electrical tester to measure the resistance between the
combination meter vehicle side connector terminal and engine
ECU (signal check harness) terminal.
SHTS021270300520
Starter key: LOCK
YES
Measurement Tester
conditions connections
Combination
meter vehicle side
connector –
engine ECU (sig-
nal check har-
ness)
SPD2 – V14 (SP1)
Repair or replace the harness.
Perform "After-inspection work" of INFOR-
MATION section.
2–569
Standard values
Less than 1 
NO