Hino Motors HINO 155 series Workshop Manual page 468

2–432
7
Check the engine compression pressure
SST
Do the measurements meet the standard value?
Go to step 8.
8
Check the DTC detected (Engine ECU)
Has DTC (P0301, P0302, P0303 or P0304) been detected?
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
ENGINE (J05E)/TROUBLESHOOTING
Warm up the engine. (engine coolant temperature: 80 C {176 F}
1.
or more)
2. Stop the engine.
3. Remove the all injectors
4. Set the special service tool (SST) and measure the compression.
TO
ENGINE
Engine revolution: 150 r/min
SHTS021270300398
YES
Warm up the engine. (engine coolant temperature: 80 C {176 F}
1.
or more)
2. Stop the engine and the starter key to the "ON" position.
3. Select [Engine] and check if the DTC (P0301, P0302, P0303 or
P0304) has been detected.
SHTS021270300399
YES
Measurement conditions
Overhaul the engine.
Perform "After-inspection work" of INFOR-
MATION section.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
Standard values
3.2 – 3.4 MPa
2
{33 – 35 kgf/cm
}
Limit: 2.3 MPa {24 kgf/cm
NO
NO
2
}