Hino Motors HINO 155 series Workshop Manual page 781

3
Inspect the sensor power supply
E68
C
E56
E13
E65
E64
E33
Do the measurements meet the standard value?
Go to step 4.
ENGINE (J05E)/TROUBLESHOOTING
1. Set the starter key to the "LOCK" position.
D E49
2. Connect the signal check harness to the engine ECU.
3. Disconnect the common rail pressure sensor connector.
4. Set the starter key to the "ON" position.
E76
5. Use the electrical tester to measure the voltage between the termi-
nals of the engine ECU (signal check harness).
SHTS021270300677
starter key: ON
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
VC (E13) – E1
(E56)
PCR1 (E49) – E1
(E56)
PC1S (E68) – E1
(E56)
VC2 (E33) – E2
(E76)
PCR2 (E64) – E2
(E76)
PC2S (E65) – E2
(E76)
Replace the engine ECU.
Perform "After-inspection work" of INFOR-
MATION section.
2–745
Standard values
4.5 – 5.5 V
NO