Check The Engine Speed Main Sensor (Crankshaft Position Sensor) Signal - Hino Motors HINO 155 series Workshop Manual

6

Check the engine speed main sensor (crankshaft position sensor) signal

D
E52
0V
No pulse (No gear tooth)
Do the measurements meet the standard value?
Go to step 7.
ENGINE (J05E)/TROUBLESHOOTING
1. Connect the signal check harness to the engine ECU.
E72
2. Connect the engine speed main sensor (crankshaft position sen-
sor) connector.
3. Start the engine.
4. Use the oscilloscope to measure the signal voltage between the
terminals in the engine ECU (signal check harness).
SHTS021270300412
With engine idling
1 rotation
56 peaks (pulse)
YES
Measurement Tester
conditions connections
Engine ECU (sig-
nal check har-
ness)
NE+ (E52) –
NE- (E72)
Replace the engine speed main sensor
(crankshaft position sensor).
Perform "After-inspection work" of INFOR-
MATION section.
2–447
Standard values
Pulse 56
SHTS021270300413
NO