ENGINE CONTROL SYSTEM (J08E)
4–1286
SCV FREE ACCELERATION TEST
<Engine speed pattern>
1.
After engine has reached operating temperature (more than 82
C
{179.6
F}).
2.
After air compressor completed building pressure.
3.
A/C, Head lights off.
4.
All devices off. (PTO, Refrigeration compressor. etc)
5.
Control the engine revolution by means of operating Cruise Con-
trol system.
<Acceleration pattern>
1.
After engine has reached operating temperature (more than 82
C
{179.6
F}).
2.
After air compressor completed building pressure.
3.
A/C, Head lights off.
4.
All devices off. (PTO, Refrigeration compressor. etc)
5.
Check that actual common rail pressure following target.
1
Test method
750r/min
- Measure each engine
speed for 20 seconds.
Time
Eng
ine s
p
eed
Engine speed pattern
1000 r/min
1500 r/min
2500 r/min
2000 r/min
SAPH16F010301010
0%
100%
20sec
20sec
Time
T
h
ro
ttl
e
o
p
eni
ng
Acceleration pattern
At least three times, repeating the Wide-Open Throttle
SAPH16F010301011
2
Types of Hino-DX data to be measured
Summary of Contents for 238
Page 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Page 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Page 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Page 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...
