COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-M17
• *1: Very occasionally, it does not shift from 3 to 2. If there is an engine malfunction on the status above,
perform the forced-relearning.
• *2: As the following value of A varies depending on pump, the table above is for guideline. If the value of
A has a wider gap than the initial learning value, there may be out of the range of the above table.
A net normal value is the value that provided by the forced-learning several times: Compared with A
12 V spec: A - 100 ≤ normal value ≤ A + 50
The current shall be used as a reference (guideline) only as this value varies depending on the pump
used.
Classification Signal Name Unit
Engine
Stops
During
Start-Up
Idling
During
Accelera-
tion
During
No-load
Maximum
Speed
Out-
put
Basic
control
signal
Final fuel injection
quantity
mm
3
/st
0
(Indication
value - 50)
0 → 80
(Ordinary
tempera-
ture)
Approx. 12
(After
warm-up)
Approx.
12→75
(After
warm-up)
Approx. 30
(After
warm-up)
Target rail pressure MPa
Depends on the rotation speed, load (After warm-up)
When idling: Approx. 40 to 50 MPa
(410 to 500 kgf/cm
2
, 5800 to 7200 psi)
During no-load maximum speed: 95.0 to 115 MPa
(969 to 1170 kgf/cm
2
, 13800 to 116600 psi)
During acceleration: 95.0 to 130 MPa
(969 to 1320 kgf/cm
2
, 13800 to 18800 psi)
Actual rail pressure
Mpa
MPa –
Approx. the same as the target value
(Follow to the target value)
Rail pressure sensor
output voltage
V
Depends on the rotation speed, load (After warm-up)
When stopped: Approx. 1.0 V
When idling: 1.65 to 1.80 V
During no-load maximum speed: 2.50 to 2.85 V
During acceleration: 2.5 to 3.3 V
Target suction control
valve (SCV) current
mA –
1700 to
2000
Approx.
1800
Approx.
1400
Approx.
1600
Actual suction control
valve (SCV) current
mA
Approx. the same as the target value
(Follow to the target value)
Pump learning
condition
–
Normally 2 or 3*
1
Indicates the following depending on the learning status: 255
(Default value), 1 (Provisional learning completion), 0 (Actual
learning), 2 (Actual learning completion), 3 (Relearning)
Pump difference
learning correction
value
mA ±200 mA (Guideline *
2
)
Engine stop flag – ON OFF OFF OFF OFF
Low temperature start
mode flag
– OFF ON OFF OFF OFF
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