Isuzu 4HL1, Руководство по ремонту

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1A-70 Engine Control System
Coolant Temperature °C
Normal running phase:
55
Startup phase: –20
(DTC23 is detected)
80 (DTC84 is detected)
80 ~ 85
(The value will change
depending on
temperatures around
the engine)
IAT Sensor (Intake Air Temperature) V —
2.3 ~ 2.4
(The value will change
depending on
temperatures around
the engine)
Intake Air Temperature °C
Normal running phase:
25
Startup phase: –20
(DTC22 is detected)
29 ~ 30
(The value will change
depending on
temperatures around
the engine)
Fuel Temperature Sensor V —
1.2 ~ 1.3
(The value will change
depending on
temperatures around
the engine)
Fuel Temperature °C
Normal running phase:
40
Startup phase: –20
(DTC211 is detected)
80 (DTC84 is detected)
50 ~ 53
(The value will change
depending on
temperatures around
the engine)
Barometric Pressure Sensor V —
Approx. 3.6
(The value will change
depending on the
barometric pressure)
Barometric Pressure kPa
100 (DTC61 or DTC84 is
detected)
100
(The value will change
depending on the
barometric pressure)
Desired Rail Pressure MPa
60 or less (DTC115,
DTC118, DTC227,
DTC245, or DTC247 is
detected)
Approx. 31.4
Actual Rail Pressure MPa — Approx. 31.0 ~ 32.0
Common Rail Pressure Sensor V — Approx. 1.5
SCV Duty Ratio % — Approx. 50
SCV Current mA — Approx. 1015 ~ 1038
EGR Duty Cycle % — Approx. 13 ~ 17
EGR Position Sensor V — Approx. 3.6
EGR Target Lift Position mm — Approx. 9.5
EGR Current Position mm — Approx. 9.5
Intake Throttle Valve V — Approx. 0.8
Actual Intake Throttle position °CA — Approx. 6.8
Desired Intake Air Throttle Position °CA — Approx. 6
Tech 2 Data Display Units displayed Fail-safe values Values at idling