Mazda premacy - Idle Air Control (Iac); Outline; Egr Control; Operation Conditions

Form No.3351-1A-01A
F1-21
IDLE AIR CONTROL (IAC)
OUTLINE
D The IAC of the PREMACY FP engine model is the same as that of the 323 (BJ) FP engine models.
Idle Speed
D A comparison of the idle speeds for PREMACY FP engine model and the 323 (BJ) FP engine models is as
shown in the following table.
Idle speed (rpm)
Condition PREMACY
323 (BJ)
MTX ATX
323 (BJ)
No load 700
A/C is operating.
*1
750
Electrical load is on
Within 30AĊ40A 750 700
Electrical load is on
.
40A or above
*2
750 700
P/S is operating.
(Steering wheel is rotating.)
750
*1
: A/C switch and fan switch are on.
*2
: Headlight is on, Fan switch is above 1st, Cooling fan is operating, and Rear window defroster is on.
EGR CONTROL
OUTLINE
D The EGR control of the PREMACY FP engine model is essentially carried over from the 323 (BJ) FP engine
models except for operation conditions.
D The EGR control of the PREMACY FP engine model is the same as that of the 323 (BJ) FP engine models.
OPERATION CONDITIONS
D The EGR control carries out the EGR operation when all of the following conditions are satisfied:
(1) Except cranking
(2) Except idling
(3) Engine speed is between 1000 rpm and 4093 rpm.
(4) Except heavy load volume increase zone (fuel injection control)
(5) Vehicle speed is above 3.8 km/h {2.4 MPH}.