#
IDLE AIR CONTROL (IAC) [WITHOUT WU-TWC]

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## Outline

• The function of the IAC is essentially carried over from that of the previous Mazda 121 121DEMIO (DW) models except for the following:

  - Target engine speed is different in order to match the vehicle characteristics.

## Target Engine Speed

Condition | Idle speed (rpm)
--- | ---
ATX | MTX
P, N position | Except P, N position
No load | 700 | 650 (ZY) 675 (ZJ) | 700
A/C is operating. (Middle pressure switch OFF) | 700 | 650 (ZY) 675 (ZJ) | 700
A/C is operating. (Middle pressure switch ON) | 750 | 750 | 750
Electrical load is on.* | 750 | 750 | 750
P/S is operating. | 750 | 750 | 750

  * :
The headlight, rear defroster, blower fan (2-step or more), cooling fans No.1 and 2 are on.