Idle Speed: 626

Connect New Generation Star (NGS) scan tool to data link connector 2 located under left side of instrument panel, right of steering column. See Figure . Start engine and allow it to idle. Select PID/DATA MONITOR AND RECORD. Trigger function.
Select RPM and press trigger. Select START. See IDLE SPEED SPECIFICATIONS table. If idle speed is not within specification, select HDLMP under PID/DATA MONITOR AND RECORD. Trigger function. Verify HDLMP status changes from OFF to ON when operating stalk switch (passing position). If HDLMP status changes, go to next step. If HDLMP status does not change, see appropriate STEERING COLUMN SWITCHES article in the ACCESSORIES/SAFETY EQUIPMENT section.
Connect inductive-type tachometer. Select DIAGNOSTIC TEST MODES. Trigger function. Select KOER ON-DEMAND SELF-TEST. Trigger function. Operate stalk switch to high beam (passing) position. Once scan tool displays FOR EXAMPLE BOO, PSP AND TCS, wait 2 seconds and switch head lights to low beam. Repeat process 2 more times. Within 2 minutes, adjust idle speed to specification. See Fig 1 . See IDLE SPEED SPECIFICATIONS table.

IDLE SPEED SPECIFICATIONS

Application

Man. Trans. RPM

⁽¹⁾ Auto. Trans. RPM

B2500

⁽³⁾

B3000

⁽³⁾

B4000

⁽³⁾

Millenia

N/A

600-700

MPV

N/A

760-800

626

2.0L

550-850

500-800

2.5L

550-750

Protege ⁽²⁾

1.5L

650-750

700-800

1.8L

700-800

⁽¹⁾	Place automatic transmission in Park.

⁽²⁾	Connect a jumper wire between terminals TEN and GND at data link connector. See Figure .

⁽³⁾	Information not available at time of publication.

Fig 1: Rotating Air Adjusting Screw (Typical)

Courtesy of MAZDA MOTORS CORP.