Idle Speed: Adjustments

ENGINE TUNE-UP [KL]
Engine Tune-up Preparation
1. Warm up the engine to the normal operating temperature.
2. Shift transaxle into Neutral (MTX) or P position(ATX).
3. Turn off all electrical loads.
- Headlight
- Blower motor
- Rear window defroster
- Power steering
4. Verify that the battery is fully charged.





5. Connect the SSTs (NGS tester) to the data link connector and select the "PID/DATA MONITOR AND RECORD" function and press TRIGGER.
6. Select "RPM" and press TRIGGER.
7. Wait until the electrical fan stops.
8. Select "START" to begin.

Idle Speed Adjustment
1. Select "HDLMP" in the "PID/DATA MONITOR AND RECORD" and press the TRIGGER.
2. Verify that the "HDLMP" status changes from OFF to ON when the headlight switch is turned to the passing position.
- If it does not change, inspect following harnesses, connectors and terminals of the headlight signal circuit.
a. From battery to combination switch
b. From combination switch to PCM
3. Connect the inductive pick-up type tachometer to the high tension lead.

Note: The inductive pick-up type tachometer may indicate double engine speed.

4. Select the "DIAGNOSTIC TEST MODES" and press the TRIGGER.





5. Select the "KOER ON-DEMAND SELF-TEST" and press the TRIGGER.
6. Turn the headlight switch to the passing position more than three times while each "passing" for 2 seconds after the "FOR EXAMPLE BOO, PSP AND TCS" is displayed.
7. Make sure the engine speed is fixed.

Caution: The throttle adjusting screw is set at the factory and must not be adjusted. Any adjustment may affect engine performance.





8. Adjust the idle speed to the following specifications by turning the air adjusting screw within 2 minutes after the headlight switch is turned to classing position more than three times.
Specification 550 - 750 (650 ±100) rpm