Idle Speed: Adjustments

NOTE: Before adjusting the idle speed, ensure the ignition timing is adjusted to specification.

1. Turn OFF all lamps and other electrical loads. This adjustment must be done when the cooling fan motor is not operating. Connect Rotunda 88 Digital Multimeter 105-R0053 or equivalent with inductive pickup attached to the number one spark plug wire.

Data Link Connector:

2. Ground the PCM STI (TEN) pin at the Data Link Connector (DLC).
3. Start the engine. Run the engine until it reaches the operating temperature.
4. Make a note of the idle speed.

Adjustment Screw:

5. Adjust the idle speed adjustment screw for the correct idle speed. The idle speed specifications should be as follows:
- 650-750 RPM (manual transaxle in NEUTRAL position)
- 700-800 RPM (automatic transaxle in PARK [P] position)
6. Turn the engine OFF and allow the engine to cool.
7. Remove the ground from the PCM ST (TEN) pin at the DLC.
8. After the engine has cooled, start and run the engine until it reaches operating temperature and ensure the idle speed is to specification.