IDLE SPEED ADJUSTMENT [ZJ, ZY (WITHOUT WU-TWC)]

Caution

• Changing the TAS while attempting to adjust the idle speed could cause an engine malfunction. Do not change the TAS adjustment position.

1. Complete the engine tune-up preparation.

2. Verify that the ignition timing is within the specification. (See IGNITION TIMING INSPECTION [ZJ, ZY].)

3. Verify that the idle speed is within the specification using the RPM DATA MONITOR function.

• If not within the specification, adjust the idle speed to within the specification by turning the AAS after verifying that the ignition timing is within the specification.

650-750 rpm