Idle Speed: Adjustments

PREPARATION

Diagnosis Connector:

1. Warm engine to operating temperature.
2. Turn all electrical loads "OFF."
3. If using Mazda System Selector (SST #49 B019 9A0), connect to diagnosis connector. Set switch "A" to position "1" and test switch to "SELF-TEST" position.
4. Connect tachometer.

NOTE: If Mazda SST is not used, install a jumper wire between diagnosis connector "TEN" and ground terminals.

ADJUSTMENT

Idle Speed Adjustment:

1. After preparation, check idle speed for these specifications:

A/T CANADIAN MODELS: 800 ± 50 rpm
OTHERS: 750 ± 50 rpm

NOTE: Check idle speed when electric cooling fan is not operating.

2. If idle speed is not within specification, correct with air adjust screw.
3. Following adjustment, disconnect SST or remove jumper wire.