Base Idle Speed

Idle Air Adjusting Unit:

Disconnect the Idle Air Control-Auxiliary Air Control Valve (IACV-AAC) harness connector.
Adjust idle speed by turning idle speed adjusting screw.

^ Automatic Transmission: 700 rpm (in "N" position)
^ Manual Transmission: 650 rpm (in neutral position)

When idle speed is set, reconnect IACV-AAC valve.