Del Sol L4-1.6L SOHC (VTEC) (1994)
Idle Speed/Throttle Actuator - Electronic: Component Tests and General Diagnostics
1. With the engine fully warm, with no electrical load, note the idle speed.
2. Disconnect the 2 pin connector at the Idle Air Control Valve (IAC) valve.
3. Re-check idle speed.
If idle speed dropped when the IAC valve connector was disconnected, the IAC valve is working. If idle speed is out of specification go to the Idle
Control System Troubleshooting Guide