Prizm L4-1600cc 1.6L DOHC VIN 5 (1989)
Idle Speed: Adjustments
Tachometer Connections
Adjusting Idle Speed
1.
Run engine until operating temperature is reached.
2.
Turn all accessories "OFF."
3.
Connect a tachometer to the IG terminal in the diagnostic connector.
4.
Adjust idle speed by turning the adjusting screw. Refer to SPECIFICATIONS for proper value.