Idle/Throttle Speed Control Unit: Adjustments

Idle Speed Control Actuator Adjustment:

PROCEDURE:

- Before adjusting ISC actuator you must first check the minimum idle speed to be within specifications. Refer to SPECIFICATIONS/IDLE SPEED. (ISC actuator must have vacuum applied so that it is not contacting the throttle lever.) See image VIEW A.
- Remove vacuum hose on ISC actuator on warm engine.
- Adjust ISC actuated idle speed to 1300 +/- 50 RPM. See image VIEW B.
- Install vacuum hose.