Cruise Control System: Other Kia Optima I

CONDITION

1. Turn A/C and all lights OFF. Inspect and adjust at no load.
2. Warm engine until stabilized at idle. Confirm idle speed is at specified RPM.
3. Then, ignition switch OFF.

1. Confirm there are no sharp bends in cables.
2. Depress the accelerator pedal and check if the throttle lever moves smoothly from fully closed to fully open.
3. Check inner cables for correct slack.
4. If there is too much slack or no slack, adjust play by the following procedures.

SERVICE HINT

1. If the cable is very loose, the loss of speed going uphill will be large.
2. If the cable is too tight, the idle RPM will become high.

Scheme 10

Scheme 11

1. Operate the switch, and check for the continuity between the terminals.
2. If continuity is not as specified, replace the switch. (Scheme 10): Checking Cruise Control Main Switch Continuity (Scheme 11): Identifying Cruise Control Main Switch Connector Terminals

STOP LAMP SWITCH

After operating the stop lamp switch, check for continuity between the terminals.

Checking Stop Lamp Switch Continuity. Scheme 12

Identifying Stop Lamp Switch Connector Terminals. Scheme 13