Kia Optima Manuals

Kia Optima: Inspection - Cruise Control Switch. Repair procedures - Cruise Control System - Engine Electrical System - Kia Optima TF 2011-2021 Service ManualKia Optima: Inspection

Measuring Resistance

1. Disconnect the cruise control switch connector from the control switch.
2. Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed).

Function switch
 Terminal
 Resistance
CANCEL
 3 - 4
 180Ω ± 5%
SET/–
 3 - 4
 330Ω ± 5%
RES/+
 3 - 4
 550Ω ± 5%
ON/OFF
 3 - 4
 880Ω ± 5%

3. If not within specification, replace switch.
Measuring Voltage
1. Connect the cruise control switch connector to the control switch.
2. Measure voltage between terminals on the harness side connector when each function switch is ON (switch is depressed).

Function switch
 Terminal
 Voltage
CANCEL
 3 - 4
 0.76V ± 0.1V
SET/–
 3 - 4
 1.24V ± 0.15V
RES/+
 3 - 4
 1.77V ± 0.2V
ON/OFF
 3 - 4
 2.34V ± 0.22V

3. If not within specification, replace switch.
Removal and Installation
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Emission Control System
...

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