Kia 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. |
1.
Disconnect the battery negative terminal.
Tightening torque
:4.0 ~ 6.0N.m (0.4 ~ 0.6kgf.m, 3.0 ~ 4.4lb-ft)
2.
Remove th ...