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 ...
See also:
Water pump. Troubleshooting
...
Lumbar support (for driver’s seat)
Press the front portion of the switch to increase support, or the rear portion
of the switch to decrease support. ...
Inspection
1.
Measure terminal-to-terminal
resistance of the blower resistor.
2.
measured resistance is not within
specification, the blower resistor must be replaced. (After re ...