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Kia Forte: Cruise Control Switch Inspection - Cruise Control System - Engine Electrical System - Kia Forte TD 2014-2018 Service ManualKia Forte: Cruise Control Switch Inspection

Second generation YD (2014-2018) / Kia Forte TD 2014-2018 Service Manual / Engine Electrical System / Cruise Control System / Cruise Control Switch Inspection

[Measuring Resistance]
1.
Check for resistance between terminals in each switch position.

Function
switch
 Connector
terminal
 Resistance
(±5%)
CANCEL
 2-7
 180 Ω
SET-
 2-7
 330 Ω
RES+
 2-7
 550 Ω
CRUISE
 2-7
 880 Ω

[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
 Connector
terminal
 Voltage (V)
CANCEL
 2-7
 0.61 ~ 0.91
SET-
 2-7
 1.04 ~ 1.44
RES+
 2-7
 1.55 ~ 1.99
CRUISE
 2-7
 2.24 ~ 2.44

3.
If not within specification, inspect the control switch resistance.
The measuring resistance value is not within specification, replace the switch and measure the voltage again.
4.
If resistance is OK but, measuring voltage is not within specification, inspect the wiring harness and connectors between the switch and the ECM.
Cruise Control Switch Circuit Diagram
...

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