Hyundai Tucson: Cruise Control System / Cruise Control Switch Repair procedures

Hyundai Tucson (LM) 2010-2015 Service Manual / Engine Electrical System / Cruise Control System / Cruise Control Switch Repair procedures

Removal and Installation

1.	Disconnect the battery negative terminal.

2.	Remove the driver airbag module. (Refer to Restraint - "Driver Airbag (DAB) Module and Clock Spring")

3.	Remove the steering wheel. (Refer to Steering System - "Steering Column and Shaft")

4.	Remove the steering wheel cover (A) after loosening the screws.

5.	Disconnect the cruise control switch connector (A).

Remove the cruise control switch (A).

Be careful not to damage the hook when removing the switch.

7.	Installation is reverse order of removal.

Inspection

Measuring Resistance

1.	Disconnect the cruise control switch connector from the control switch.

Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed).

Function switch	Terminal	Resistance
CANCEL	6 - 7	0x ± 1%
SET/–	6 - 7	220x ± 1%
RES/+	6 - 7	910x ± 1%
ON/OFF	7 - 8	3900x ± 1%

3.	If not within specification, replace switch.

Measuring Voltage

1.	Connect the cruise control switch connector to the control switch.

Measure voltage between terminals on the harness side connector when each function switch is ON (switch is depressed).

Function switch	Terminal	Voltage
CANCEL	6 - 7	0V ~ 0.22V
SET/–	6 - 7	1.28V ~ 1.77V
RES/+	6 - 7	2.78V ~ 3.22V
ON/OFF	-	-

3.	If not within specification, replace switch.

Cruise Control Switch Schematic Diagrams

Circuit Diagram ...

Emission Control System

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