Kia Cadenza YG: Multifunction switch / Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / Multifunction switch / Repair procedures

Inspection
Lighting Switch Inspection
With the multi function switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the multi-function switch.

Lighting Switch (Auto Light)

Lighting Switch

Dimmer And Passing Switch

HU : Head lamp high beam
HL : Head lamp low beam
P : Head lamp passing switch
Turn Signal Switch

Front Fog Lamp Switch

Front & Rear Fog Lamp Switch

Wiper And Washer Switch Inspection
With the multi function switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the multi-function switch.

Wiper Switch

Washer Switch

Inspection (With GDS)
1.
Check BCM input/output specification of multifunction switch using the GDS. If the specification is abnormal, replace the lamp or wiper switch.
2.
If diagnosis is required on the multifunction switch, select model and "IPM".
3.
To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of power supply, turn signal/brake lamp, headlamp, door, locks, outside mirror, wiper, auto-light and transmitters etc.

4.
To perform compulsory operation on BCM input factors, select "ACTUATION TEST".

Removal
1.
Remove the steering column upper and lower shrouds after removing 3 screws.

2.
Disconnect the lighting switch connector (A) and wiper & washer switch connector (B).

3.
If necessary of removing the wiper & washer switch (A), release the lock of wiper switch using tool without removing the steering wheel and the clock spring.

   
When removing the wiper & washer switch only, release the lock of wiper switch without removing the steering wheel.
4.
Remove the steering wheel.
(Refer to Steering System - "Steering Column & Shaft")
5.
Remove the clock spring.
(Refer to Restraint - "Airbag Module")
6.
Remove the multifunction switch assembly (A) after loosening the mounting screws (2EA).

Installation
1.
Install the multifunction switch.
2.
Install the clock spring and steering.
3.
Install the steering column upper and lower shrouds.
4.
Install the steering wheel.
   
Make sure the multifunction switch connectors are plugged in properly.

    Component (1) 1. Steering column2. Lighting switch3. Wiper switch4. Screw5. Steering angle sensor6. Clock spring Component (2)

    Other information:

    Kia Cadenza YG 2016-2021 Service Manual: General Safety Information and Caution

    Instructions When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves. 2. It is standard practice to wear goggles or glasses to protect your eyes, and gloves to protect your hands.

    Kia Cadenza YG 2016-2021 Service Manual: Mode Control Actuator Repair procedures

    Inspection 1. Ignition "OFF” 2. Disconnect the connector of mode control actuator. 3. Verify that the mode control actuator operates to the defrost mode when connecting 12V to the terminal 3and grounding terminal 7. 4. Verify that the mode control actuator operates to the vent mode when connecting in the reverse.

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