Hyundai Tucson: Multifunction switch / Repair procedures

Removal

1.	Disconnect the negative (-) battery terminal.

Remove the steering column upper and lower shrouds (A) after removing 3 screws.

[LHD]

[RHD]

Take care not to damage and scratch the shrouds and its related parts.

Take care not to damage the hook when removing the upper and lower shrouds.

3.	Disconnect the light switch connector (A) and the wiper switch connector (B).

Remove the wiper switch (A) by pushing the lock pin (B).

When removing the wiper & washer switch only, release the lock of wiper switch without removing the steering wheel.

[LHD]

[RHD]

5.	Remove the steering wheel. (Refer to the ST group - "Steering column and shaft")

6.	Remove the clock spring. (Refer to the RT group - "Airbag module")

7.	Loosen the screws from the multifunction switch assembly (A).

Installation

1.	Install the multifunction switch.

2.	Install the clock spring and steering wheel.

3.	Install the steering column upper and lower shrouds.

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

[LHD]

[RHD]

Lighting switch (Auto Light)

Lighting Switch

Dimmer And Passing Switch

Turn Signal Switch

Front Fog Lamp

Front & Rear Fog Lamp

Wiper And Washer Switch Inspection

1.	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. [LHD] [RHD] Wiper Switch Washer Switch Rear Wiper Switch Rear 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.	Select "Current data" and check the input/output condition of "Multifunction switch".

4.	To perform test on "Multifunction switch" outputs, select "Actuation test".

Component (1) 1. Steering column shaft2. Lighting switch3. Wiper and washer switch4. Screw5. Clock spring Component (2) ...

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