| TUCSON(LM) >2010 > G 2.0 DOHC > Body Electrical System > Multifunction switch>Repair procedures |

Removal
1. | Disconnect the negative (-) battery terminal.
2. | Remove the steering column upper and lower shrouds (A) after removing 3 screws.
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).
4. | 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.
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
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 Lighting switch (Auto light) Lighting Switch Dimmer And Passing Switch Turn Signal Switch Front 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. 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".