Kia Optima: Inspection (With GDS) - Repair procedures - Multifunction switch - Body Electrical System - Kia Optima TF 2011-2026 Service ManualKia Optima: 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 "BCM".
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".


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

Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the steering wheel. (Refer to the ST group - "Steering column & shaft") 3. ...

See also:

Temperature Control Knob
The temperature control knob is the round knob closest to the passenger side of the ventilation control panel. To change the air temperature in the passenger compartment, turn the knob either cloc ...

Remove
1. Turn ignition OFF and disconnect the negative (-) battery cable. 2. Remove the crash pad lower panel. (Refer to Body – “Crash pad”) 3. Dis ...

Removal
1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). 2. Remove the fuel pump service cover (A) in ...

Copyright www.kiopman.com 2026