Kia Optima: Body Electrical System / Multifunction Switch
Specifications
Items
|
Specifications
|
Rated voltage
|
Front fog lamp switch
|
5 V
|
Lighting
|
Auto lighting
|
Dimmer & Passing
|
Turn signal lamp
|
Wiper
|
Washer
|
14.5 V
|
Schematic diagrams
Connector and Terminal Function |
Connector A
|

|
Pin
|
Standard
|
R-MDPS
|
1
|
-
|
-
|
2
|
Headlamp low back up signal
|
Headlamp low back up signal
|
3
|
Front wiper INT volume signal
|
-
|
4
|
Ground
|
-
|
5
|
Ground (IBU)
|
Ground
|
6
|
Front wiper switch signal
|
-
|
7
|
Front wiper low back up signal
|
Front wiper low back up signal
|
8
|
IGN2
|
IGN2
|
9
|
Front washer motor switch power
|
Front washer motor switch power
|
10
|
Light switch signal
|
C-CAN (High)
|
11
|
-
|
C-CAN (Low)
|
12
|
Fog lamp switch signal
|
IGN1
|
13
|
Headlamp passing/high beam switch signal
|
-
|
14
|
Turn signal switch (LH)
|
B-CAN (High)
|
15
|
Turn signal switch (RH)
|
B-CAN (Low)
|
16
|
-
|
Battery (+)
|
Repair procedures
1. |
Disconnect the negative battery terminal.
|
2. |
Remove the steering column upper and lower shrouds.
(Refer to Body - "Steering Column Shroud Panel")
|
3. |
Remove the steering wheel.
(Refer to Steering System - "Steering Wheel")
|
4. |
Disconnect the all connector (A) from the multifunction switch.

|
5. |
Remove the multifunction switch (B) by loosening the mounting bolt (A).
Tightening torque :
7.8 - 8.8 N·m (0.8 - 0.9 Kgf·m, 5.8 - 6.5 lb·ft)
|
When install the multifunction switch, unscrew and reassemble
the clamp bolt (A) to check for sound.
|


|
1. |
Install in the reverse order of removal.
|
Multifunction Switch
Inspection
1. |
Disconnect the negative battery terminal.
|
2. |
Remove the steering column upper and lower shrouds.
(Refer to Body - "Steering Column Shroud Panel")
|
3. |
Check for continuity between the terminals in each switch position as
shown below.

Switch
|
Switch position
|
Switch terminal
|
Resistance (Ω, ±3.5%)
|
Front wiper switch
|
MIST
|
6-4
|
330
|
OFF
|
∞
|
INT (AUTO)
|
800
|
LOW
|
1800
|
HIGH
|
5700
|
Wiper intermittent volume
|
Volume 1
|
3-4
|
330
|
Volume 2
|
690
|
Volume 3
|
1310
|
Volume 4
|
2610
|
Volume 5
|
7310
|
Fog lamp switch
|
OFF
|
12-4
|
∞
|
Front
|
910
|
Rear
|
2910
|
Turn signal switch (Left)
|
OFF
|
14-4
|
∞
|
Lanechange
|
910
|
Full turn
|
2910
|
Turn signal switch (Right)
|
OFF
|
15-4
|
∞
|
Lanechange
|
910
|
Full turn
|
2910
|
Dimmer & Passing switch
|
OFF
|
13-4
|
∞
|
Passing
|
910
|
Dimmer
|
2910
|
Light switch
|
OFF
|
10-4
|
680
|
AUTO
|
∞
|
Tail lamp
|
1680
|
Low beam
|
5580
|
|
Diagnosis With KDS
1. |
In the body electrical system, failure can be quickly diagnosed by using
the vehicle diagnostic system (KDS).
The diagnostic system (KDS) provides the following information.
(1) |
Self diagnosis : Checking failure and code number (DTC)
|
(2) |
Current data : Checking the system input/output data state
|
(3) |
Actuation test : Checking the system operation condition
|
(4) |
Additional function : Controlling other features including system
option setting and zero point adjustment
|
|
2. |
Select the "Car model" and the 'IBU-BCM' to be checked in order to check
the vehicle with the tester.
– |
R-MDPS : BCM - MFSW (DN8)
|
|
3. |
Select the 'Current Data' menu to search the current state of the input/output
data.
|
4. |
To force actuate the input value of the module to be checked, select
option 'Actuation Test'.
|
Schematic diagrams
Connector and Terminal function
Repair procedures
Removal
When removing with a ...
Components and components location
Component Location
1. Panorama sunroof assembly
2. Panorama sunroof switch
3. Glass motor
4. Blind motor
...
Other information:
Operating conditions
The indicator on the switch will illuminate when the BCW (Blind-Spot Collision
Warning) system switch is pressed with the ignition switch ON. If the vehicle speed
exceeds 30 km/h (20 mph), the system will activate.
If you press the switch again, the switch indicator and ...
To fasten your seat belt:
To fasten your seat belt, pull it out of the retractor and insert the metal tab
(1) into the buckle (2). There will be an audible "click" when the tab locks into
the buckle.
The seat belt automatically adjusts to the proper length only after the lap belt
portion ...