Kia Optima Hybrid: Indicators And Gauges / Instrument Cluster Repair procedures

Inspection
NO
Ref
Symbol
Name
Signal Input
Message Name
Signal control
Signal Value
(X: Don’t care)
Illumination/
Power
1

Turn
Left
B-CAN
Turn LH Signal Lamp Switch Status for indicator in CLU
LED/
B+
2

Turn
Right
B-CAN
Turn RH Signal Lamp Switch Status for indicator in CLU
LED/
B+
3

Front
Fog
B-CAN
Front Fog ON
LCD/
B+
4
 -
Rear
Fog
B-CAN
Rear Fog IND
LED/
IGN1
5

High
Beam
B-CAN
Head Lamp High ON
LED/
B+
6

Seat
Belt
B-CAN
Driver Seat Belt IND
LED/
IGN1
7

 Door
Open
B-CAN
Driver Door Switch
Assist Door Switch
RR Door Switch
RL Door Switch
C_DRIVETYPE
(0h:LHD,1h:RHD)
LED/B+
TFT LCD/IG
8

Trunk
Open
B-CAN
Tail Gate Switch
LED/B+
TFT LCD/IG
9

Immobilizer
Hardwire
(SMK)
Input terminal is GND
LED/
B+
C-CAN
(EMS)
EMS Immo Lamp
(Non-SMK)
LED/
IG+
10

ABS
C-CAN
TCS
ABS Warning Lamp
LED/
IG+
11

Parking
Brake
C-CAN
TCS
Brake Warning Lamp
LED/
IG+
B-CAN
Parking Brake Switch
Brake Fluid Switch
Brake Fluid Sensor
(Hard wire)
Input terminal is GND
AHB
AHB Warning Lamp
12

ESC
C-CAN
TCS
Brake TCS Lamp
LED/
IG
13

ESC OFF
Brake TCS Warning Lamp
LED/
IG
14

Air Bag
C-CAN
ACU
Active circuit
LED/
Air/B+-
15

Oil
Pressure
Hardwire
Input terminal is GND
ISG control(MICOM)
LED/
IG
16

Alternator
C-CAN
LDC
LDC Aux Bat Warning Lamp
LED/
IG
17

Check
Engine
C-CAN
EMS
EMS Mil Request
LED/
IG
18

Low Fuel
When LOW FUEL resistance is inputted
MCU Control
LED/
IG
19
CRUISE
CRUISE
C-CAN
HCU
HCU Cruise On Lamp
LCD/
IG
20
SET
SET
HCU Cruise Set Lamp
LCD/
IG
21

TPMS
(TREAD)
C-CAN
TPMS
TPMS Tread Warning Lamp
LED, Dispaly/
IG
TPMS
Fail
TPMS Warning Lamp
LED/
IG
22

Tail
Lamp
B-CAN
INT Tail Act
LCD/
B+
23
EPS
EPS
(MDPS)
C-CAN
MDPS
MDPS Warning Lamp
LED/
IG
24

HIGH TEMP
WARNING
C-CAN
EMS
EMS Eng Cool Temp
LED/
IG
25

SERVICE
C-CAN
HCU
HCU Service Lamp
LED/
IGN
MCU
MCU Service Lamp
GCU Service Lamp
BMS
BMS Service Lamp
LDC
LDC Service lamp Request
TCU
TCU Service Lamp
OPU
OPU Service Lamp
26
 -
READY
C-CAN
HCU
HCU HEV Ready
LCD/
IGN
27
 -
Washer
Low
Hardwire
MCU Control
SYMBOL (x), Display
Display/IG+
28
 -
AAF
AAF
AAF Warning Lamp
Display/IG+
29
 -
AHB
AHB
AHB Warning MSG
Display/IG+
30
 -
LDC
 
LDC Aux Bat Warning Alarm
Display/IG+
31

EV
MODE
HCU
HCU HEV Ready
LED/
IG+

Speedometer
1.
Adjust the pressure of the tires to the specified level.
2.
Drive the vehicle onto a speedometer tester. Use wheel chocks (A) as appropriate.
3.
Check if the speedometer indicator range is within the standard values.
   
Do not operate the clutch suddenly or increase/ decrease speed rapidly while testing.
   
Tire wear and tire over or under inflation will increase the indication error.

[Canada - km/h]
Velocity
(km/h)
Tolerance(km/h)
20
+2.20
+0.20
40
+2.30
+0.30
60
+2.50
+0.50
80
+3.20
+0.70
100
+4.00
+1.00
120
+4.50
+1.50
140
+5.00
+2.00
160
+5.50
+2.50
180
+7.00
+3.00
200
+7.50
+3.50
220
+8.00
+4.00
240
+8.50
+4.50
260
+9.00
+5.00

[USA - MPH]
Velocity
(km/h)
Tolerance(km/h)
20
+1.7
+0.2
40
+1.8
+0.3
60
+2.6
+0.6
80
+3.3
+0.8
100
+3.8
+1.3
120
+4.8
+1.8
140
+5.3
+2.3
160
+5.8
+2.8

Fuel Gauge
1.
Disconnect the fuel sender connector from the fuel sender.
2.
Connect a 3.4 watt, 12V test bulb to terminals 1 and 3 on the wire harness side connector.
3.
Turn the ignition switch to the ON, and then check that the bulb lights up and the fuel gauge needle moves to full.

Main Fuel Gauge Sender
1.
Using an ohmmeter, measure the resistance between terminals 1 and 3 of sender connector (A) at each float level.

NO
Description
NO
Description
1
Gauge signal GND
4
Fuel pump (+)
2
-
5
Fuel pump GND
3
Gauge signal (+)
-
-

2.
Also check that the resistance changes smoothly when the float is moved from "E" to "F"
[Supervision]
Position
Liter
(?)
U.S. gal.
Resistance
(?)
Warning lamp blink
5
1.32
200+5/-2?
1/12 (E)
8.5
2.24
170±2?
6/12
35
9.24
72.7?
12/12 (F)
66
17.4
8±1?

3.
If the height resistance is unsatisfied, replace the fuel sender as an assembly.
   
After completing this test, wipe the sender dry and reinstall it in the fuel tank.
Engine Coolant Temperature Sender
1.
Information of engine coolant temperature is inputed via CAN communication and displayed on cluster LCD.
2.
Engine coolant temperature specification
Temperature
Gauge Segment
Remarks
[°F(°C)]
131(55)
SEG1
?
160(71)
SEG5
?
230(110)
SEG5
?
242.6(117)
SEG9
Warning OFF
249.35(120.75)
SEG11
Warning ON
256.1(124.5)
SEG12

Brake Fluid Level Warning Switch
1.
Remove the connector (A) from the switch located at the brake fluid reservoir.
2.
Verify that continuity exists between switch terminals 1 and 2 while pressing the switch (float) down with a rod.

Brake Fluid Level Warning Lamp
1.
Ignition "ON"
2.
Release the parking brake.
3.
Remove the connector from the brake fluid level warning switch.
4.
Ground the connector at the harness side.
5.
Verify that the warning lamp lights.
Parking Brake Switch
The parking brake switch (A) is a pulling type. It is located under the parking brake lever. To adjust, move the switch mount up and down with the parking brake lever released all the way.
1.
Check that there is continuity between the terminal and switch body with the switch ON (Lever is pulled).
2.
Check that there is no continuity between the terminal and switch body with the switch OFF (Lever is released).
If continuity is not as specified, replace the switch or inspect its ground connection.

Door Switch
Remove the door switch and check for continuity between the terminals.

Seat Belt Switch
1.
Remove the connector from the switch.
2.
Check for continuity between terminals.
Seat belt condition
Continuity
Fastened
Non-conductive (??)
Not fastened
Conductive (?)

Seat Belt Warning Lamp
With the ignition switch turned ON, verify that the lamp glows.
Seat belt condition
Warning lamp
Fastened
OFF
Not fastened
ON

Removal
   
Take care not to scratch the center fascia panel and related parts.
Eject all the disc before removing the audio unit to prevent damaging the CD player''s load mechanism.
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remover, remove the crash pad garnish RH (A).

   
Apply the protective tapes to crash pad garnish and its related parts.
3.
Using a screwdriver or remover, remove the crash pad side cover (A).

4.
After loosening the crash pad lower panel mounting screws, then remove the lower panel (A).

5.
Remove the switch connector (A) and SSB connector (B) from crash pad lower panel.

6.
Remove the crash pad garnish LH (A) after removing the screws.

7.
Remove the instrument cluster fascia panel (A) after loosening the screws.

8.
Remove the instrument cluster (A) after loosening the screws.

9.
Disconnect the cluster connector (A), then remove the cluster.

Installation
1.
Install the cluster to the cluster housing.
2.
Install the cluster fascia panel and crash pad side garnish [LH].
3.
Install the crash pad lower pannel and side cover.
4.
Install the side pad garnish [RH].
Instrument Cluster Schematic Diagrams

Circuit Diagram ...

Trip Switch Schematic Diagrams

Circuit Diagram ...

Other information:

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