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Hyundai Equus Manuals

Hyundai Equus: Instrument Cluster Repair procedures - Indicators And Gauges - Body Electrical System - Hyundai Equus VI 2009-2024 Service ManualHyundai Equus: Instrument Cluster Repair procedures

Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Body Electrical System / Indicators And Gauges / Instrument Cluster Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the cluster fascia panel after loosening the screws.
(Refer to Body - "Cluster Fascia Panel")
3.
Remove the cluster assembly (A) after loosening the mounting bolts and nuts.

4.
Disconnect the cluster connector (A).

Installation
1.
Install the cluster assmebly after connecting the connector.
2.
Install the cluster fascia panel.
3.
Connect the negative (-) battery terminal.
Inspection
1.
Check point (Warning indicator)
No.
Ref
Symbol
Name
Signal Input
Signal Control
(Unit/Sensor)
Check Point
1

Turn Left
C-CAN
BCM
1.
CAN line failure
2

Turn Right
C-CAN
3

Front Fog
C-CAN
BCM
1.
CAN line failure
4

High Beam
C-CAN
BCM
1.
CAN line failure
5

Cruise
C-CAN
SCC
EMS
1.
CAN line failure
6

SET
C-CAN
EMS
1.
CAN line failure
7

Tail Lamp
C-CAN
BCM
1.
CAN line failure
8

Seat Belt
C-CAN
BCM
1.
CAN line failure
9

PSB
C-CAN
PSB_LH
PSB_RH
1.
CAN line failure
10

Air Bag
C-CAN
ACU
1.
CAN line failure
11

Door Open
C-CAN
BCM
1.
CAN line failure
12

High Temperature
C-CAN
EMS
1.
CAN line failure
13

Immobilizer
C-CAN
SMK
1.
CAN line failure
14

ABS
C-CAN
ESC
1.
CAN line failure
15

AFLS
C-CAN
AFLS
1.
CAN line failure
16

LED OFF
C-CAN
AFLS
1.
CAN line failure
17

ECS
C-CAN
ECS
1.
CAN line failure
18

EPB
C-CAN
EPB
1.
CAN line failure
19

ESC
C-CAN
ESC
1.
CAN line failure
20

ESC OFF
C-CAN
ESC
1.
CAN line failure
21

TPMS(TREAD)
C-CAN
TPMS
1.
CAN line failure
22

Trunk Open
C-CAN
BCM
1.
CAN line failure
23

AVSM OFF
C-CAN
SCC
1.
CAN line failure
25

Fuel Low
Hardwire
Fuel sender
1.
Fuel sender failure
2.
Wiring failure
27

Parking Brake
C-CAN
BCM
TCS
EPB
1.
CAN line failure
28

Oil Pressure
Hardwire
Oil Pressure Sensor
1.
Wiring failure
29

Battery Charge
Hardwire
Battery Sensor
1.
Wiring failure
30

Check Engine
C-CAN
EMS
1.
CAN line failure
31

Low Washer
Hardwire
Washer fluid Sensor
1.
Wiring failure
32

AUTOHOLD
(Green)
C-CAN
ESC
1.
CAN line failure

AUTOHOLD
(Yellow)
C-CAN
ESC
1.
CAN line failure

AUTOHOLD
(White)
C-CAN
ESC
1.
CAN line failure
33

LDWS
C-CAN
LDWS
1.
CAN line failure
34

LDWS Fail
C-CAN
LDWS
1.
CAN line failure
35

SCC radar FAIL
C-CAN
SCC
1.
CAN line failure
36

SCC system FAIL
C-CAN
SCC
1.
CAN line failure
37

ECO
Hardwire
Driver Mode Switch
1.
Switch failure
2.
Wiring failure
38

SPORT
C-CAN
(ECS option)
Driver Mode Switch
1.
Switch failure
2.
Wiring failure
3.
CAN line failure
(ECS option)
Hardwire
(Non-ECS)

SNOW
C-CAN
(ECS option)
Hardwire
(Non-ECS)

2.
Check point (Gauge)
No.
Name
Signal Input
Signal Control
(Unit/Sensor)
Check Point
1
Speedometer
C-CAN
TCU,
1.
CAN Line failure
2
Tachometer
C-CAN
EMS
1.
CAN Line failure
3
Cooling water temperature
C-CAN
EMS
1.
CAN Line failure
4
Fuel
Hardwire
Fuel sender
1.
Fuel sender failure
2.
Wiring failure
5
Shift lever indicator
C-CAN
TCU
1.
CAN Line failure
6
Compass
MM-CAN
HU
1.
CAN Line failure
7
Outside temperature
C-CAN
DATC
1.
CAN Line failure
8
Clock
MM-CAN
AVN head unit
1.
CAN Line failure

3.
Connector terminal check list
No.
Description
Input/Output
Communication
Check Point
Spec
Condition
A1
Air bag (+)
Input
Hardwire
9 ~ 16 V
IGN switch ON
A2
-
-
-
x
x
A3
Rheostat down switch
Input
Hardwire
Below 2V
IGN switch ON 
Rheostat down switch ON 
A4
Rheostat up switch
Input
Hardwire
Below 2V
IGN switch ON 
Rheostat up switch ON 
A5
-
-
-
x
x
A6
Oil pressure
Input
Hardwire
Below 1.5V
IGN switch ON 
OIL switch ON
A7
Washer fluid
Input
Hardwire
Below 1.5V
IGN switch ON 
WASHER FLUID switch ON
A8
Battery charge
Input
Hardwire
Below 1.5V
IGN switch ON 
CHARGE switch ON
A9
Heated steering input
Input
Hardwire
Above 6 V
IGN switch ON 
HEAT-STR switch ON 
A10
LEDOFF
Input
-
x
x
A11
-
-
-
-
- 
A12
Driving mode switch
Input
Hardwire
Below 2V
IGN switch ON 
Driving mode switch ON 
A13
D
Output
-
x
x
A14
Fuel level sensor input
Input
Hardwire
Below 1.1 V
IGN switch ON 
FUEL Full
Above 10.7V
IGN switch ON 
FUEL Empty
A15
S
Output
-
x
x
A16
Fuel level sensor GND
Input
Hardwire
Below 1V
Always
A17
-
-
-
x
x
A18
-
-
-
x
x
A19
IGN2
Input
Hardwire
9 ~ 16 V
IGN switch ON
Below 1V
When IGN switch ON
(cranking)
A20
ILL(+)
Input
Hardwire
Above 6 V
When IGN switch ON 
ILL(+) switch ON
A21
-
-
-
x
x
A22
Speaker (+) 
Output
Hardwire
2.7 ~ 5.5 V
IGN switch ON
A23
Speaker (-) 
Output
Hardwire
2.7 ~ 5.5 V
IGN switch ON
A24
-
-
-
x
x
A25
VS_4P_OUT
Output
Hardwire
9 ~ 16 V
IGN switch ON 
Vehicle speed is over 1Km/h
A26
R
Output
-
x
x
A27
P
Output
-
x
x
A28
DETENT_OUT
Output
Hardwire
9 ~ 16 V
IGN switch ON 
Rheostat MAX
A29
-
-
-
x
x
A30
M CAN high
Input
CAN
-
-
A31
M CAN low
Input
CAN
-
-
A32
C CAN low
Input
CAN
-
-
A33
C CAN high
Input
CAN
-
-
A34
N
Output
-
x
x
A35
Illumination output (-)
Output
Hardwire
9 ~ 16 V
IGN switch ON 
ILL(+) switch ON 
A36
Power GND
Input
Hardwire
Below 1V
Always
A37
Signal GND
Input
Hardwire
Below 1V
Always
A38
-
-
-
x
x
A39
IGN1
Input
Hardwire
9 ~ 16 V
IGN switch ON
A40
Battery power
Input
Hardwire
9 ~ 16 V
Always

4.
Communication information
Transmision Unit
Receive Unit
CAN communication
Reference
Cluster
BCM
C-CAN
Refuel detecede state
Instant fuel consumption information
Low fuel warning information
Vehicle setting condition
Illumination setting
Cluster
EMS 
C-CAN 
MM-CAN
SPORT/ECO Mode
TCU 
EHPS 
ECS 
ESP 
AVN
Cluster
SCC
C-CAN
Vehicle speed
Cluster
ACU
C-CAN
Airbag state
AAF
Cluster
CAN
Active air flap warning indicator
ACU
Cluster
CAN
Airbag warning indicator control
AFLS
Cluster
CAN
LED OFF message
AFLS warning lamp
BCM
Cluster
CAN
Hood indicator display
DATC
Cluster
CAN
External temperature display
ECS
Cluster
CAN
Warning control
EHPS
Cluster
CAN
Warning control
EMS
Cluster
CAN
Tachometer control
Temperature guage control
Check engine symbol, CRUISE and SET indicator control
EPB
Cluster
CAN
EPB indicator, Parking brake indicator control
Sound control
ESC
Cluster
CAN
x
BCM
Cluster
CAN
Vehicle setting control
Warnig indicator and warning sound, PAS control
HUD
Cluster
CAN
HUD setting input (Head Up Display)
LCA
Cluster
CAN
LCA wanring message
LDWS
Cluster
CAN
LDWS warning message display and HBA (High Beam Assist) warning & message control
LVR
Cluster
CAN
SBW (Seat Belt Warning) message display
PSB
Cluster
CAN
PSB (Pre Safe Seat Belt) warning message display
SAS
Cluster
CAN
Steerign angle
SCC
Cluster
CAN
SCC control, VSM mode
SMK
Cluster
CAN
Smart key display
TCS
Cluster
CAN
ESC OFF switch condition
Brake lamp ON/OFF by SCC
Warning lamp display
TCU
Cluster
CAN
AT Shift lever information display
Vehicle speed input
SBW display
TPMS
Cluster
CAN
TPMS display

5.
Other cluster check list
(1)
USM (User Setting Mode)
USM setting process (mode: 24)
Setting can be changed by using the buttons of the steering switch. The items include In/out Seat Synchronization, vAuto Door Lock, Auto Door Lock Deactivate, Head Lamp Escort, Welcome Light, Welcome Sound, Triple Turn Signal, Average Fuel Consumption Auto Reset, HUD Height Adjustment, Brightness, and Content Setup. These items can be set and changed.

(2)
UMS Setting Procedure
A.
Module setting
UMS settings are sent to BCM >
Settings are sent via BCM B_CAN to the relevant module >
When the module setting is completed, the current settings are sent to BCM >
The final settings are sent via BCM C-CAN to the dashboard.
B.
HUD(Head Up Display) setting
HUD-related settings of UMS are sent >
HUD light brightness/height settings are sent to display the final setti ngs
C.
Haptic setting : The haptic settings of UMS are transmitted to modify the haptic experience.
Diagnosis with GDS
1.
It will be able to diagnose defects of CLU with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis.
2.
Select model and "BCM".
3.
Select the "Cluster Moduel" to check.
4.
Select "Input/output monitoring", if you will check current data of instrument cluster.
5.
If you will check each module data operation forcefully, select "Actuation test".

6.
To check the DTC of the each module, select "DIAGNOSTIC TROUBLE CODES".

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