Hyundai Ioniq (AE): Indicators And Gauges / Instrument Cluster. Description and operation

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Body Electrical System / Indicators And Gauges / Instrument Cluster. Description and operation

Description
Communication Network Diagram

Abbreviation
Expalnation
AAF
Active Air Flap
ACU
Airbag Control Unit
AEB
Autonomous Emergency Braking
AHB
Active Hybrid Brake System
AMP
Amplifier
AVN
Head Unit (Audio / AVN)
B_CAN
Body Controller Area Network
BCM
Body Control Module
BMS
Battery Management System
BSD
Blind Spot Detection
C_CAN
Chassis Controller Area Network
CARMERA
Rear View Carmera
CLU
Cluster Module
DATC
Dual Automatic Temp Control
FPCM
Fuel Pump Control Module
HPCU
Hybrid Power Unit
IGPM
Intergrated Gateway & Power control Module
LDWS
Lane Departure Warning System
M_CAN
Multi media Controller Area Network
MDPS
 Motor Driven Power Steering
P_CAN
Powertrain Controller Area Network
PAS
Parking Assist System
SJB
Smart Junction Block
SMK
Smart Key Unit
TCM(DCT)
Double Clutch Transmission Unit
VESS
Virtual Engine Sound System

Cluster Variant Coding
As we have more options (ESC, MDPS, SCC, etc.) in the car, the dashboard now have more information to display depending on the chosen options.
For this reason, we need to learn which options the current vehicle when we replace the dashboard.
To address this issue, a course of learning based on the option required for the vehicle when replacing the dashboard should be carried out.
This is called Variant Coding.
Function
1.
High speed CAN communication (C-CAN)
–
Custom Function : Boarding interlocking sheets, Welcome Light
–
LDWS : Lane Departure Warning System
–
SPAS: Smart Parking Assist System
2.
Low speed CAN communication (MM-CAN)
–
AV : Audio / Video Multimedia information Display
–
TBT : Turn By Turn Navigation Information Display
3.
Sound output
Instrument cluster and the external speakers connected to the output of the various beeps and sound effects.
If External AMP is applied, the directional alarm is outputted through the amp.

4.
User Setting Mode (USM)
Setting can be changed by using switchs (Menu, UP, Down and OK button). There are many items (for example, In/Out Seat Synchronization, In/Out Steering Wheel Synchronization, Auto Door Lock, Auto Door Lock Deactivate, Head Lamp Escort, Welcome Light, Welcome Sound, One Touch Turn Signal, Average Fuel Consumption Auto Reset, Brightness, and Content Setup) that can be set and customized. The signal flow during setting is as follows.
(1)
UMS settings are set, they are transmitted to BCM.
(2)
BCM transmits the settings via B_CAN to the relevant modules.
(3)
The module completes setting and transmits the modified setting to BCM.
(4)
BCM transmits the final settings via C_CAN to the cluster.
   
•
The cluster communicates directly with C-CAN units.
Hybrid Mian Features
1.
ECO and power guage
(1)
It displays the degree of economic driving by identifying the status of a driver's operation, depending on a vehicle's driving conditions (e.g., required power, system efficiency and
(2)
It leads to economic driving by informing the driver of the optimal driving conditions depending on the vehicle's conditions.
(3)
It displays that ECO guide and power segment will operate during driving, and also indicates the state of regenerative braking when a charge zone is instructed while driving.
2.
SOC(State of Charge) guage
(1)
It displays the amount of charge of high-voltage battery.
(2)
It displays the charged amount of SOC received from BMS module on the digital gauge in the instrument cluster (as follows).

No
SOC(%)
No
SOC(%)
0
0 - 19.5
9
55.5 - 60
1
20 - 23
10
60.5 - 65
2
23.5 - 26
11
65 - 70
3
26.5 - 30
12
70.5 - 75
4
30.5 - 35
13
75.5 - 80
5
35.5 - 39.5
14
80.5 - 85
6
40 - 44.5
15
85.5 - 92
7
45 - 50
16
92.5 - 95
8
50.5 - 55



3.
Energy Flow
(1)
It displays graphical energy flow of an HEV vehicle to inform the driver of the vehicle information.
(2)
It leads to economic driving by showing the energy flow diagram by means of intuitive images.
(3)
HCU module receives operation mode CAN signals to implement any relevant animation.
No
Definition
Graphic
Remark
1
Vehicle stopped

-
2
Motor driving force Driving the vehicle state

Battery → Wheels
3
Motor and Engine driving force for driving the state vehicle

Batteries → Wheels
Engine → Wheels
4
Engine powered by state of the vehicle is the only driving force

Engine → Wheels
5
Engine stops at the high-voltage battery charge state

Engine → Batteries
6
Due to the high voltage battery charging regenerative braking

Wheels → Batteries
7
Engine Friction braking conditions using a vehicle

Wheels → Engine
8
Engine amount of secondary high-voltage battery charging while driving

Engine → Wheels
Engine → Batteries
9
Motor Engine is to charge the battery in the vehicle driven by the state

Engine → Batteries
Batteries → Wheels
10
Engine Generation / Regeneration

Engine → Batteries
Wheels → Batteries
11
Engine Brake / Regeneration

Wheels → Engine
Wheels → Batteries

    Components[Super Vision Type(4.3" Color TFT)][Super Vision Type(7" TFT)]Connector Pin Information No Description No Description 1Ground21Trip switch (-)2Illumination (-)22Trip switch 1 (+)3Rheostat switch (Down)23Trip switch 2 (+)4Rheostat switch (Up)24AT ('P' Position)5-25AT ('R' Position)6Oil press switch input26AT ('N' Position)7Washer level (Low)27AT ('D' Position)8-28AT ('S' Position)9-29Multimedia - CAN (Low)10Drive mode switch input30Multimedia - CAN (High)11Detent output31-12-32Chassis - CAN (High)13-33Chassis - CAN (Low)14Fuel sender (+)_Input34-15-35-16Fuel sender (-)_Input36-17Immobillizer input37Ground18Vehicle speed output38IGN 319Airbag input (+)39IGN 120Tail lamp40Battery (+)

    Circuit Diagram[Super Vision Type(4.3" Color TFT)][Super Vision Type(7" TFT)]

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