Hyundai Genesis (DH): Fuses And Relays / Relay Box (Passenger Compartment) Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual / Body Electrical System / Fuses And Relays / Relay Box (Passenger Compartment) Description and Operation

Description

Appellation
Description
AAF
Active Air Flap
ACU
Airbag Control Unit
ADM
Assist Door Module
AHD
Active Hood System
AMP
Amplifier
ARS
Armrest Switch
ASCC
Advanced Smart Cruise Control
AVM
Around View Monitor
AWD
All Wheel Drive
B_CAN
Body Controller Area Network
BCM
Body Control Module
BSD
Blind Spot Detection
C_CAN
Chassis Controller Area Network
CCP
Center Control Panel
CLUM
Cluster Module
DATC
Dual Automatic Temp Control
DDM
Driver Door Module
Display
Display Monitor
DSS
Driver Seat Switch
ECS
Electronic Control Suspention
EMS
Engine Management System
EPB
Electronic Parking Brake
EVP
Eva Vacuum Pump
FPCM
Fuel Pump Control Module
H/Unit
Head Unit
HSWS
Haptic Steering Warning System
HUD
Head Up Display
I-BOX
Telematics System
IDB
Integrated Dynamic Brake
LDWS
Lane Departure Warning System
M_CAN
Multi media Controller Area Network
MDPS
Motor Driven Power Steering
MFS
Multi-Function Switch
ODS
Occupant Detection System
P_CAN
Powertrain Controller Area Network
PGS
Parking Guide System
PSB
Pre-Safe Seat Belt
PSM
Power Seat Module
PTLM
Power Trunk Lid Module
RRC
Rear Remote Control
SAS
Steering Angle Sensor
SCM
Steering Column Module
SJB
Smart Junction Box
SLB
Seat Lumber Bolster
SMK
Smart Key Unit
SPAS
Smart Parking Assist System
SWRC
Steering Wheel Remote Controller
TCU
Transmission Control Unit
TPMS
Tire Pressure Monitoring System
VDC
Vehicle Dynamic Control

IGPM (Central Gateway and smart junction block)
IGPM (Integrated Gateway Power Control Module) is an integrated model of smart junction block and central gateway.
It performs the function of conventional "Smart junction block" and the function of communication medium of "Central Gateway".

Central Gateway(CGW)
CGW is a controller enabling communication among the controllers connected to the different networks.
There are five CAN networks connected to CGW.
B-CAN and M-CAN are connected to the low-speed CAN, C-CAN and P-CAN to the high-speed CAN while D-CAN is connected for inspection.
1.
CGW Main Features
(1)
Routing : Information exchange among different in-vehicle communication networks.

(2)
Network security control : It only allows inspection communication (D-CAN) to connect in-vehicle communication network in order to prevent

(3)
Additional functions
A.
If alarm light is ON, carry out remote diagnosis of Chassis system (C-CAN) through I-Box and gateway
   
I-Box remote diagnosis (C-CAN) function via gateway shall be suspended.
B.
Dark current measurement: After sending forced electronic parts sleep message to each network from the diagnosis equipment, gateway also enters sleep mode.
C.
Operation current check: Check problem through operation of electronic parts
(4)
Fault diagnosis on CAN signal transmission failure by communication control defect
(CGW records DTC for the controller with transmission failure.)
2.
How to check CGW
(1)
Although "No CGW CAN signal (TIMEOUT)" record appears when checking the DTC of the faulty electronic component, never determine it as the CGW failure. CGW is a controller that intermediates in-vehicle transmitting/receiving controllers. If one of the following two cases arises: (1) the transmitting controller fails to send a message to CGW, leading to CGW failing to send it to the receiving controller; (2) CGW sends the pre-determined value (Timeout Value), the corresponding receiver records the DTC of the failure of message transmission. Thus, to finally determine the controller that fails to send CAN signal, the DTC of CGW shall be checked. CGW records DTC only when it fails to receive the signal for more than 10 seconds with KEY ON. To identify the cause of no CAN signal transmission, the CGW DTC shall be checked after waiting for more than 20 seconds with KEY ON.
(2)
If the CAN communication control unit is not reinstalled after being removed from the vehicle, CGW records the DTC of

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