Kia Cadenza YG: Surround View Monitoring (SVM) System / Description and Operation

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / Surround View Monitoring (SVM) System / Description and Operation

Description
Surround View Monitoring System (SVM) is the system that allows video monitoring of 360 degrees around the vehicle. The system includes 4 ultra optical camera mounted around the vehicle (front, both sides, rear).
The video from these cameras are applied with distortion compensation, time point conversion, and video merging technologies to provide sky-view image of the vehicle''s surrounding area, as well as various other view modes.
The SVM System provides video feed of the vehicle''s surrounding area while parking or during low speed driving to the driver to enhance safety and driver''s convenience.
In addition, the system also displays video image of vehicle''s surrounding area, and includes steering wheel synchronized guide line indication, front and rear object warning, and A/S (including In-Line) tolerance compensation features.

It''s a system that displays the video, from ultra optical cameras mounted on 4 sides of the vehicle, on the Head Unit Screen. It shows 360 degrees sky-view image of the vehicle''s surrounding area, as well as various other view modes. The SVM System provides video feed of the vehicle''s surrounding area while the vehicle is parked or during low speed driving to the driver to enhance safety and driver''s convenience.
Major Features
1.
Display Vehicles Surrounding in Video
The surrounding area video display function displays the 360 degrees video image captured through 4 cameras to the driver through the Head Unit Screen while the vehicle is moving at low speed or going reverse. The SVM System displays total of 8 video modes for displaying surrounding video based on the vehicle driving state and the driver''s selection.
2.
Guide Line Indication & Steering Wheel Synchronized Feature
The Guide Line Indication & Steering Wheel Synchronized Feature is the function that assists the driver in parking by synchronizing the steering wheel with the rear view video display marked with a guide line to help anticipate the direction of the vehicle going reverse.
3.
Front/Rear Object Warning (Obstacle Detection Feature)
The system receives obstacle warning signal from the PAS or SPAS sensors mounted on the front/rear of the vehicle and displays the obstacle location on the AVM Head Unit Screen.
4.
Tolerance Compensation (including A/S)
Manual Tolerance Compensation Software is embedded in the SVM ECM to compensate the SVM deviation that may occur due to assembly line installation tolerance. You must first setup proper work environment in order to perform correct tolerance compensation.
Main Features
No.
Main Features
Detailed Description
Notes
1
8 View Mode Display
•
4 Front & 4 Rear View Mode Display
Merged Video Display of 8 Modes
2
Front Assist Mode Selection Feature
•
Display only the Front Mode by using the Front Mode Selection Switch
Same as the PAS AVM Switch
3
Rear Steering Synchronized Parking Guide Line Display
•
Displays Parking Guide Line by synchronizing with the steering wheel when going reverse.
Display over the Rear Video
4
PAS Obstacle Indication
•
Display obstacle warning from rear and front PAS
Display both on the Cluster and the Head Unit
5
User Setting Option
•
Select Steering Wheel Synchronized Guide Line Indication  
•
Select Front/Rear Obstacle Indication
•
Select Initial Front/Rear View Screen
Provides additional screen settings
6
Assembly Line & A/S Tolerance Compensation Feature
•
Compensation - Tolerance Compensation for camera installation deviation and assembly line tolerance is required
Compensation function recognition logic applied

View Modes
1.
Front View Mode

2.
Rear View Mode

SVM Mode Entry Conditions
The vehicle information is accessed regularly, even after entering SVM mode. When the conditions are met, conversion from front mode to rear mode is available, and vice versa.
When the mode is converted, the view displayed on the screen can be the initial view or the previous view depending on the conditions.
If the mode for conversion is the initial entry, the default view is selected based on the front or rear. If a continuous front-rear conversion mode occurs as forward and backward movement are repeated for parking, the previous view is recalled and displayed.
–
Initial Entry: When the rear and front mode view in SVM mode is displayed on the screen for the first time
–
Re-entry: When switching from SVM mode to another mode, without turning off SVM, and returning to the previous mode
(e.g. Rear → Front → Rear: Re-enter rear mode / Front → Rear → Front: Re-enter front mode)
Switch mode
Vehicle speed
Gear
SVM Switch
Display view
Rear → Front
below 20 kph
R Range or P Range excluded
ON
Initial Entry: Front view set in the initial view mode option
Re-entry: The last view mode displayed in the previous front mode
Front → Rear
Irrelevant
Reverse Gear
Irrelevant
Initial Entry: Rear view set in the initial view mode option
Re-entry: The last view mode displayed in the previous rear mode

SVM Mode Disengagement
If the conditions below are satisfied while in SVM mode, the SVM is turned OFF and no video is displayed.
OFF Mode
Vehicle speed
Gear
SVM Switch
Notes
Front mode
over 20 kph
R Range or P Range
OFF
If any of the three conditions are satisfied
Rear mode
Irrelevant
Except R gear
Irrelevant
If any of the two conditions are satisfied

SVM Options
Considering the user''s convenience, the SVM provides three options for the user to select.
The window for changing options (parking guide settings) is displayed by the AVN. Only the changed options are forwarded to the SVM unit through M_CAN.
These three options are applied as soon as they have been selected by the user. Based on the conditions, the initial views displayed are as follows.
Option
Function
Default setting
Guideline steering interlocking
Interlocks with steering to display the driving direction of the vehicle during parking.
Classification code
Close range warning indicator
Indicates front and rear obstacle detection
Classification code
Initial view mode setting
Default view displayed when entering SVM mode
Front + around view
Rear + around view

Operations for Guideline Steering Interlocking Indications
The indication for the guideline steering interlocking trace uses the steering wheel angle value periodically received by the SVM unit through C-CAN.
A rear area that displays a 130 degree image of the rear mode (two-split mode) and a wide view are displayed with the expected car movement trace.
1.
View modes for guideline steering interlocking indications
Mode
View
Applied area
Notes
Rear
Around view + rear
Rear image (two-split mode)

Left rear + rear
Rear image (two-split mode)

Right rear + rear
Rear image (two-split mode)

Rear wide view
Wide view image


2.
Specifications for guideline steering interlocking trace lines
Number
Distance
Color

0.5 m
Red

1 m
Yellow

3 m
Yellow

Bumper left side end + 0.3 m
Yellow

Bumper right side end + 0.3 m
Yellow

3.
Indications for neutral trace lines
If the steering angle is neutral, the neutral trace line is indicated in blue, which shows the expected movement trace of the car.
This line is displayed with the guideline steering interlocking trace line and is also a fixed line that is not interlocked with the steering angle operation.

    Components Component Functions No.ComponentsQuantityMajor Role1SVM Unit1 – Input video information from 4 channel cameras and process display – Vehicle communication (CAN) and system control – Screen output in 8 view modes 2Ultra optical camera(190 degrees)4 – Record vehicle''s surrounding area 3AVN Head Unit1 – Provide driver with video via SVM ECM output – Send user input data to SVM ECM 4SVM Switch1 – Input video feed in Front Mode

    Circuit Diagram SVM System Input/Output 1. Camera input ItemSpecificationLens angle of view190 degreesAngle of viewHorizontal186 degreesVertical135 degreesFunctionProvides the original image of the wide angle image (no additional function)Application locationSame camera applied to the front, rear, left and right 2.

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