Body Control Module: Description and Operation

Description

Communication network diagram










IPM Overview
The Body Control Module (IPM-Intelligent integrated Platform Module) supplies vehicle occupants with visual and audible information and controls various vehicle functions.
To provide and receive information, the module is interfaced to the vehicle's CAN bus communications network.
The IPM provides the following features :
- Door Lock Control(Send Lock/ Unlock commend via CAN)
- Burglar Alarm Control
- Decayed Room Lamp and MODE Lamp Control
- Key Hole Illumination Control
- Trunk Open Control
- Warning(Buzzer and indicator)Control
- Wiper control
- Lamp control (Tail, Head Lamp Low and High, Front fog, Room Lamp, Rear Fog lamp Control, HLLD)
- Turn/Hazard Signal Control
- Defroster
- External Buzzer and Burglar Alarm Horn control
- Panic
- Window control
- Key interlock solenoid
- Input signal sends via CAN for local functions
- Diagnostic

Abbreviations






Function

Seat Belt Reminder (SBR - EC DRV Function)
When driver have their seat belts unfasten during driving, sound or indicator warning remind them of fastening their seat belts.










Seat Belt Reminder (SBR - EC DRV Function)
When passengers have their seat belts unfasten during driving, sound or indicator warning will remind them to fastening their seat belts.










Key Reminder Warning(Key Operated Warning)
If driver opens the driver side door and go away from the car during key is inserted or ACC state, a sound warning reminds a driver that key has to be taken off or ACC state has to be changed to Off state.










Parking Brake Warning
If driver drives the vehicle with parking brake engaged or not completely released, and vehicle speed exceeds the specific value of 5km/h (3MPH), a sound warning reminds the driver that parking brake has to be released.










Smart key (SMK) Warning
SMK System Warnings conditions of activation are controlled by the SMK unit. When a condition is satisfied, SMK unit sends corresponding warning request to IPM and cluster by CAN, IPM only operates the external buzzer. Internal Warning Buzzer or Warning Indicator are operated by the Cluster.(refer the SMK warning specification.)










Alarm Horn Control










Interior Lamp Control










Flasher Control
This IPM Flasher describes the following functions
- One Touch Triple Turn Option Control Function
- Hazard Flashing Control Function
- Turn Signal Flashing Control Function
- Emergency Stop Release Flasher Function
- Flasher Output Control Function
- Flasher SCG (Short Circuit To Ground) Failure Control Function










Power Window Control
This IPM Power Window describes the following functions
- Power Window Maintained Mode Control Function
- Power Windows Enable Control Function
- Power Windows Enable Control Function
- Rear Window Power Control Function
- Rear Left/Right Manual Up/Manual Down Control Function










Defroster Control










Rear Curtain Control by Switch










Rear Curtain Control by Shift Lever










Key Interlock Control










ATM Solenoid Control










Front Wiper Low Speed Control










Front Wiper High Speed Control










Front Wiper Mist Control










Front Washer Control










Front Wiper Intermittent Control










Head Lamp Washer By Front Wiper Washer Control










Door Lock/unlock Control
This IPM Door Lock describes the following functions:
- Auto Door Lock (Unlock) Option Control Function
- Central Door Lock Unlock Control Function
- Central Locking Unlocking by Switch Control Function
- Locking Unlocking Control by RKE Function
- Locking Unlocking Control by SMK Function
- Central Locking Unlocking by Driver Mechanical Key Control Function
- Unlocking by Crash Control Function
- Side Airbag Signal Function
- Auto Door Lock by Shift-Lever
- Auto Door Lock by Vehicle Speed
- Auto Door Unlock by Shift-Lever
- Auto Door Unlock by Driver Safety Knob state
- Auto Door Unlock by Key Off
- Key Reminder Unlock
- Key Reminder Unlock by SMK Key Reminder Unlock Function


















Trunk Control
This IPM Trunk describes the following functions:
- Trunk Release Control Function
- Trunk Status Indicator Function
- Trunk Lamp Function