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4.Entry System Options 

 

4.1.System Schematic 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

4.2.Modules 

Body Bus 

OTHER ECUS 

LF (>2Kbps) 

Local Bus 

ECU

ECU

ECU

433.92MHz 

RF Tuner 

Tuner signal 

125kHz 

FOB 

ENTRY SYSTEM ECU 

RF (>4Kbps) 

4.2.1.FOB ECU 

 
 

Panic

 

433.92M
Hz 

125kHz 

Emergency key (Transponder) 

Trunk

 

Unlock 

 

Lock 

 

Z

 

FOB 

RF 

Amp 

LF 

Amp 

Y

 

X

 

ASIC 

 
 
 
 
 
 
 
 
 
 
 
 
 

4.2.2.Entry System ECU

 

 

Tuner signal 

Interior Antenna 

LF 

Exciter

LF 

Exciter

LF 

Exciter

LF 

Exciter

Room1 

Dr

 

As

 

Trunk

 

Exterior Antenna 

125kHz 

Dr : Driver Door Antenna 

As : Assist Door Antenna 

Trunk : Bumper Antenna 

Room1: Console Antenna   
Room2: Inst. Antenna   

Room3: Trunk Antenna

 

LF 

Exciter

LF 

Exciter

Room2 Room3 

Local Bus

 

Body Bus

 

Push knob 

(Engine start knob)

 

Dr Door handle

 

As Door handle

 

Trunk

 

MCU 

ENTRY SYSTEM ECU 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание TWB1U773

Страница 1: ...User s Manual Passive Entry System Model No TWB1U773 There is no User s Manual because this equipment will not be sold to end user directly...

Страница 2: ...IONALITY 3 1 Door Unlocking 3 2 Engine Start 3 3 Engine Stop 3 4 Door Locking 3 5 Trunk Open 4 ENTRY SYSTEM OPTIONS 4 1 System Schematic 4 2 Modules 4 2 1 FOB ECU 4 2 2 Entry System ECU 5 SYSTEM CHARA...

Страница 3: ...munication data encryption cryptograph anti collision rolling code and stuff And the entry system ECU consists of the following functionality Door unlocking locking Trunk open Engine start stop LF enc...

Страница 4: ...y check if user is in neighborhood of the vehicle The switch input will trigger for unlocking and open the doors and trunk Door Handle SW Figure 1 2 1 Door Unlocking User pushes door handle sw ECU sen...

Страница 5: ...mobilizer ECU receives and authorize the response Engine controller ECU receives the authorization for engine strat FOB RF LF Start the engine Figure 3 2 3 Engine Stop User operates the engine stop kn...

Страница 6: ...pushes the switch sensing of door locking switch ECU sends LF challenge via exterior antenna FOB sends RF response to the ECU Door locking status is engaged Doors are locked Indicates the door lockin...

Страница 7: ...he current one 3 2 Engine Start This function does not effect on the active entry system 3 3 Engine Stop This function does not have influence on the active entry system 3 4 Door Locking Same function...

Страница 8: ...Unlock Lock Z FOB RF Amp LF Amp Y X ASIC 4 2 2 Entry System ECU Tuner signal Interior Antenna LF Exciter LF Exciter LF Exciter LF Exciter Room1 Dr As Trunk Exterior Antenna 125kHz Dr Driver Door Anten...

Страница 9: ...exterior exciters typ 3 however it is depending on the type of the vehicle Number of the interior exciters max 4 min 2 Dr Interior Exterior As Back Figure 6 Exterior antenna functionality Unlock lock...

Страница 10: ...ns Exterior exciters 3 doors Interior exciters 1 Center Console 2 Inst panel 3 Trunk Bumper Interior Exterior Dr As Figure 7 Antenna location can be different among of type of the vehicle e g coupe se...

Страница 11: ...me switches for instance the door handle contact switch will be used as a triggering for unlocking and open the door Switch inputs 3 doors Dr As Trunk Figure 8 Switch inputs can be different among of...

Страница 12: ...current 35mA Stand by current 10 0uA Operating ambient temperature 10o C to 60 o C Antenna direction 3 Dimension X Y Z to be considered Battery life 1 5 Years Low battery indication is considered 6 2...

Страница 13: ...rity to operate the equipment NOTICE This device complies with Part 15 of the FCC Rules and RSS Gen of IC Rules Operation is subject to the following two conditions 1 this device may not cause harmful...

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