Alps Electric TWB1U773 User Manual Download

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FCC WARNING

Changes or modifications not expressly approved by the party responsible for compliance

could void the user’s authority 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 interference, and

(2) this device must accept any interference received, including interference that may

cause undesired operation.

Summary of Contents for TWB1U773

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...