CWTWCU240Vehicle Receiver

CONTENTS 1. PREFACE 2. PASSIVE ACCSESS ENTRY FUNCTIONALITY 2.1. Door Unlocking 2.2. Engine Start 2.3. Engine Stop 2.4. Door Locking (Push switch) 3. ACTIVE ACCESS ENTRY FUNCTIONALITY 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 CHARACTERISTICS 5.1. Antenna Areas 5.2. Exciter Locations 5.3. Switch Input Locations (Door handle) 6. ELECTRICAL CHARACTERISTICS 6.1. FOB 6.2. Entry System ECU FCC WARNING NOTICE 1.Preface This document describes the requirements and operation of the Passive Entry System. However, this document is especially for the Entry system ECU (acronym for Electric Control Unit) and the FOB. The FOB consists the following functionality for passive access and active access: • • • • • • • • • • • • • • • • Door unlocking / locking (however, only for request by means of switch operation) Trunk open (however, only for request by means of switch operation) LF decoding RF encoding Communication 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 encoding RF encoding Communication data encryption (cryptograph, anti-collision, rolling code and stuff) LF antenna unit control Communication with the node ECUs connected to the body bus (e.g. CAN, J1850, customer dependent bus) As a further function, both the FOB and the entry system ECU provides the following function: Learning mode for programming the manufacturing data and stuff Data locking and password protection Diagnostic (based upon ISO9141 if required) 2.Passive Accsess Entry Functionality A handle sw located on, for example the door handles, mirrors and trunk lid will be used for proximity 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 sends LF-challenge via exterior antenna. FOB sends RF-response to the ECU. Door unlocking status is engaged. Doors are opened. RF LF FOB Figure 2 2.2.Engine Start • • • • • • User operates the engine start knob. ECU sends LF-challenge via interior antenna. FOB sends RF-response to the ECU. Immobilizer 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 knob. ECU communicates with the other ECU for engine start request. Engine controller ECU receives the request. Stop the engine Figure 4 2.4.Door Locking (Push switch) • • • • • • User closes the door and 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 locking status by means of Flasher / Buzzer or stuff) Figure 5 3.Active Access Entry Functionality 3.1.Door Unlocking Same functionality as the 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 functionality as the current one. 3.5.Trunk Open Same functionality as the current one. 4.Entry System Options 4.1.System Schematic 4.2.Modules Body Bus OTHER ECUS LF (>2Kbps) Local Bus ECUECUECU 315MHz RF Tuner Tuner signal 125kHz FOB ENTRY SYSTEM ECU RF (>4Kbps) TWC1U240 4.2.1.FOB ECU Panic 315MHz 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 Excite r LF Excite r LF Excite r LF Excite r Room1 DrAs 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 Excite r LF Excite r Room2 Room3 LocalBus BodyBus Push knob (Engine start knob) Dr Door handle As Door handle Trunk MCU ENTRY SYSTEM ECU 5.System Characteristics 5.1.Antenna Areas Exterior operating range: 0.8m to 1.5m Interior operating range: Only inside the car Number of the exterior exciters : typ.3, however, it is depending on the type of the vehicle. Number of the interior exciters: max.4 (min.2) Interior Exterior DrAs Back Figure 6 Exterior antenna functionality: • • • • • • Unlock / lock doors. Open trunk. Activate / deactivate alarm system. Activate immobilizer Interior antenna functionality: Deactivate immobilizer Engine start 5.2.Exciter Locations 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, sedan, mini and stuff). 5.3.Switch Input Locations (Door handle) There are some 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 type of the vehicle (e.g. coupe, sedan, mini and stuff). 6.Electrical Characteristics 6.1.FOB • • • • • • • • • • • • ASK / FSK modulation Operating supply voltage 2.5V ~ 3.3V (3.0V Battery) Operating supply current < 35mA Stand-by current < 10.0uA Operating ambient temperature -10 o 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.Entry System ECU Operating supply voltage 9.0V ~ 16.0V Operating supply current < 55mA Stand-by current < 4.0mA Operating ambient temperature -30 o C to +80 o C 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…

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Passive Entry System (Tuner Unit) [TWC1U240] FCC ID : CWTWCU240 IC Number : 1788D-FWC1U240 External Photo ALPS ELECTRIC CO., LTD. Top Bottom Passive Entry System (Tuner Unit) [TWC1U240] FCC ID : CWTWCU240 IC Number : 1788D-FWC1U240 External Photo ALPS ELECTRIC CO., LTD. Front Back Passive Entry System (Tuner Unit) [TWC1U240] FCC ID : CWTWCU240 IC Number : 1788D-FWC1U240 External Photo ALPS ELECTRIC CO., LTD. Side Left Side Right

Label Tuner UNIT (TWC1U240) *The way of attaching FCC ID is “Carving”

Passive Entry System (Tuner Unit) [TWC1U240] FCC ID : CWTWCU240 IC Number : 1788D-FWC1U240 Internal Photo ALPS ELECTRIC CO., LTD. PCB with shield PCB without shield Passive Entry System (Tuner Unit) [TWC1U240] FCC ID : CWTWCU240 IC Number : 1788D-FWC1U240 Internal Photo ALPS ELECTRIC CO., LTD. PCB Bottom

FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 2 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) Table of Contents Page 1 Applicant Information 3 2 Product Description 3 3 Test Specification, Procedures and Results 4 4 System Test Configuration 6 5 Radiated Emissions 7 Contents of Appendixes 8 APPENDIX 1: Photographs of test setup 9 APPENDIX 2: Test Data 11 APPENDIX 3: Test instruments 13 FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 3 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) 1 Applicant Information Company Name : Alps Electric Co., Ltd. Address : 6-3-36 Nakazato, Furukawa-shi, Miyagi-ken, 989-6181 JAPAN Telephone Number : +81-229-23-5111 Facsimile Number : +81-229-23-3755 Contact Person : Katsuhiro Seino 2 Product Description Type of Equipment : Passive Entry System (Tuner) Model No. : TWC1U240 Serial No. : 512AB33A Rating : : DC12V (Car Battery) Country of Manufacture : Japan Receipt Date of Sample : February 20, 2006 Condition of EUT : Production prototype (Not for Sale: This sample is equivalent to mass-produced items.) Model: TWC1U240 (referred to as the EUT in this report) is a RF signal tuner unit. The Passive Entry System is a system which locks, unlocks and can start engine only with the intelligent-key of the vehicle. Frequency of operation : 315MHz Intermediate frequency : 10.7MHz Local frequency : 325.7MHz Other clock frequency : 65.14MHz (Crystal) Type of receiver : Super Heterodyne Antenna type : Internal Bar antenna Antenna connector type : None Operation temperature range : -40 ~ +80 deg. C. FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 4 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) 3 Test Specification, Procedures and Results 3.1 Test specification Test Specification : FCC Part 15 Subpart B: 2006 Title : FCC 47CFR Part 15 Radio Frequency Device Subpart B Unintentional Radiators 3.2 Procedures & Results Item Test Procedure Limits DeviationWorst margin Result Conducted emission ANSI C63.4: 2003 7. AC powerline conducted emission measurements CISPR 22 N/A *1 N/A N/A Radiated emission ANSI C63.4: 2003 8. Radiated emission measurements FCC §15.109(a) N/A 16.1dB (651.40MHz, Horizontal) Complied Antenna power conduction for receivers ANSI C63.4: 2003 12.1.5 Antenna-conducted power measurements FCC §15.111(a) N/A *2 N/A N/A *1) The test is not applicable since the EUT has no AC mains. *2) The test is not applicable to the EUT since the EUT does not have antenna port. Note: UL Apex’s EMI Work Procedures No.QPM05. 3.3 Addition to standard No addition, deviation or exclusion has been made from the standard. 3.4 Uncertainty Radiated emission The measurement uncertainty (with 95% confidence level) for this test using Biconical antenna is ±4.5dB. The measurement uncertainty (with 95% confidence level) for this test using Logperiodic antenna is ±4.3dB. The data listed in this test report has enough margin, more than site margin. FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 5 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) 3.5 Test Location UL Apex Co., Ltd. Yamakita EMC Lab. 907, Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken 258-0124 JAPAN Telephone number : +81 465 77 1011 Facsimile number : +81 465 77 2112 NVLAP Lab. code : 200441-0 No. 1 test site has been fully described in a report submitted to FCC office, and accepted on August 26, 2005 (Registration No.: 95486). IC Registration No. : IC3489A No. 2 test site has been fully described in a report submitted to FCC office, and accepted on April 4, 2005 (Registration No.: 466226). IC Registration No. : IC3489A-2 No. 1 anechoic chamber has been fully described in a report submitted to FCC office, and accepted on November 2, 2005 (Registration No.: 95967). IC Registration No. : IC3489A-B Test room Width x Depth x Height (m) Test room Width x Depth x Height (m) No.1 shielded room 8.0 x 5.0 x 2.5 10.0 x 7.5 x 5.7 No.2 shielded room 5.0 x 4.0 x 2.5 No.1 EMS lab. (Semi-anechoic chamber) No.3 shielded room 4.0 x 5.0 x 2.7 FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 6 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) 4 System Test Configuration 4.1 Justification The system was configured in typical fashion (as a customer would normally use it) for testing. Test mode: Receiving mode 4.2 Configuration of Tested System Front View Top View * Test data was taken under worse case conditions. Description of EUT and support equipment No. Item Model numberSerial number Manufacturer FCC ID (Remarks) A Passive Entry System (Tuner) TWC1U240 512AB33A Alps Electric Co., Ltd. CWTWCU240 (EUT) B Passive Entry System (Hand Unit) TWB1U735 - Alps Electric Co., Ltd. - C Checker Box - - Alps Electric Co., Ltd. - D Passive Entry System (Control Unit) TWD1U630 WD1U630A Alps Electric Co., Ltd. - *1) DC Power Supply (Model No.: PAN35-10A) was used for DC 12V input. List of cables used No. Name Length (m) Shield Remark 1 Tuner Signal and DC cable 1.0 Unshielded - 2 Cable for Control Unit 2.0 Shielded - 3 DC cable 1.9 Unshielded - A C D DC12V *1 1 2 B 3 C D 1 DC12V *1 2 B 3 A FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 7 of 13 Issued date : March 2,…

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FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 9 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) Radiated emission FCC ID : CWTWCU240 Test report No. : 26GE0141-YK Page : 10 of 13 Issued date : March 2, 2006 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-machi, Ashigarakami-gun, Kanagawa-ken, 258-0124 JAPAN Telephone: +81 465 77 1011 Facsimile: +81 465 77 2112 MF060b(12.02.06) Pre-check of worst position X-axis Y-axis Z-axis