
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Confidential CONTENTS 1. PREFACE 2. PASSSIVE 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 Confidential Diagnostic (based upon ISO9141 if required) 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 Confidential 2.Passsive 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 Confidential 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 Confidential 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 Confidential 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. Confidential 4.Entry System Options 4.1.System Schematic 4.2.Modules Body Bus OTHER ECUS LF (>2Kbps) Local Bus ECUECUECU 314.85MHz RF Tuner Tuner signal 125kHz FOB ENTRY SYSTEM ECU RF (>4Kbps) 4.2.1.FOB ECU 314.85MHz 125kHz Emergency key (Transponder) Trunk Unlock Lock Y X Z ASIC LF Amp RF Amp FOB 4.2.2.Entry System ECU Tuner signal Room2 Room3 LF Excite r LF Excite r Interior Antenna Room1: Console Antenna Room2: Inst. Antenna Room3: Trunk Antenna Dr : Driver Door Antenna As : Assist Door Antenna Trunk : Bumper Antenna Exterior Antenna 125kHz Trunk As Dr Room1 LF Excite r LF Excite r LF Excite r LF Excite r Local Bus Body Bus Push knob (Engine start knob) Dr Door handle As Door handle Trunk MCU ENTRY SYSTEM ECU Confidential 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) Dr Interior Exterior As Bumper Figure 6 Exterior antenna functionality: Unlock / lock doors. • • • • • • Open trunk. Activate / deactivate alarm system. Activate immobilizer Interior antenna functionality: Deactivate immobilizer Engine start Confidential 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). Confidential 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). Confidential 6.Electrical Characteristics 6.1.FOB • • • • • • • • • • • • 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 Confidential FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authori…
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Alps Electric Co., Ltd. FCC ID: CWTWBJ482 External Photo Front Rear Alps Electric Co., Ltd. FCC ID: CWTWBJ482 External Photo Top Bottom Alps Electric Co., Ltd. FCC ID: CWTWBJ482 External Photo Left Right
Confidential Label Hand Unit (TWB1J482) *The way of attaching FCC ID is “Carving”
Alps Electric Co., Ltd. FCC ID: CWTWBJ482 Internal Photo Cover Open Side A Cover Open Side B Alps Electric Co., Ltd. FCC ID: CWTWBJ482 Internal Photo PWB Side A PWB Side B
FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 2 of 20 Issued date : February 23, 2007 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 (14.06.06) Table of Contents Page 1 Applicant Information 3 2 Equipment under test (E.U.T.) 3 3 Test Specification, Procedures and Results 4 4 System Test Configuration 6 5 Automatically Deactivate 7 6 Radiated Emissions (Fundamental & Spurious) 8 7 Bandwidth 9 Contents of Appendixes 10 APPENDIX 1: Photographs of test setup 11 APPENDIX 2: Test Data 13 APPENDIX 3: Test instruments 20 FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 3 of 20 Issued date : February 23, 2007 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 (14.06.06) 1 Applicant Information Company Name : Alps Electric Co., Ltd. Address : 6-3-36 Furukawanakazato, Osaki-shi, Miyagi-ken, 989-6181 JAPAN Telephone Number : +81 229 23 5111 Facsimile Number : +81 229 23 3755 Contact Person : Katsuhiro Seino 2 Equipment under test (E.U.T.) 2.1 Identification of E.U.T. Type of Equipment : Passive Entry System (Hand Unit) Model No. : TWB1J482 Serial No. : Automatically deactivate: 933756, Other test: 407DB17 Rating : DC3V (Battery) Country of Manufacture : Japan Receipt Date of Sample : February 9, 2007 Condition of EUT : Production model Modification of EUT : No modification by the test lab. 2.2 Product Description Model: TWB1J482 (referred to as the EUT in this report) is a Hand unit, which is carried by the owner of the vehicle. The Passive Entry System is a system which locks, unlocks and can start engine only with the intelligent-key of the vehicle. Equipment type : Transceiver Frequency of operation : Tx: 314.85MHz, Rx: 125kHz Clock frequency : CPU: 8MHz (CR), SAW Resonator: 314.89MHz Type of modulation : FSK (Tx) Antenna type : Tx: Internal/PCB Pattern (Loop) Rx: 3-axis Internal / (Loop coil and bar antenna) Antenna connector type : None ITU code : F1D Operation temperature range : -10 to +60 deg.C. *FCC Part15.31 (e) This test was performed with the new battery (DC 3V); therefore, this EUT complies with the requirement. *FCC Part15.203 It is impossible for end users to replace the antenna, because the antenna is mounted inside of the EUT. Therefore, the equipment complies with the requirement. FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 4 of 20 Issued date : February 23, 2007 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 (14.06.06) 3 Test Specification, Procedures and Results 3.1 Test specification Test specification : FCC Part15 Subpart C: 2006 Title : FCC 47CFR Part15 Radio Frequency Device Subpart C Intentional Radiators Section 15.209: Radiated emission limits, general requirements Section 15.231 Periodic operation in the band 40.66 - 40.70 MHz and above 70 MHz 3.2 Procedures & Results Item Test Procedure Specification Remarks Deviation Worst Margin Results Conducted Emission ANSI C63.4: 2003 7. AC powerline conducted emission measurements Section 15.207(a) - N/A *1 - N/A Automatically Deactivate ANSI C63.4:2003 13. Measurement of intentional radiators Section 15.231(a)(1) Radiated N/A - Complied Electric Field Strength of Fundamental Emission ANSI C63.4: 2003 13. Measurement of intentional radiators Section 15.231 (b) Radiated N/A 15.4dB (Horizontal, PK) Complied Electric Field Strength of Spurious Emission ANSI C63.4: 2003 13. Measurement of intentional radiators Section 15.205 Section 15.209 Section 15.231 (b) Radiated N/A 1.4dB (1574.25MHz, Vertical, AV) Complied -20dB Bandwidth ANSI C63.4: 2003 13. Measurement of intentional radiators Section 15.231(c) Radiated N/A - Complied *1) The test is not applicable since the EUT has no AC mains. Note: UL Apex’s EMI Work Procedures No.QPM05. * No addition, exclusion nor deviation has been made from the standard. 3.3 Uncertainty Radiated emission test 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 measurement uncertainty (with 95% confidence level) for this test using Horn antenna is ±5.2dB. The data listed in this report meets the limits unless the uncertainty is taken into consideration. FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 5 of 20 Issued date : February 23, 2007 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 (14.06.06) 3.4 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 Semi-anechoic chamber No.3 shielded room 4.0 x 5.0 x 2.7 FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 6 of 20 Issued date : February 23, 2007 UL Apex Co., Ltd. YAMAKITA EMC LAB. 907 Kawanishi, Yamakita-mach…
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FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 11 of 20 Issued date : February 23, 2007 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 (14.06.06) Radiated emission FCC ID : CWTWBJ482 Test report No. : 27FE0254-YK-B Page : 12 of 20 Issued date : February 23, 2007 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 (14.06.06) Pre-check of the worst position X-axis Y-axis Z-axis
907 Kawanishi, Yamakita-machi, Ashigarakami-gui · Kanagawa-ken · Japan
| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15.231 | 314.85 MHz - 314.85 MHz | - |
5G Communication Module
Equipment Class
PCB - PCS Licensed TransmitterAutomatic access gesture control
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Sensor for opening and closing doors in cars
Equipment Class
FDS - Part 15 Field Disturbance Sensor
Automatic access gesture control
Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
KEYLESS ENTRY SYSTEM
Equipment Class
DSC - Part 15 Security/Remote Control Transmitter