奔驰汽车驾驶员识别系统.pdf

1 Fuel Supply ME SFI Engine Management Tip Start DAS Part 13 508 HO Part 13 Tip start DAS WJB 04 01 01 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 2 These technical training materials are current as of the date noted on the materials and may be revised or updated without notice Always check for revised or updated information To help avoid personal injury to you or others and to avoid damage to the vehicle on which you are working you must always refer to the latest Mercedes Benz Technical Publication and follow all pertinent instructions when testing diagnosing or making repair Illustrations and descriptions in this training reference are based on preliminary information and may not correspond to the final US version vehicles Refer to the official introduction manual and WIS when available Copyright Mercedes Benz USA LLC 2000 Reproduction by any means or by any information storage and retrieval system or translation in whole or part is not permitted without written authorization from Mercedes Benz USA LLC or its successors Published by Mercedes Benz USA LLC Printed in U S A 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 3 Start Criteria In this program we will cover two basic functions that are required to start the vehicle DAS 2b 3 Drive Authorization System Tip start 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 4 DAS Comparison Year Model1998 170 129 140 163 1998 210 208 202 220 2 15 203 DAS systemDAS 2bDAS 3 Triggered bytransponder in keymicro processor in key Signal typeinductively coupled RF IR Authorization checked by RFL N54 3 AAM DAS 163 EIS N73 Unauthorized start result No fuel may crank briefly No fuel ignition switch locked steering or shifter locked chassis dependent 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 5 DAS 2b All of the keys include Transponder chips Maximum of 8 active keys per vehicle 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 6 Key Coding Key 1Variable Code Key 2Variable Code Key 3Variable Code Key 4Variable Code Key 5Variable Code Key 6Variable Code Key 7Variable Code Key 8Variable Code 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 7 DAS 2b RF Antenna N54 DAS control module Fuel ECM PSE Flasher relay M Class varies slightly 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 8 M Class As of MY 2000 N10 1 EAM N10 1 n1 instead of N54 Immobilizer 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 9 Immobilizer Transponder coil in Ignition Lock Engine ECU N3 Driveaway Interlock System Transponder Key Engine CAN Bus EAM DAS Function N10 1 N10 1 n1 Immobilizing function EAM N10 1 DAS N10 1 n1 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 10 Diagnosing Starting Problems Note Pay attention to the red LED on the dash and the odometer readout Symptoms Possible cause Situation 1 NO LED flash Start error in odometer Engine may crank Key transponder or DAS If engine starts OK with different key then the key is defective If there is no fault memory Immobilizer or EAM N10 1 are suspect 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 11 Diagnosing Starting Problems Note Pay attention to the red LED on the dash and the odometer readout Symptoms Possible cause Situation 2 No LED flash No message in odometer No engine cranking CAN defect 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 12 Diagnosing Starting Problems Note Pay attention to the red LED on the dash and the odometer readout Symptoms Possible cause Situation 3 LED does flash Start error in odometer Engine will crank ME system or open circuit 50 to ME N3 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 13 Diagnosing Starting Problems Note Pay attention to the red LED on the dash and the odometer readout Symptoms Possible cause Situation 4 LED does flash No message in odometer No engine cranking ME system without power 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 14 Diagnosing Starting Problems Note Pay attention to the red LED on the dash and the odometer readout Symptoms Possible cause Situation 5 LED does flash No message in odometer Engine will crank 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 15 DAS 3 The electronics in the key include a radio transmitter an infrared unit for central locking an infrared unit for DAS 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 16 Electronic Ignition Switch EIS N73 Inductive coil to power key Key rotating coil 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 17 DAS IR Signal Authentication Test 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 18 DAS Function CAN 1 Key authorized 2 Steering unlocked 4 Start authorized EIS N73 ESL N26 5 ME N3 3 Key rotation allowed 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 19 DAS Function 215 220 CAN C 215 220 chassis EIS N73 ME N3 Electronic Selector Lever Module ESM N15 5 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 20 Lock Data Management Key railsFirst generation key Replacement key A Replacement key B 1Remote key 2Remote key 3Emergency key 4Additional key 5Additional key 6Additional key 7Additional key 8Additional key Rolling codes available 1 through 200 000 200 001 400 000 400 001 600 000 Key 1A Additional keyKey 4A Key 1B 24 keys total only 8 active at one time 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 21 Green Key Required for replacing EIS order with VIN reinstating a blocked key 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s Service Tips You must have a green workshop key containing vehicle lock data when replacing the EIS Insert green workshop key into EIS observe LED on green key LED on indicates data transfer in process May take up to 90 minutes to complete process LED blinking indicates data flow interrupted LED shuts off when data transfer is completed 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 23 Service Tips Function check all keys in ignition switch Use HHT or SDS to activate EIS this will marry the EIS to the vehicle If the ESL won t respond when the key is inserted remove the fuse for the ESL to reset lock position 215 220 When replacing the EIS the ESM also needs time to change the codes after the green key LED goes out Ignition in the on position may take up to 90 minutes 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s Transport Protection EIS and ESL devices are locked during transport to prevent unauthorized use To release transport protection For EIS this is done automatically when using the green key For the ESL the HHT or SDS must be used to disengage the transport protection and activate the unit 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 25 Other Terms Personalization Security relevant vehicle specific data which allows part to be tested in vehicle Activated Parts are married to car Can not be used on another vehicle Test Counter Test mode counter starts at 149 and goes down to 0 At 0 parts becomes married 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 26 Service Tips for M Class As of MY 2000 If the EAM N10 1 has to be replaced 1 Insert the existing DAS N10 1 n1 into the new EAM N10 1 If the DAS N10 1 n1 has to be replaced 1 Order DAS N10 1 n1 for the vehicle using the VIN 2 Insert the new DAS N10 1 n1 into the EAM N10 1 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 27 To order a new key 1 Order key using the VIN 2 Teach the remote part of the key to the AAM2 N10 via SDS 3 DAS function should work immediately 4 A replacement key will not work until the LED goes out Ignition on If the ME ECU N3 has to be changed Install new ME ECU N3 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 28 If the complete lock set needs to be replaced 1 Replace DAS N10 1 n1 ME N3 All mechanical locks 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s Review Questions How many keys can be used at one time on a vehicle equipped with DAS 8 How many keys are available on a vehicle with DAS 3 24 but only 8 keys can be used at one time How is the key powered up in a DAS 3 vehicle Inductively 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 30 Tip Start Advantages Customer convenience Protect the flywheel Protect the starter motor Will ensure to a point that the engine will start on the first attempt 更多免费资源请登陆 8848汽车技术论坛 h t t p w w w v w 8848 c o m b b s 31 Tip Start Activation CAN 1 DAS authorized start signal circuit 50 60mS 2 Coolant temp RPM and P N evaluated 3 Start relay activated N15 ME EIS CKPECTStarter Starter relay 更多免费资源请登陆 8848