《宝马E87一般车辆电气系统培训师背景材料》由会员分享，可在线阅读，更多相关《宝马E87一般车辆电气系统培训师背景材料（48页珍藏版）》请在金锄头文库上搜索。
1、Trainer Background Material General Vehicle Electrical Sy- stems E87BMW ServiceThe information contained in the trainer background material is intended solely for the trainer of BMW Aftersales Training.Refer to the latest relevant “BMW Service“ information for any changes/supplements to the Technica
2、l Data.Information status: April 2004conceptinfobmw.de 2004 BMW AG Aftersales Training, Mnchen, Germany. Reprints of this manual or its parts require the written approval of BMW AG, Mnchen.Trainer Background Material General Vehicle Electrical SystemsPin assignments of control unitsSwitches in steer
3、ing column switch clusterContents General Vehicle Electrical System Introduction1 More information for the trainer1System components3 Anti-theft alarm system3 Comfort access4 Seat control unit5 Junction box control unit6 Footwell module15 Roof function centre19 Car Access System 221 Functions23 Cent
4、ral locking23 Wipe/wash system24 Electric steering lock29 Park distance control30 Seat heating34 Steering column switch cluster35 Comfort access4017Introduction General Vehicle Electrical SystemsMore information for the trainerThis trainer background material THG providesthetrainerwithfurtherinforma
5、tionon the general vehicle electrical system of the new BMW 1 Series.Thistrainerbackgroundmaterialissubdivided into the following sections: Pin assignments for the control units Anti-theft alarm system (DWA) Comfort access CA Seat control unit Junction box JB Footwell module FRM Roof function center
6、 FZD Car access system 2 CAS 2 Central locking Wipe/wash system Electric steering lock Park distance control Seat heating Steering column switch cluster Comfort access2738System components Vehicle electrical systemAnti-theft alarm systemUltrasonic passenger compartment protection 3The pin assignment
7、s reflect the current planning status. Please refer to the BMW diagnosis systems for vehicle troubleshooting for the current pin assignments. 1The connection to the ultrasonic passenger compartment protection system is designed as an 8-pole multipin connector with following pin assignments:PinDesign
8、ation Description 1KL.30Terminal 30 2K-CAN_LK-CAN 3K-CAN_HK-CAN 4- 5LEDDWA-LED activation 6- 7DWA busLocal bus based on K-bus protocol 8KL31Terminal 3148Comfort accessPin assignmentsThe comfort access control unit is connected viaa26-pinconnectortotheotherusersinthe vehicle electrical system.Pinassi
9、gnmentsofelectronicouterdoor handle modulePinDesignationDescription 1CAS_BUSCAS-bus 2K_CAN_LK-CAN Low 3WUP_FBDWake-up remote control 4CAS_BUSCAS-bus 5- 6ANT_1_1Antenna, front interior, connection A 7- 8ANT_2_1Antenna, centre interior, connection A 9- 10ANT_3_1Antenna, luggage compartment, connection
10、 A 11- 12- 13ANT_4_1Antenna, rear, connection A 14KL_30Terminal 30 15K_CAN_HK-CAN High 16KL_31Terminal 31 17CAS_BUSCAS-bus 18ANT_3_2Antenna, luggage compartment, connection B 19- 20ANT_1_2Antenna, front interior, connection B 21- 22ANT_2_2Antenna, centre interior, connection B 23- 24- 25ANT_3_3Anten
11、na, rear, connection B 26-PinDesignationDescription 1CAS_BUSCAS-bus 2- 3KL_31Terminal 31 4KL_30Terminal 3058Seat control unitPin assignmentsThe seat control unit is connected with three plug connectors. The 8-pin connector provides the connection to the vehicle.Wiring harness connectorBackrest conne
12、ctorSeat connectorPinDesignationDescription 1- 2- 3PWMPulsewidth-modulatedsignalfromjunctionboxcontrolunit 4KL15Terminal 15 5- 6- 7KL30Terminal 30 8KL31Terminal 31PinDesignationDescription 1KL31Heating mat, terminal 31 backrest 2- 3KL15Terminal 15, backrest heating mat 4-PinDesignationDescription 1K
13、L31Terminal 31, seat heating mat/temperature sensor 2- 3-Seat cushion temperature sensor 4KL15Terminal 15, seat heating mat 5-68Junction box control unitConnection to junction box connector J1PinDesignationIn/ OutTypeConnect ion toDescription1D_HHSIDiagnosis-Rear window defogger, relay diagnosis 2D_
14、WISCHEN-HECK IDiagnosis-Rear wiper, relay diagnosis 3KL30_EIPositive direct-Terminal 30 for JB processor (not peripherals), K-CAN, PT- CAN, OBD (5V), not fuse- protected 4C_WISCHEN-HECK ODriver ground-Rear wiper, switched ground at relay 5KL30_ZV1IPositive- F56-Terminal 30 ZV Part 1, not including r
15、ear hatch and rear window 6KL30_ZV2IPositive- F57-Terminal 30 ZV Part 2, not including rear hatch and rear window 7KL30_F(58)IConnectorJ4-P3- 8KL30_F(59)IConnectorJ4-P19- 9KL30g_F(60)IConnectorJ4-P1- 10KL30g_F(61)IConnectorJ4-P37- 11C_KL30b_OFFODriver ground-Bistable relay, switched ground 12C_HHSOD
16、river ground-Rear window defogger, switched ground at relay 13C_KL30b_ONODriver ground-Bistable relay, switched ground 14C_WI1ODriver ground-Wiper 1-relay, switched ground 15D_WI1IDiagnosis-Wiper 1-relay, relay diagnosis 16C_WI2ODriver ground-Wiper 2-relay, switched ground 17C_HORNOConnectorJ4-P2Steering wheel contact ground for horn relay
