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Related Manuals for BMW 1993 325is
Summarization of Contents
Introduction to Electrical Schematics
Schematic Representation
Explains how electrical circuits are depicted and organized in diagrams, focusing on schematic conventions.
General Electrical Conventions
Details standard symbols, wire colors, and diagrammatic representations used throughout the manual.
Electrical Symbols and Diagram Conventions
Common Electrical Component Symbols
Illustrates and defines various electrical components and symbols used in wiring diagrams.
Wire Color and Connector Standards
Explains wire color coding and standard conventions for connectors and reference numbers in diagrams.
Relay Symbol Definitions and Functions
Details the schematic representation and terminal functions of different types of relays.
Circuit and Power Flow Conventions
Explains how circuits are represented, including fuse details, data links, and direction of current flow.
Power Distribution and Fuse Charts
Front Power Distribution Box Layout
Identifies fuse and relay locations within the front power distribution box.
LH Side Dashboard Relay and Splice Panels
Locates and identifies relays and splice points on the left-hand side of the dashboard.
RH Side Dashboard Splice Panel
Details the configuration of the splice panel located on the right-hand side of the dashboard.
Fuse Charts and Details
Fuse Chart: Fuses 1 to 29
Lists fuses 1 through 29, their amperage, and the electrical systems they protect.
Fuse Chart: Fuses 30 to 46
Identifies fuses 30 through 46 and their corresponding protected circuits.
Detailed Fuse Protection (Fuses 1-46)
Provides detailed information on specific fuses, their amperage, and the circuits they protect.
Power Distribution Diagrams
318 and 325 Main Power Distribution
Illustrates the primary power distribution circuits for specific vehicle models, showing key junctions.
Specific Power Distribution Circuit Segments
Details various segments of the power distribution network, including fuse and wire routing.
Ground Distribution Network
Ground Point Locations and Connections
Illustrates ground distribution points and their associated wiring for various connectors.
Engine and Component Ground Distribution
Details ground distribution for engine components and control modules.
Data Link and Connector Information
Data Link Block Diagram and TXD/RXD Pins
Explains data link connections and details specific pins for module communication.
Connector Pin Assignments (X6000, X11, X13012)
Provides pin assignments, descriptions, and connections for key vehicle connectors.
Connector Views
Displays visual representations of various electrical connector types found in the vehicle.
Engine Control System (DME)
DME M1.7 and M3.3.1 System Diagrams
Details circuits for fuel injection, ignition, sensors, and other engine management functions.
DME System Component Pin Assignments
Provides detailed pin assignments for DME system connectors.
Charging and Start Systems
Charging System Circuit Diagram
Illustrates the main charging system circuit, including the generator, battery, and ignition switch.
Start System Wiring and Components
Details the wiring for the ignition switch, starter motor, and related circuits.
Electronic Transmission Control (EGS)
EGS A4S 310R System Diagrams
Details circuits for electronic transmission control, including power, valves, and modules.
EGS Connector Pin Assignments
Provides pin assignments, descriptions, and connections for EGS system connectors.
Supplemental Restraint System (Air Bag)
SRS System Wiring (Early Production)
Details the Supplemental Restraint System wiring for early production models.
SRS System Wiring (Late Production)
Illustrates the Supplemental Restraint System wiring for late production models.
Slip Control (ABS) System
ABS System Overview and Circuits
Provides a diagram of the ABS system, showing its main components and connections.
ABS Connector Pin Assignments (X11)
Lists pin assignments for the X11 connector related to ABS functions.
Power Mirror Systems
Outside Mirror Control Wiring
Details the wiring for the power outside mirrors, including the control switch.
Central Locking Module II (ZVM II)
ZVM II System Diagrams and Inputs
Details the main circuit diagram and input signals for the central locking module.
ZVM II Connector Pin Assignments
Provides pin assignments for ZVM II system connectors.
Power Windows (FH) Systems
Four-Door Power Window Wiring
Illustrates the main power window circuit for four-door models.
Two-Door Power Window Wiring
Details the power window circuits for two-door vehicles.
Power Seat and Heated Seat Systems
Seat Adjustment and Heating Circuits
Shows wiring for power seat adjustments and heated seat functions.
Accessory Systems Wiring
Sun Roof, Horn, and Wiper/Washer Systems
Details circuits for sun roof, horn, headlight washer, and wiper/washer modules.
Instrument Cluster and Gauges
Instrument Cluster Indicator Diagrams
Provides diagrams for the instrument cluster and its various indicators and sensors.
Instrument Cluster Connector Pin Assignments
Details pin assignments for instrument cluster connectors.
Lighting and Signal Systems
Light Switch Details and Circuits
Details the various functions and wiring for the main light switch.
Headlights, Fog Lights, and Signals Wiring
Illustrates wiring for headlights, fog lights, turn signals, and hazard lights.
Park/Tail Lights and Related Systems
Illustrates circuits for park/tail lights, license plate, luggage, and back-up lights.
Brake Lights and Interior Lighting
Brake Light Circuit Diagrams
Details wiring for brake lights, with and without cruise control.
Interior and Accessory Lighting Circuits
Details wiring for interior lights, dome lights, and accessory lighting.
Climate Control Systems
Crash Control Module and IHKR System Wiring
Details wiring for crash control modules and integrated climate regulation systems.
IHKR Component Pin Assignments
Provides pin assignments for IHKR system connectors.
Audio, Telephone, and Cruise Control Systems
Radio, HIFI, and Speaker System Wiring
Details wiring for radio, stereo, HIFI systems, and speaker connections.
Cellular Telephone System Wiring
Details the wiring for the cellular telephone provisions and AMPS system.
Cruise Control System Wiring
Illustrates the basic wiring and components of the cruise control system.
Anti-Theft and On-Board Computer Systems
Anti-Theft System Wiring and Components
Details wiring for the anti-theft system, including door jamb switches.
On-Board Computer (BC V) Functions
Explains on-board computer functions and system integration.
Component Location and Views
Component Location Charts
Provides a reference for the physical location of various vehicle components.
Component Location Views (Modules)
Shows diagrams illustrating the location of electrical control modules within the vehicle.
Splice Location Views
Provides information on the location of various electrical splice points.
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