BMW 635csi 1985 Electrical Troubleshooting Manual
This comprehensive Electrical Troubleshooting Manual provides detailed guidance for diagnosing and repairing electrical faults in the 1985 BMW 635CSi model.
Key Features and Benefits:
- Step-by-step troubleshooting procedures guide you through the diagnostic process, identifying potential causes and solutions.
- Detailed electrical schematics and diagrams visually represent the electrical systems, aiding in component identification and circuit tracing.
- Important specifications and measurements ensure accurate and efficient repairs.
- Tailored specifically for the 1985 BMW 635CSi, catering to its unique electrical system configuration.
- Empowers users to perform electrical repairs themselves, saving time and money while gaining a deeper understanding of their vehicle.
Technical Specifications and Details:
Electrical System:
- 12-volt negative ground system
- Battery capacity: 60 Ah
- Alternator output: 90 amps
Major Electrical Components:
- Engine control module (ECM)
- Ignition coil
- Starter motor
- Voltage regulator
- Headlight switch
- Turn signal switch
- Wiper switch
Maintenance and Repair Information:
Battery Replacement:
- Recommended battery: BMW-approved 12-volt battery with 60 Ah capacity
- Battery location: Under the hood, on the passenger side
Fuse and Relay Replacement:
- Fuse and relay panel locations:
- Under the hood, next to the battery
- Inside the cabin, under the dashboard
- Fuse and relay identification: Refer to the electrical troubleshooting manual for specific locations and ratings
Electrical Troubleshooting:
- Use a multimeter to measure voltage, current, and resistance
- Inspect wiring harness for damage or loose connections
- Consult the electrical troubleshooting manual for circuit testing procedures
Common Electrical Problems and Solutions:
Battery Drain:
- Symptoms: Difficulty starting the vehicle, dim headlights
- Solution: Check for parasitic drains using a multimeter, inspect battery terminals for corrosion
Electrical Shorts:
- Symptoms: Blown fuses, intermittent electrical failures
- Solution: Inspect wiring harness for damage, repair or replace damaged wires
Ground Faults:
- Symptoms: Electrical components not functioning properly
- Solution: Check ground connections for tightness and corrosion, clean or repair as needed
This comprehensive BMW 635CSi 1985 Electrical Troubleshooting Manual is an indispensable resource for owners and technicians alike. Its detailed troubleshooting procedures, electrical schematics, and technical specifications empower you to diagnose and repair electrical faults with confidence and precision.
CONTENTS
- How to use this manual
- Symbols
- Systematic Troubleshooting
- Diagnostic Connector
- Power Distribution Box
- Fuse Data
- Accessory Connector
- Power Distribution
- Fuse Details
- Light Switch details
- Charging System
- Start
- Block Diagram For Engine Controls
- Fuel Control/ Ignition
- Fuel Delivery/ Fuel Control
- Fuel Delivery/ Fuel Control/ Idle Speed Control
- Ignition Key Warning/ Seatbelt Warning
- On- Board Computer
- Speedometer/ Gauges/ Warning Indicators
- Gauges/ Warning Indicators
- Warning Indicators
- Service Interval Indicator
- Wiper/ Washer
- Active Check Control
- Brake Lining Warning
- Interior Lights
- Headlights/ Fog Lights
- Lights: Turn/Hazard Warning
- Lights: Front Park/ Tail/ Underhood
- Lights: Rear Marker License
- Lights: Trunk Light
- Stoplights/ Cruise Control
- Lights: Dash/ Transmission Range/ RH Visor
- Lights: Dash/ Transmission Range
- Back Up Lights
- Cigar Lighter/ Glove Box Light/ Auto- Charging Flashlight
- Horn
- Heated Door Lock
- Rear Defogger
- Power Windows
- Central Locking
- Power Mirrors
- Radio/ Power Antenna
- Auxiliary Fan
- Heater/ Air Conditioning
- Sunroof
- Antilock Braking System (ABS)
- Power Seats
- Windshield Washer Jet Heaters
- Ground Distribution
- Index- Splice Locations
- Splice Locations For Front Harness
- Splice Locations For Middle Harness
- Splice Locations For Engine Harness
- Splice Locations Rear Harness
- Component Locations
- Connector Views
Language: English
Format: PDF
Pages: 106