Trailer Lighting Module
Description and Operation
Testing and Inspection- Initial Inspection and Diagnostic Overview
- Description of BMW DIAGNOSTIC SYSTEM
- Description of BMW DIAGNOSTIC SYSTEM
- Systematic Troubleshooting
- Symbols Used In the Text
- Important Information
- Wire Testing
- General Procedure
- Voltage Test
- Voltage Drop Test
- Current Test
- Closed-Circuit Current Test
- Continuity Test With Ohmmeter
- Short Test Using Voltmeter
- Short Test Using Ohmmeter
- Wire Testing Using Oscilloscope
- Potentiometer Testing Using Oscilloscope
- Simulating Vehicle Speed Signal
- Signal Test Using Multimeter Function
- Signal Test Using Oscilloscope
- Description of On-Board Diagnostic System
- Description of BMW DIAGNOSTIC SYSTEM
- Reading and Clearing Diagnostic Trouble Codes
- Initial Inspection and Diagnostic Overview
Diagrams