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Module 26advanced

Body Control, Lighting, Access & Security Systems

Diagnose BCM-controlled lighting, locks, windows, wipers, roofs, keys, alarms and other body electrical systems.

Lessons

10

Estimated time

200 min

Completed

00/10

Volt probing a wiring connector with a multimeter
Start lesson 01

By the end of this module

Diagnose body and access faults through the module that actually controls them.

Lessons

10 total

  1. 01Body Control Module ArchitectureUnderstand the BCM as the centre of many body functions.20 min
  2. 02Exterior Lighting SystemsDiagnose feed, driver, module and lamp faults across lighting technologies.20 min
  3. 03Interior and Ambient LightingTrace lighting complaints through BCM logic and local loads.20 min
  4. 04Wipers, Washers and Rain SensorsDiagnose wiper systems from simple switched circuits to networked motors.20 min
  5. 05Central Locking and Door ModulesDiagnose a single-door or whole-system locking fault.20 min
  6. 06Electric Windows, Mirrors and Folding SystemsTest bidirectional motor systems and their controls.20 min
  7. 07Sunroofs, Convertible Roofs and TailgatesUse sequence logic and inputs to diagnose complex moving body systems.20 min
  8. 08Keyless Entry, Immobiliser and Start AuthorisationSeparate key detection, immobiliser, network and starter-command faults.20 min
  9. 09Alarm, Horn and Theft-Deterrent InputsFind false alarm causes using status data and circuit tests.20 min
  10. 10Diagnostic Case: Multiple Body Functions InoperativeUse commonality and topology to avoid diagnosing each body symptom separately.20 min
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