Pinout Values and Diagnostic Parameters

1987 BMW L7 (E23) L6-3430cc 3.4L SOHC (M30)SECTION Pinout Values and Diagnostic Parameters


35 Position ECU Plug:




For legend and connector notes refer to "Automatic Transmission/Transaxle : Relays and Modules : Control Module,A/T : Diagrams:. Connector Views




Input/Output Circuit Diagram

Test Measurements



Grounds - Ohms



Grounds - Volts



Battery Supply



Shift Lever Range Selector



Program Switch



Kickdown Switch



Throttle Potentiometer



Shift Solenoid Activation



Lock up Solenoid Activation



Fault Lamp Function



Pressure Regulator



TD/TR Signal



Ti Signal



Timing Retard/Torque Reduction



WOT/VL Signal



Coding



Road Speed Signal Shield



Road Speed Signal



Reverse Gear Lockout Solenoid Activation



Solenoid Valves

*Digital Meter with Trend bar graph will make it easier to see the voltage change.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.