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HOMESERVICE MANUALSBMW1993740IL (E32/2) V8-3982CC 4.0L DOHC (M60)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSPULSE GENERATOR - CYLINDER REFERENCE POINT
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)

Pulse Generator - Cylinder Reference Point

1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Pulse Generator - Cylinder Reference Point



Check function:
[M] 22 - Connect oscilloscope connections at component connector and run engine at idle speed. An alternating voltage characteristic curve with positive and negative half waves should appear on the display screen.
Switchover to semisequential injection takes place as soon as the reference signal is detected during normal operation. Only parallel injection is possible during diagnostic mode.

Resistance test:
The resistance can be measured directly at the component connector (at the connector strip for injector valves). For wiring diagram, refer to schematics.
RENDER: 1.0x

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When to See a Mechanic

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

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