12 13 ... Checking secondary signal for stationary ignition distribution

WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For Special Tool identification, see SPECIAL TOOLS - Z3 .

Special Tools Required:

12 7 030

Engine Test Step 10:

Remove ignition coil. Clip Special Tool 12 7 030 on relevant ignition coil to be tested. Clip high tension clip around ignition lead.

Fig 1: Attaching High Tension Clip On Ignition Lead

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Connect earth lead of adapter to vehicle earth and ignition coil. Connect up diagnosis connector.

If trigger signal is not present (terminal 1), connect black clip of universal adapter cable to pin 1 of primary adapter cable.

Fig 2: Connecting Earth Lead Of Adapter To Vehicle Earth And Ignition Coil

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Produce a stationary signal by pressing key R on the tester.

Fig 3: Identifying Stationary Signal

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NOTE: Neighboring ignition leads could produce interference on the screen of the oscilloscope.

Refer to the fault memories of engine control units for additional troubleshooting.

Interrogate fault memory and its fault reports.