Normal waveform
HARNESS INSPECTION
A Harness side
connector
MULTIPORT
On-Vehicle Inspection of MFI
FUEL INJECTION - Components
INSPECTION
Using Oscilloscope
(1) Run the engine at an idle speed.
(2) Connect the probe to the oscilloscope pick-up point as
shown in the circuit diagram, and check the waveform.
Connector: Disconnected
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Connector: Disconnected
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Connector: Disconnected
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ignition switch: ON
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TSB Revision