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Home >> Scion >> 2005 >> xA Automatic >> Repair and Diagnosis >> Engine Performance >> SFI System >> Terminals Of ECM >> Waveform 9

Waveform 9

  1. Igniter IGT signal (from ECM to igniter)
  2. Igniter IGF signal (from igniter to ECM)
    TERMINAL SPECIFICATIONS

    ECM Terminal Name
    1. Between IGT (1 to 4) and E1
    2. Between IGF and E1
    Tester Ranges 2 V/DIV, 20 msec./DIV
    Conditions Idling

    HINT:

    The wavelength becomes shorter as the engine rpm increases.

    Fig 1: Identifying Waveform 9
    G03196089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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