Terminals Of Ecu

Fig 1: Identifying Terminals Of ECU

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Fig 2: ECU Terminal Reference Table (1 Of 2)

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Fig 3: ECU Terminal Reference Table (2 Of 2)

(*1) Reference: Using oscilloscope:

Fig 4: Oscilloscope Setting And Vehicle Conditions Table
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Fig 5: Identifying Oscilloscope Waveform
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(*2) If the CPU wakes up by communication, approx. 2.5 V will be output even in +B condition.
(*3) The voltage values differ due to magnetization of the direction sensor, earth magnetism of the place of measurement, etc.
(*4) Except w/LEXUS Navigation System and TAIWAN models.