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Terminals Of Ecu

  1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY 
    Fig 1: Identifying Air Conditioning Amplifier Assembly ECU Connector Terminals
    G04093240Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage and resistance of each terminal of the connectors.
    TERMINALS DESCRIPTION - SPECIFIED CONDITION

    .Symbols (Terminal No) Wire Color Terminal Description Condition Specified Condition
    A8-8 (FDEF) - A8-6 (GND) B - W-B Front Deicer Signal Engine switch on (IG) Front deicer switch ON Below 1 V
    A8-8 (FDEF) - A8-6 (GND) B - W-B Front Deicer Signal Engine switch on (IG) Front deicer switch OFF 10 to 14 V
    A8-19 (DFG) - A8-6 (GND) G - W-B Rear Defogger Signal Engine switch on (IG) Rear defogger switch OFF 10 to 14 V
    A8-19 (DFG) - A8-6 (GND) G - W-B Rear Defogger Signal Engine switch on (IG) Rear defogger switch ON Below 1 V
    E1 (E7-7) - Body ground BR - Body ground Ground Always Below 1 Ω
    E02 (E6-1) - Body ground W - B - Body ground Ground Always Below 1 Ω
    E01 (E6-2) - Body ground W - B - Body ground Ground Always Below 1 Ω
    EC (A6-2) - Body ground W-B - Body ground Ground Always Below 1 Ω
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