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Ecu Connector Terminal Identification

WARNING: This page is about a different car, the 2008 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ECM 
    Fig 1: Identifying ECU Connector Terminals
    G05404421Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    VOLTAGE SPECIFICATION

    Terminals No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A55-27 (TC) - B50-81 (E1) P - W-B Ground Ignition switch on (IG) → Connect terminals TC and CG of DLC3 10 to 14 V → Below 1 V
    A55-36 (STP) - B50-81 (E1) W - W-B Stop light signal Ignition switch on (IG) Depress brake pedal → Release brake pedal 10 to 14 V → Below 1 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit Ignition switch on (IG) 10 to 14 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit CANCEL switch hold ON 6.6 to 10.1 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit SET/- switch hold ON 4.5 to 7.1 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit RES/+ switch hold ON 2.3 to 4.0 V
    A55-40 (CCS) - B50-81 (E1) W - W-B Cruise control main switch circuit MAIN switch hold ON Below 1 V