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Terminals Of Ecu

  1. CHECK HYBRID VEHICLE CONTROL ECU 
    Fig 1: Identifying ECU Connector Terminals
    G05204151Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECU TERMINAL DESCRIPTION CHART

    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    TC - E1 (H12-3 - H14-5) O - W-B Ground Ignition switch: ON 10 to 14 V
    TC-E1 (H12-3 - H14-5) O - W-B Ground Ignition switch: ON, Connect terminals TC and CG of DLC3 2 V or less
    SPDI- -E1 (H12-24 - H14-5) SB - W-B Vehicle speed signal Engine start → Car stoppage Below 1.5 V → 4.7 to 16 V
    SPDI- -E1 (H12-24 - H14-5) SB - W-B Vehicle speed signal during pedal released (Pulse generated) 3 to 7 V
    ST1- -E1 (H12-25 - H14-5) LG - W-B Stop light signal Ignition switch: ON, Depress brake pedal 1 V or less
    ST1- -E1 (H12-25 - H14-5) LG - W-B Stop light signal Ignition switch: ON, Release brake pedal 10 to 14 V
    STP-E1 (H12-31 - H14-5) B - W-B Stop light signal Ignition switch; ON, Depress brake pedal 10 to 14 V
    STP-E1 (H12-31 - H14-5) B - W-B Stop light signal Ignition switch: ON, Release brake pedal 1 V or less
    CCS-E1 (H12-26 - H14-5) LG - W-B Cruise control main switch circuit Ignition switch: ON 10 to 14 V
    CCS - E1 (H12-26 - H14-5) LG - W-B Cruise control main switch circuit Ignition switch: ON, CANCEL switch: hold ON 6.6 to 10.1 V
    CCS-E1 (H12-26 - H14-5) LG - W-B Cruise control main switch circuit Ignition switch: ON, -/SET switch: hold ON 4.5 to 7.1 V
    CCS - E1 (H12-26 - H14-5) LG - W-B Cruise control main switch circuit Ignition switch: ON, +/RES switch: hold ON 2.3 to 4 V
    CCS-E1 (H12-26 - H14-5) LG - W-B Cruise control main switch circuit Ignition switch: ON, MAIN switch: hold ON 1 V or less