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Terminals Of Ecu

  1. CHECK ECM (for 1UR-FSE) 
    Fig 1: Identifying ECU Terminals
    G05810918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    TC (A7-21) - E1 (E86-1) V - W-B Ground Engine switch on (IG) 10 to 14 V
    TC (A7-21) - E1 (E86-1) V - W-B Ground Connect terminals TC and CG of DLC3 Below 1 V
    STP (A6-13) - E1 (E86-1) R-B - W-B Stop light signal Engine switch on (IG), Depress brake pedal 10 to 14 V
    STP (A6-13) - E1 (E86-1) R-B - W-B Stop light signal Engine switch on (IG), Release brake pedal Below 1 V
    CCS (A7-15) - E1 (E86-1) L-B - W-B Cruise control main switch circuit Engine switch on (IG) 10 to 14 V
    CCS (A7-15) - E1 (E86-1) L-B - W-B Cruise control main switch circuit CANCEL switch ON 6.6 to 10.1 V
    CCS (A7-15) - E1 (E86-1) L-B - W-B Cruise control main switch circuit SET/COAST switch ON 4.5 to 7.1 V
    CCS (A7-15) - E1 (E86-1) L-B - W-B Cruise control main switch circuit RES/ACC switch ON 2.3 to 4.0 V
    CCS (A7-15) - E1 (E86-1) L-B - W-B Cruise control main switch circuit MAIN switch ON Below 1 V
    ST1- (A6-12) - E1 (E86-1) G-W - W-B Stop light signal Engine switch on (IG), Depress brake pedal Below 1 V
    ST1- (A6-12) - E1 (E86-1) G-W - W-B Stop light signal Release brake pedal 10 to 14 V

    If the value is not within the standard range, the ECM may have a malfunction.

  2. CHECK ECM (for 26R-FSE) 
    Fig 2: Identifying ECU Terminals
    G05298627Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION

    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    TC (A7-3) - E1 (E86-1) V - BR Ground Engine switch on (IG) 10 to 14 V
    TC (A7-3) - E1 (E86-1) V - BR Ground Connect terminals TC and CG of DLC3 Below 1 V
    A7-4 (STP) - E7-7 (E1) R-B - BR Stop light signal Engine switch on (IG), Depress brake pedal 10 to 14 V
    A7-4 (STP) - E7-7 (E1) R-B - BR Stop light signal Engine switch on (IG), Release brake pedal Below 1 V
    A7-31 (CCS) - E7-7 (E1) L-B - BR Cruise control main switch circuit Engine switch on (IG) 10 to 14 V
    A7-31 (CCS) - E7-7 (E1) L-B - BR Cruise control main switch circuit CANCEL switch ON 6.6 to 10.1 V
    A7-31 (CCS) - E7-7 (E1) L-B - BR Cruise control main switch circuit SET/COAST switch ON 4.5 to 7.1 V
    A7-31 (CCS) - E7-7 (E1) L-B - BR Cruise control main switch circuit RES/ACC switch ON 2.3 to 4.0 V
    A7-31 (CCS) - E7-7 (E1) L-B - BR Cruise control main switch circuit MAIN switch ON Below 1 V
    A6-8 (ST1-) - E7-7 (E1) G-W - BR Stop light signal Engine switch on (IG), Depress brake pedal Below 1 V
    A6-8 (ST1-) - E7-7 (E1) G-W - BR Stop light signal Release brake pedal 10 to 14 V

    If the value is not within the standard range, the ECM may have a malfunction.

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