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Terminals Of ECM

  1. CHECK ECM 
    Fig 1: Identifying ECM Terminals
    G05236811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    TERMINAL DESCRIPTION AND SPECIFIED CONDITION CHART

    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    TC (E6-20) - E1 (E3-5) P-B - BR DTC output signal Ignition switch on → Connect terminals TC and CG of DLC3 10 to 14 V → Below 1 V
    ((1)) D (E5-10) - E1 (E3-5) L - BR Clutch switch input signal Ignition switch on, depress clutch pedal → release clutch pedal Below 1 V → 10 to 14 V
    ST1 - (E5-12) - E1 (E3-5) G-0 - BR Cruise cancel input signal Ignition switch on, depress brake pedal → release brake pedal Below 1 V → 10 to 14 V
    STP (E5-19) - E1 (E3-5) G-W - BR Stop light switch input signal Ignition switch on, depress brake pedal → release brake pedal 10 to 14 V → Below 1 V
    CCS (E5-24) - E1 (E3-5) G-Y - BR Cruise control main switch input circuit Ignition switch on
    CANCEL switch held ON
    SET/COAST switch held ON
    RES/ACC switch held ON
    MAIN switch held ON
    10 to 14 V
    6.6 to 10.1 V
    4.5 to 7.1 V
    2.3 to 4.0 V
    Below 1 V
    SPD (E5-17) - E1 (E3-5) V-W - BR Speed signal Ignition switch on, rotate driving wheel slowly Pulse generation (See TERMINALS OF ECM )
    ((2)) D (E5-10) - E1 (E3-5) L - BR D shift position switch input signal Ignition switch on, shift lever D position → any position except D 10 to 14 V → Below 1 V
    PI (E5-13) - E1 (E3-5) G-R - BR Cruise indication signal Ignition switch on, MAIN switch OFF → MAIN switch on 10 to 14 V → Below 1 V
    (1) Manual Transaxle
    (2) Automatic Transaxle