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Terminals Of ECM: Notes

  1. CHECK ECM 
    Fig 1: Identifying ECM Connectors Terminals
    G05127982Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    PROBLEM SYMPTOMS REFERENCE

    Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition
    TC (E5-17) - E1 (E8-3) R - L DTC output signal Ignition switch ON → Connect terminals TC and CG of DLC3 10 to 14 V → Below 2 V
    D (E5-21) - E1 (E8-3) *1 R - L Clutch switch input signal Ignition switch ON, depress clutch pedal → release clutch pedal Below 1 V → 10 to 14 V
    D (E5-21) - E1 (E8-3) *2 W - L Shift position input signal Ignition switch ON, shift D position → any shift position except D 10 to 14 V → Below 1 V
    ST1- (E4-16) - E1 (E8-3) L - L Cruise cancel input signal Ignition switch ON, depress brake pedal → release brake pedal Below 1 V → 10 to 14 V
    PI (E5-18) - E1 (E8-3) B - L Cruise main indicator light input signal Ignition switch ON, cruise control main switch ON Below 1 V → 10 to 14 V
    STP (E5-4) - E1 (E8-3) L - L Stop light switch input signal Ignition switch ON, depress brake pedal → release brake pedal 10 to 14 V → Below 1 V
    CCS (E5-31) - E1 (E8-3) Y - L Cruise control main switch input signal Ignition switch ON 10 to 14 V
    CCS (E5-31) - E1 (E8-3) Y - L Cruise control main switch input signal CANCEL switch held ON 6.6 to 10.1 V
    CCS (E5-31) - E1 (E8-3) Y - L Cruise control main switch input signal SET / - switch held ON 4.5 to 7.1 V
    CCS (E5-31) - E1 (E8-3) Y - L Cruise control main switch input signal RES / + switch held ON 2.3 to 4 V
    CCS (E5-31) - E1 (E8-3) Y - L Cruise control main switch input signal MAIN switch held ON Below 1 V
    HINT:
    *1: Manual Transaxle
    *2: Automatic Transaxle