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Terminals Of ECM

  1. CHECK ECM 
    Fig 1: Identifying ECM Terminal Connector
    GTY150396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    A6-3 (TC) - E4-7 (E1) V - BR Ground Engine switch on (IG) 10 to 14 V
    A6-3 (TC) - E4-7 (E1) V - BR Ground Terminals TC and CG of DLC3 connected Below 1 V
    A6-4 (STP) - E4-7 (E1) R-B - BR Stop light signal Engine switch on (IG), Brake pedal depressed 10 to 14 V
    A6-4 (STP) - E4-7 (E1) R-B - BR Stop light signal Engine switch on (IG), Brake pedal released Below 1 V
    A6-31 (CCS) - E4-7 (E1) L-B - BR Cruise control main switch circuit Engine switch on (IG) 10 to 14 V
    A6-31 (CCS) - E4-7 (E1) L-B - BR Cruise control main switch circuit CANCEL switch ON 6.6 to 10.1 V
    A6-31 (CCS) - E4-7 (E1) L-B - BR Cruise control main switch circuit SET/COAST switch ON 4.5 to 7.1 V
    A6-31 (CCS) - E4-7 (E1) L-B - BR Cruise control main switch circuit RES/ACC switch ON 2.3 to 4.0 V
    A6-31 (CCS) - E4-7 (E1) L-B - BR Cruise control main switch circuit Engine switch on (IG), Cruise control main switch ON Below 1 V
    A5-8 (ST1-) - E4-7 (E1) G-W - BR Stop light signal Engine switch on (IG), Brake pedal depressed Below 1 V
    A5-8 (ST1-) - E4-7 (E1) G-W - BR Stop light signal Engine switch on (IG), Brake pedal released 10 to 14 V
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