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Terminals Of ECM

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ECM (for 2UR-GSE) 
    Fig 1: Identifying Terminals Of ECM Connector
    G05750565Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECM CONNECTOR TERMINALS REFERENCE

    Terminal No (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A6-21 (TC) - E6-1 (E1) V - W-B Ground Engine switch on (IG) 11 to 14 V
    A6-21 (TC) - E6-1 (E1) V - W-B Ground Connect terminals TC and CG of DLC3 Below 1 V
    A5-13 (STP) - E6-1 (E1) R-B - W-B Stop light signal Engine switch on (IG), Depress brake pedal 11 to 14 V
    A5-13 (STP) - E6-1 (E1) R-B - W-B Stop light signal Engine switch on (IG), Release brake pedal Below 1 V
    A6-15 (CCS) - E6-1 (E1) L-B - W-B Cruise control main switch circuit Engine switch on (IG) 11 to 14 V
    A6-15 (CCS) - E6-1 (E1) L-B - W-B Cruise control main switch circuit CANCEL switch ON 6 6 to 10 1 V
    A6-15 (CCS) - E6-1 (E1) L-B - W-B Cruise control main switch circuit SET/COAST switch ON 4 5 to 7 1 V
    A6-15 (CCS) - E6-1 (E1) L-B - W-B Cruise control main switch circuit RES/ACC switch ON 2 3 to 4 0 V
    A6-15 (CCS) - E6-1 (E1) L-B - W-B Cruise control main switch circuit MAIN switch ON Below 1 V
    A5-12 (ST1-) - E6-1 (E1) G-W - W-B Stop light signal Engine switch on (IG), Depress brake pedal Below 1 V
    A5-12 (ST1-) - E6-1 (E1) G-W - W-B Stop light signal Release brake pedal Engine switch on (IG) 11 to 14 V
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