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Terminals Of ECM

  1. CHECK ECM 
    Fig 1: Identifying B29 And A37 ECM Connector Terminals
    GTY238411Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CHECK ECM (2ZR-FE) 
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A37-41 (TC) - B29-105 (E1) P - BR Body ground Ignition switch ON 11 to 14 V
    A37-41 (TC) - B29-105 (E1) P - BR Body ground Terminals TC and CG of DLC3 connected Below 1 V
    A37-36 (STP) - B29-105 (E1) L - BR Stop light signal Ignition switch ON, Brake pedal depressed 11 to 14 V
    A37-36 (STP) - B29-105 (E1) L - BR Stop light signal Ignition switch ON, Brake pedal released Below 1 V
    A37-40 (CCS) - B29-105 (E1) L-B - BR Cruise control main switch circuit Ignition switch ON 11 to 14 V
    A37-40 (CCS) - B29-105 (E1) L-B - BR Cruise control main switch circuit CANCEL switch ON 6.6 to 10.1 V
    A37-40 (CCS) - B29-105 (E1) L-B - BR Cruise control main switch circuit - (COAST)/SET switch ON 4.5 to 7.1 V
    A37-40 (CCS) - B29-105 (E1) L-B - BR Cruise control main switch circuit + (ACCEL)/RES (RESUME) switch ON 2.3 to 4.0 V
    A37-40 (CCS) - B29-105 (E1) L-B - BR Cruise control main switch circuit MAIN switch ON Below 1 V
    A37-35 (ST1-) - B29-105 (E1) R - BR Stop light signal Ignition switch ON, Brake pedal depressed Below 1 V
    A37-35 (ST1-) - B29-105 (E1) R - BR Stop light signal Ignition switch ON, Brake pedal released 11 to 14 V
    A37-47 (D)*1 - B29-105 (E1) LG - BR Clutch signal Ignition switch ON, Clutch pedal depressed Below 1 V
    A37-47 (D)*1 - B29-105 (E1) LG - BR Clutch signal Ignition switch ON, Clutch pedal released 11 to 14 V
    A37-47 (D)*2 - B29-105 (E1) P - BR D shift position switch signal Ignition switch ON, Shift lever in except D Below 1 V
    A37-47 (D)*2 - B29-105 (E1) P - BR D shift position switch signal Ignition switch ON, Shift lever in D 11 to 14 V
  3. CHECK ECM (2AZ-FE) 
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A37-27 (TC) - B29-104 (E1) P - BR Body ground Ignition switch ON 11 to 14 V
    A37-27 (TC) - B29-104 (E1) P - BR Body ground Terminals TC and CG of DLC3 connected Below 1 V
    A37-36 (STP) - B29-104 (E1) L - BR Stop light signal Ignition switch ON, Brake pedal depressed 11 to 14 V
    A37-36 (STP) - B29-104 (E1) L - BR Stop light signal Ignition switch ON, Brake pedal released Below 1 V
    A37-40 (CCS) - B29-104 (E1) L-B - BR Cruise control main switch circuit Ignition switch ON 11 to 14 V
    A37-40 (CCS) - B29-104 (E1) L-B - BR Cruise control main switch circuit CANCEL switch ON 6.6 to 10.1 V
    A37-40 (CCS) - B29-104 (E1) L-B - BR Cruise control main switch circuit - (COAST)/SET switch ON 4.5 to 7.1 V
    A37-40 (CCS) - B29-104 (E1) L-B - BR Cruise control main switch circuit + (ACCEL)/RES (RESUME) switch ON 2.3 to 4.0 V
    A37-40 (CCS) - B29-104 (E1) L-B - BR Cruise control main switch circuit MAIN switch ON Below 1 V
    A37-35 (ST1-) - B29-104 (E1) R - BR Stop light signal Ignition switch ON, Brake pedal depressed Below 1 V
    A37-35 (ST1-) - B29-104 (E1) R - BR Stop light signal Ignition switch ON, Brake pedal released 11 to 14 V
    B29-56 (D)*1 - B29-104 (E1) LG - BR Clutch signal Ignition switch ON, Clutch pedal depressed Below 1 V
    B29-56 (D)*1 - B29-104 (E1) LG - BR Clutch signal Ignition switch ON, Clutch pedal released 11 to 14 V
    B29-56 (D)*3 - B29-104 (E1) P-G - BR D shift position switch signal Ignition switch ON, Shift lever in except D Below 1 V
    B29-56 (D)*3 - B29-104 (E1) P-G - BR D shift position switch signal Ignition switch ON, Shift lever in D 11 to 14 V
    B29-56 (D)*4 - B29-104 (E1) P - BR D shift position switch signal Ignition switch ON, Shift lever in except D Below 1 V
    B29-56 (D)*4 - B29-104 (E1) P - BR D shift position switch signal Ignition switch ON, Shift lever in D 11 to 14 V
    • *1: for M/T
    • *2: for A/T
    • *3: for A/T, 2WD
    • *4: for A/T, 4WD
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