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HOMESERVICE MANUALSTOYOTA2009COROLLA BASE, 1.8 L, STANDARDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSCRUISE CONTROL SYSTEMTERMINALS OF ECM
2009 Toyota Corolla Base, 1.8 L, Standard

Terminals Of ECM

2009 Toyota Corolla Base, 1.8 L, StandardSECTION Terminals Of ECM
  1. CHECK ECM 
    Fig 1: Identifying Terminals Of ECM Connector
    G06009666Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    ECM CONNECTOR TERMINALS REFERENCE

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A50-27 (TC) - B31-104 (E1) P-BR Body ground Ignition switch ON 11 to 14 V
    A50-27 (TC) - B31-104 (E1) P-BR Body ground Terminals TC and CG of DLC3 connected Below 1 V
    A50-36 (STP) - B31-104 (E1) L-BR Stop light signal Ignition switch ON, Brake pedal depressed 11 to 14 V
    A50-36 (STP) - B31-104 (E1) L-BR Stop light signal ignition switch ON, Brake pedal released Below 1 V
    A50-40 (CCS) - B31-104 (E1) L-B - BR Cruise control main switch circuit Ignition switch ON 11 to 14 V
    A50-40 (CCS) - B31-104 (E1) L-B - BR Cruise control main switch circuit CANCEL switch ON 6.6 to 10.1V
    A50-40 (CCS) - B31-104 (E1) L-B - BR Cruise control main switch circuit SET/COAST switch ON 4.5 to 7.1 V
    A50-40 (CCS) - B31-104 (E1) L-B - BR Cruise control main switch circuit RES/ACC switch ON 2.3 to 4.0 V
    A50-40 (CCS) - B31-104 (E1) L-B - BR Cruise control main switch circuit MAIN switch ON Below 1 V
    A50-35 (ST1-) - B31-104 (E1) R-BR Stop light signal Ignition switch ON, Brake pedal depressed Below 1 V
    A50-35 (ST1-) - B31-104 (E1) R-BR Stop light signal Ignition switch ON, Brake pedal released 11 to 14 V
    B31-56 (D)(1) - B31-104 (E1) LG-BR Clutch signal Ignition switch ON, Clutch pedal depressed Below 1 V
    B31-56 (D)(1) - B31-104 (E1) LG-BR Clutch signal Ignition switch ON, Clutch pedal released 11 to 14 V
    B31-56 (D)(2) - B31-104 (E1) P(3) - BR P-G(4) - BR D shift position switch signal Ignition switch ON, Shift lever in except D Below 1 V
    B31-56 (D)(2) - B31-104 (E1) P(3) - BR P-G(4) - 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 2ZR-FE
    (4) for 2AZ-FE
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.