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Home >> Lexus >> 2017 >> ES 350 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System (Diagnostics - Introduction) >> Automatic Transaxle System >> Terminals Of Transmission Control Module Ecu [07/2015 - ] >> Terminals Of Ecu [07/2015 - ]

Terminals Of Ecu [07/2015 - ]

  1. TCM 
    Fig 1: TCM Connector End View
    GTY654564Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT: 

    Each TCM terminal standard voltage is shown in the table below.

    In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage between the terminals is shown under "Specified Condition".

    Use the illustration above as a reference for the TCM terminals.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    D6-15 (R) - D6-8 (E1) L - BR R shift position switch signal Engine switch on (IG) and shift lever in R 11 to 14 V
    Engine switch on (IG) and shift lever in any position except R Below 1 V
    D6-16 (D) - D6-8 (E1) R - BR D shift position switch signal Engine switch on (IG) and shift lever in D and S 11 to 14 V
    Engine switch on (IG) and shift lever in any position except D and S Below 1 V
    D6-12 (STP) - D6-8 (E1) GR - BR Stop light switch signal Brake pedal is depressed 7.5 to 14 V
    Brake pedal is released Below 1.5 V
    D6-11 (NSW) - D6-8 (E1) R - BR Park/neutral switch signal Engine switch on (IG) and shift lever in P or N Below 2 V
    Engine switch on (IG) and shift lever in any position except P or N 11 to 14 V
    D6-10 (STA) - D6-8 (E1) Y - BR Starter signal Cranking (shift lever in P or N, engine switch START) 11 to 14 V
    Engine switch on (IG) and shift lever in any position except P or N Below 2 V
    D6-3 (SPD) - D6-8 (E1) G - BR Speed signal from combination meter Vehicle driving Pulse generation
    D6-1 (BATT) - D6-8 (E1) W - BR Battery (for measuring battery voltage and for TCM memory) Always 9 to 14 V
    D6-13 (IGSW) - D6-8 (E1) B - BR IG signal Engine switch on (IG) 9 to 14 V
    D6-18 (+B) - D6-8 (E1) W - BR Power source of TCM Engine switch on (IG) 9 to 14 V
    D6-6 (CAN+) - D6-8 (E1) B - BR CAN communication line Engine switch on (IG) Pulse generation
    D6-7 (CAN-) - D6-8 (E1) Y - BR CAN communication line Engine switch on (IG) Pulse generation
  2. ECM 

    HINT: 

    Each ECM terminal standard voltage is shown in the table below.

    In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the terminals to be inspected. The standard voltage between the terminals is shown under "Specified Condition".

    Use the illustration below as a reference for the ECM terminals.

    Fig 2: D6 ECM Connector End View
    GTY662779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A22-37 (S) - D23-49 (E1) Y - BR S shift position switch signal Engine switch on (IG) and shift lever in S 11 to 14 V
    Engine switch on (IG) and shift lever in any position except S Below 1 V
    A22-34 (SFTU) - D23-49 (E1) R - BR Up shift switch signal Engine switch on (IG) and shift lever in S 11 to 14 V
    Engine switch on (IG) and shift lever in "+" (Up shift) Below 1 V
    A22-50 (SFTD) - D23-49 (E1) L - BR Down shift switch signal Engine switch on (IG) and shift lever in S 11 to 14 V
    Engine switch on (IG) and shift lever in "-" (Down shift) Below 1 V