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Terminals Of ECM

  1. ECM 
    Fig 1: Identifying ECM Connector Terminals
    G05239684Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    HINT:

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

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

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

    STANDARD VOLTAGE SPECIFICATIONS

    Symbols (Terminals No.) Wiring Color Terminal Description Condition Specified Condition
    L (E6-9) - E1 (E9-1) R-BR L shift position switch signal IG switch ON and shift lever L position 10 to 14 V
    IG switch ON and shift lever other than L position Below 1 V
    2 (E6-10) - E1 (E9-1) G-BR 2 shift position switch signal IG switch ON and shift lever 2 and L position 10 to 14 V
    IG switch ON and shift lever other than 2 and L position Below 1 V
    D (E6-21) - E1 (E9-1) Y-BR D shift position switch signal IG switch ON and shift lever D position 10 to 14 V
    IG switch ON and shift lever other than D position Below 1 V
    R (E6-11) - E1 (E9-1) L-BR R shift position switch signal IG switch ON and shift lever R position 10 to 14 V
    IG switch ON and shift lever other than R position Below 1 V
    SPD (E6-8) - E1 (E9-1) Y-BR Speed signal Vehicle speed 20 km/h (12 mph) Pulse generation (See  hwaveform 8)
    STP (E5-15) - E1 (E9-1) BR-BR Stop light switch signal Brake pedal is depressed 7.5 to 14 V
    Brake pedal is released Below 1.5 V
    3 (E6-19) - E1 (E9-1) P-BR 3 shift position switch signal IG switch ON and shift lever 3 position 10 to 14 V
    IG switch ON and shift lever other than 3 position Below 1 V
    ODMS (E5-12) - E1 (E9-1) GR-BR O/D main switch IG switch ON 10 to 14 V
    IG switch On and press continuously O/D main switch Below 1 V
    P (E6-23) - E1 (E9-1) V-BR Park position switch signal IG switch ON and shift lever P position 10 to 14 V
    IG switch ON and shift lever other then P position Below 1 V
    N (E6-22) - E1 (E9-1) GR-BR Neutral position switch signal IG switch ON and shift lever N position 10 to 14 V
    IG switch ON and shift lever other than N position Below 1 V
    NSW (E8-8) - E1 (E9-1) B-R - BR Park neutral switch signal IG switch ON and shift lever P and N position Below 1 V
    IG switch ON and shift lever other than P and N position 10 to 14 V
    DSL (E8-11) - E1 (E9-1) Y-G - BR DSL solenoid signal Vehicle speed 65 km/h (40 mph), lock up (ON to OFF) Pulse generation (See  bwaveform 2)
    SR (E8-9) - E1 (E9-1) L-B - BR SR solenoid signal IG switch ON Below 1 V
    3rd, 4th or 5th gear 10 to 14 V
    1st or 2nd gear Below 1 V
    S4 (E8-10) - E1 (E9-1) L-W - BR S4 solenoid signal IG switch ON Below 1 V
    5th gear 10 to 14 V
    Except 5th gear Below 1 V
    SL3+ (E8-17) - SL3 - (E8-16) G-B - G-R SL3 solenoid signal Engine idle speed Pulse generation (See  cwaveform 3)
    SL2+ (E8-15) - SL2 - (E8-14) L-Y - L-R SL2 solenoid signal Engine idle speed Pulse generation (See  dwaveform 4)
    SL1+ (E8-19) - SL1-(E8-18) R-B - B-W SL1 solenoid signal Engine idle speed Pulse generation (See  ewaveform 5)
    NC+ (E8-34) - NC- (E8-26) R - W-G Speed sensor (NC) signal Vehicle speed 30 km/h (19 mph): (3rd gear)
    Engine speed 1,400 rpm    		 Pulse generation (See  fwaveform 6)
    NT+ (E8-35) - NT- (E8-27) W - R-W Speed sensor (NT) signal Vehicle speed 20 km/h (12 mph) Pulse generation (See  gwaveform 7)
    SLT+ (E8-13) - SLT- (E8-12) Y-R - Y-B SLT solenoid signal Engine idle speed Pulse generation (See  hwaveform 1)
    THO1 (E8-24) - E2 (E7-28) G-Y - BR ATF temperature sensor signal ATF temperature: 115°C (239°F) or more Below 1.5 V
    1. Waveform 1

      Reference: 

      ATF TEMPERATURE SENSOR SIGNAL

      Terminal SLT+ - SLT-
      Tool setting 5 V/DIV., 1 ms./DIV.
      Vehicle condition Engine idle speed
      Fig 2: Identifying Waveform 1
      G05239685Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Waveform 2

      Reference: 

      WAVEFORM REFERENCE

      Terminal DSL - E1
      Tool setting 10 V/DIV., 100 ms./DIV.
      Vehicle condition Vehicle speed 65 km/h (40 mph), lock up (ON to OFF)
      Fig 3: Identifying Waveform 2
      G05239686Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Waveform 3

      Reference: 

      WAVEFORM REFERENCE

      Terminal SL3+ - SL3-
      Tool setting 5 V/DIV, 1 ms./DIV.
      Vehicle condition Engine idle speed
      Fig 4: Identifying Waveform 3
      G05239687Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Waveform 4

      Reference: 

      WAVEFORM REFERENCE

      Terminal SL2+ - SL2-
      Tool setting 5 V/DIV., 1 ms./DIV.
      Vehicle condition Engine idle speed
      Fig 5: Identifying Waveform 4
      G05239688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Waveform 5

      Reference: 

      WAVEFORM REFERENCE

      Terminal SL1+-SL1-
      Tool setting 5 V/DIV., 1 ms./DIV.
      Vehicle condition Engine idle speed
      Fig 6: Identifying Waveform 5
      G05239689Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Waveform 6

      Reference: 

      WAVEFORM REFERENCE

      Terminal NC+-NC-
      Tool setting 1 V/DIV., 1 ms./DIV.
      Vehicle condition Vehicle speed 30 km/h (19 mph): (3rd gear)
      Engine speed 1.400 rpm
      Fig 7: Identifying Waveform 6
      G05239690Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Waveform 7

      Reference: 

      WAVEFORM REFERENCE

      Terminal NT+ - NT-
      Tool setting 5 V/DIV., 0.5 ms./DIV.
      Vehicle condition Vehicle speed 20 km/h (12 mph)
      Fig 8: Identifying Waveform 7
      G05239691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Waveform 8

      Reference: 

      WAVEFORM REFERENCE

      Terminal SPD - E1
      Tool setting 5 V/DIV., 20 ms./DIV.
      Vehicle condition Vehicle speed 20 km/h (12 mph)
      Fig 9: Identifying Waveform 8
      G05239692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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