Entry And Start System Terminals Of Ecu

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
3Zr-Fae Starting. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

  1. CHECK CERTIFICATION ECU

  1. CHECK ECM

  1. CHECK STEERING LOCK ECU

Entry And Start System -- Terminals Of Ecu



CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu


Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

  1. Disconnect the ID, IE, E18 and E19 junction block connectors.

  2. Measure the voltages and resistances of the wire harness side connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    AM1 (E19-1) - Body ground
    		W - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    AM2 (E18-6) - Body ground
    		W - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    SSW1 (E19-10) - Body ground
    		W - Body ground
    		Engine switch signal
    		Engine switch pushed
    		Below 1 Ω
    SSW1 (E19-10) - Body ground
    		W - Body ground
    		Engine switch signal
    		Engine switch not pushed
    		10 kΩ or higher
    SSW2 (E19-9) - Body ground
    		B - Body ground
    		Engine switch signal
    		Engine switch pushed
    		Below 1 Ω
    SSW2 (E19-9) - Body ground
    		B - Body ground
    		Engine switch signal
    		Engine switch not pushed
    		10 kΩ or higher
    GND1 (IE-17) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    GND2 (E19-4) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    LIN1 (ID-9) - Body ground
    		V - Body ground
    		LIN line
    		Always
    		10 kΩ or higher
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the ID, IE, E18 and E19 junction block connectors.

  4. Measure the voltages of the connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    ACCD (E18-4) - GND2 (E19-4)
    		R - W-B
    		ACC signal
    		Engine switch on (ACC)
    		11 to 14 V
    ACCD (E18-4) - GND2 (E19-4)
    		R - W-B
    		ACC signal
    		Engine switch off
    		Below 1 V
    IG2D (E19-5) - GND2 (E19-4)
    		W - W-B
    		IG2 signal
    		Engine switch on (IG)
    		11 to 14 V
    IG2D (E19-5) - GND2 (E19-4)
    		W - W-B
    		IG2 signal
    		Engine switch on (ACC)
    		Below 1 V
    SLR+ (E18-7) - GND2 (E19-4)
    		Y - W-B
    		Steering lock motor signal
    		Steering lock motor operating
    		Below 1 V
    SLR+ (E18-7) - GND2 (E19-4)
    		Y - W-B
    		Steering lock motor signal
    		Steering lock motor does not operate
    		11 to 14 V
    SLP (E18-18) - GND2 (E19-4)
    		G - W-B
    		Steering lock actuator position signal
    		Steering lock locked
    		11 to 14 V
    SLP (E18-18) - GND2 (E19-4)
    		G - W-B
    		Steering lock actuator position signal
    		Steering lock released
    		Below 1 V
    SPD (IC-8) - GND2 (E19-4)
    		V - W-B
    		Speed signal from combination meter
    		Engine switch on (IG), Rotate driving wheel slowly
    		Pulse generation
    (see waveform 1)
    TACH (E20-2) - GND2 (E19-4)
    		GR - W-B
    		Tachometer signal
    		Engine running
    		Pulse generation
    (see waveform 2)
    STSW (E20-4) - GND2 (E19-4)
    		R - W-B
    		Starter activation request signal
    		When all condition are met:
    1. Clutch pedal (for M/T) or brake pedal (except M/T) depressed
    2. Shift lever in P or N (except M/T)
    3. Engine switch pushed once
    		11 to 14 V*
    STR (E20-3) - GND2 (E19-4)
    		W - W-B
    		Clutch start switch (for M/T)
    Park / neutral position switch (except M/T)
    		When all condition are met:
    1. Clutch pedal (for M/T) or brake pedal (except M/T) depressed
    2. Shift lever in P or N (except M/T)
    		Below 1 V
    STR2 (E20-14) - GND2 (E19-4)
    		W - W-B
    		Starter signal
    		When all condition are met:
    1. Clutch pedal (for M/T) or brake pedal (except M/T) depressed
    2. Shift lever in P or N (except M/T)
    3. Engine switch pushed once
    		11 to 14 V*
    INDS (E20-1) - GND2 (E19-4)
    		R - W-B
    		Vehicle condition signal
    		When all condition are met:
    1. Clutch pedal (for M/T) or brake pedal (except M/T) depressed
    2. Shift lever in P or N (except M/T)
    3. Engine switch off. on(ACC) or on(IG)
    		11 to 14 V
    INDW (E20-8) - GND2 (E19-4)
    		Y - W-B
    		Vehicle condition signal
    		When all condition are met:
    1. Clutch pedal (for M/T) or brake pedal (except M/T) depressed
    2. Shift lever in P or N (except M/T)
    3. Engine switch off. on(ACC) or on(IG)
    		11 to 14 V
    SWIL (E19-8) - GND2 (E19-4)
    		G - W-B
    		Illumination signal
    		Light control switch TAIL or HEAD
    		11 to 14 V
    STP (E18-14) - GND2 (E19-4)
    		L - W-B
    		Stop light switch signal
    		Brake pedal depressed (except M/T)
    		11 to 14 V
    HINT:
    *: Voltage is output for 0.3 seconds before the engine is started.
    If the result is not as specified, the ECU may have a malfunction.


    5. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

  5. Using an oscilloscope, check waveform 1.

    Waveform 1 (Reference)
    Item
    		Content
    Symbols (Terminal No.)
    		SPD (IC-8) - GND2 (E19-4)
    Tool Setting
    		5 V/DIV., 10 msec./DIV.
    Condition
    		Driving at approx. 20 km/h (12 mph)
    HINT:
    As the vehicle speed increases, the wavelength shortens.


    6. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

  6. Using an oscilloscope, check waveform 2.

    Waveform 2 (Reference)
    Item
    		Content
    Symbols (Terminal No.)
    		TACH (E20-2) - GND2 (E19-4)
    Tool Setting
    		5 V/DIV., 10 msec./DIV.
    Condition
    		Engine idling
    HINT:
    As the vehicle speed increases, the wavelength shortens.

CHECK CERTIFICATION ECU

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

  1. Disconnect the E63 ECU connector.

  2. Measure the voltage and resistance of the wire harness side connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    +B (E63-1) - Body ground
    		R - Body ground
    		+B power supply
    		Always
    		11 to 14 V
    IG (E63-18) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch on (IG)
    		11 to 14 V
    IG (E63-18) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch off
    		Below 1 V
    LIN (E63-10) - Body ground
    		V - Body ground
    		LIN line
    		Always
    		10 kΩ or higher
    E (E63-17) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

CHECK ECM

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

  1. Disconnect the A12 and B32 ECM connectors.

  2. Measure the voltages and resistances of the wire harness side connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    BATT (A12-20) - E1 (B32-105)
    		W - BR
    		Battery (for measuring battery voltage and for ECM memory)
    		Always
    		11 to 14 V
    +B (A12-2) - E1 (B32-105)
    		B - BR
    		Power source of ECM
    		Engine switch on (IG)
    		11 to 14 V
    +B2 (A12-1) - E1 (B32-105)
    		B - BR
    		Power source of ECM
    		Engine switch on (IG)
    		11 to 14 V
    IGSW (A12-27) - E1 (B32-105)
    		B - BR
    		Engine switch signal
    		Engine switch on (IG)
    		11 to 14 V
    E1 (B32-105) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E02 (B32-45) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E04 (B32-41) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E01 (B32-46) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the A12 and B32 ECM connectors.

  4. Measure the voltage of the connectors.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    STA (A12-48) - E1 (B32-105)
    		LG - BR
    		Starter relay operation signal
    		Cranking
    		5.5 V or more
    ACCR (A12-42) - E1 (B32-105)
    		LG - BR
    		ACC relay cut signal (output)
    		Engine switch on (IG) → Cranking
    		11 to 14 V → Below 1 V
    TACH (A12-15) - E1 (B32-105)
    		GR - BR
    		Engine revolution signal (output)
    		Idling
    		Pulse generation
    (see waveform 1)
    STAR (B32-51) - E1 (B32-105)
    		W - BR
    		Starter relay drive signal
    		Cranking
    		11 to 14 V
    If the result is not as specified, the ECM may have a malfunction.


  5. Inspect the connector using an oscilloscope.



      Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

    1. Waveform 1

      Item
      		Content
      Symbols (Terminal No.)
      		TACH (A12-15) - E1 (B32-105)
      Tool Setting
      		5 V/DIV., 10 msec./DIV.
      Condition
      		Engine idling
      HINT:
      As the vehicle speed increases, the wavelength shortens.

CHECK STEERING LOCK ECU

Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Starting.Starting System (W/ Entry And Start System).Entry And Start System Terminals Of Ecu

  1. Disconnect the E6 ECU connector.

  2. Measure the voltage and resistance of the wire harness side connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    B (E6-7) - Body ground
    		L - Body ground
    		+B power supply
    		Always
    		Always
    IG2 (E6-6) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch on (IG)
    		Always
    IG2 (E6-6) - Body ground
    		B - Body ground
    		Ignition power supply
    		Engine switch off
    		Below 1 V
    GND (E6-1) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    SGND (E6-2) - Body ground
    		BR - Body ground
    		Ground
    		Always
    		Below 1 Ω
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the E6 ECU connector.

  4. Measure the voltage of the connector.

    Symbols (Terminal No.)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    SLP1 (E6-4) - GND (E6-1)
    		G - W-B
    		Steering lock actuator position signal
    		Steering lock locked
    		11 to 14 V
    SLP1 (E6-4) - GND (E6-1)
    		G - W-B
    		Steering lock actuator position signal
    		Steering lock released
    		Below 1 V
    1. If the result is not as specified, the ECU may have a malfunction.