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Terminals Of Ecu

  1. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) 
    Fig 1: Identifying Main Body ECU (Cowl Side Junction Block LH)
    G05636294Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 2D, E1, E2 and E3 ECU connectors.
    2. Measure the resistance and voltage according to the value(s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    2D-62 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
    E3-1 (GND3) - Body ground BR - Body ground Ground Always Below 1 Ω
    E2-1 (AM2) - 2D-62 (GND2) W - W-B Battery power supply Always 11 to 14 V
    E1-6 (AM1) - 2D-62 (GND2) W - W-B Battery power supply Always 11 to 14 V

    If the result is not as specified, there may be a malfunction on the wire harness side.

  2. CHECK MASTER SWITCH 
    Fig 2: Identifying Master Switch Connector Terminals
    G05639338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the I11 switch connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I11-11 (B) - I11-12 (GND) L - W-B Battery power supply Always 11 to 14 V
    I11-12 (GND) - 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. CHECK FRONT POWER WINDOW REGULATOR MOTOR LH 
    Fig 3: Identifying Front Power Window Regulator Motor LH Connector Terminals
    G05639339Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the I12 motor connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I12-2 (B) - I12-1 (GND) L - W-B Battery power supply Always 11 to 14 V
    I12-1 (GND) - 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.

  4. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    Fig 4: Identifying Front Power Window Regulator Motor Assembly RH Connector Terminals
    G05764881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the 14 motor connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) I Wiring Color Terminal Description Condition Specified Condition
    I4-2 (B) - I4-1 (GND) L - W-B Battery power supply Always 11 to 14 V
    I4-1 (GND) - 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.

  5. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 
    Fig 5: Identifying Rear Power Window Regulator Motor Assembly LH Connector Terminals
    G05636289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J11 motor connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    J11-2 (B) - J11-1 (GND) L - W-B Battery power supply Always 11 to 14 V
    J11-1 (GND) - 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.

  6. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 
    Fig 6: Identifying Rear Power Window Regulator Motor Assembly RH Connector Terminals
    G05639342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the J4 motor connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    J4-2 (B) - J4-1 (GND) L - W-B Battery power supply Always 11 to 14 V
    J4-1 (GND) - 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.

  7. CHECK SLIDING ROOF ECU 
    Fig 7: Identifying Sliding Roof ECU Connector Terminals
    G05639343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R5 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    R5-1 (B) - R5-2 (E) L - W-B Battery power supply Always 11 to 14 V
    R5-2 (E) - 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.

  8. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 
    Fig 8: Identifying Certification ECU (Smart Key ECU Assembly) Connector Terminals
    G05764885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the E29 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E29-1 (+B) - E29-17 (E) B - W-B Battery power supply Always 11 to 14 V
    E29-17 (E) - 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.

  9. CHECK ID CODE BOX (IMMOBILIZER CODE ECU) 
    Fig 9: Identifying ID Code Box (Immobilizer Code ECU) Connector Terminals
    G05639345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the E28 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E28-1 (+B) - E28-8 (GND) B - W-B Battery power supply Always 11 to 14 V
    E28-8 (GND) - 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.

  10. CHECK STEERING LOCK ECU 
    Fig 10: Identifying Steering Lock ECU Connector Terminals
    G05764887Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the E26 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E26-7 (B) - E26-1 (GND) R - W-B Battery power supply Always 11 to 14 V
    E26-1 (GND) - 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.

  11. CHECK AIR CONDITIONING AMPLIFIER (A/C ECU) 
    Fig 11: Identifying Air Conditioning Amplifier (A/C ECU) Connector Terminals
    G05764888Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the E36 amplifier connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E36-5 (IG+) - E36-1 (GND) G - W-B IG power supply Engine switch off Below 1 V
    E36-5 (IG+) - E36-1 (GND) G - W-B IG power supply Engine switch on (IG) 11 to 14 V
    E36-6 (+B1) - E36-1 (GND) R - W-B Battery power supply Always 11 to 14 V
    E36-7 (+B2) - E36-1 (GND) R - W-B Battery power supply Always 11 to 14 V
    E36-1 (GND) - 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.

  12. CHECK REAR AIR CONDITIONING CONTROL PANEL 
    Fig 12: Identifying Rear Air Conditioning Control Panel Connector Terminals
    G05639349Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the E55 switch connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E55-6 (IG) - E55-1 (E) G - W-B IG power supply Always 11 to 14 V
    E55-1 (E) - 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.

  13. CHECK RAIN SENSOR 
    Fig 13: Identifying Rain Sensor Connector Terminals
    G05764890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R11 rain sensor connector.
    2. Measure the voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    R11-4 (SIG) - Body ground G - Body ground IG signal circuit (to IG relay) Engine switch off Below 1 V
    Engine switch on (IG) 11 to 14 V
    R11-1 (ES) - Body ground W - Body ground Ground circuit Always Below 1 V

    If the result is not as specified, there may be a malfunction on the wire harness side.

  14. CHECK WINDSHIELD WIPER ECU 
    Fig 14: Identifying Windshield Wiper ECU Connector Terminals
    G05764891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the E89 and E90 ECU connectors.
    2. Measure the voltage and resistance according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E89-5 (IG1I) - E90-10 (E) G - W-B Power source Engine switch off Below 1 V
    E89-5 (IG1I) - E90-10 (E) G - W-B Power source Engine switch on (IG) 11 to 14 V
    E90-10 (E) - Body ground W-B - Body ground Power ground Always Below 1 Ω

    If the result is not as specified, there may be a malfunction on the wire harness side.

  15. CHECK OVERHEAD JUNCTION BLOCK 
    Fig 15: Identifying Overhead Junction Block Connector Terminals
    G05764892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the R7 junction block connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    R7-16 (GND9) - Body ground W-B - Body ground Body ground Always Below 1 V
    R7-6 (+B2) - Body ground R - Body ground Battery power supply Always 11 to 14 V

    If the result is not as specified, there may be a malfunction on the wire harness side.

  16. CHECK NO. 2 MAIN BODY ECU 
    Fig 16: Identifying No. 2 Main Body ECU Connector Terminals
    G05764893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L33 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    L33-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    L33-14 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V

    If the result is not as specified, there may be a malfunction on the wire harness side.

  17. CHECK SEAT CLIMATE CONTROL ECU LH (w/ Climate Control Seat System) 
    Fig 17: Identifying Seat Climate Control ECU LH (W/ Climate Control Seat System) Connector Terminals
    G05764894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the c38 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    C38-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    c38-2 (B) - Body ground G - Body ground Battery power supply Always 11 to 14J V
    c38-1 (IG) - Body ground G - Body ground IG power supply Engine switch off Below 1 V
    c38-1 (IG) - Body ground G - Body ground IG power supply Engine switch on (IG) 11 to 14 V

    If the result is not as specified, there may be a malfunction on the wire harness side.

  18. CHECK SEAT CLIMATE CONTROL ECU RH (w/ Climate Control Seat System) 
    Fig 18: Identifying Seat Climate Control ECU RH (W/ Climate Control Seat System) Connector Terminals
    G05764895Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the c24 ECU connector.
    2. Measure the resistance and voltage according to the value (s) in the table below.
    TERMINAL DESCRIPTION SPECIFIED CONDITION CHART

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    c24-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 V
    C24-2 (B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
    c24-1 (IG) - Body ground G - Body ground IG power supply Engine switch off Below 1 V
    c24-1 (IG) - Body ground G - Body ground IG power supply Engine switch on (IG) 11 to 14 V

    If the result is not as specified, there may be a malfunction on the wire harness side.

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