CAN COMMUNICATION SYSTEM TERMINALS OF ECU

Note


  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  • Before measuring the resistance of the CAN bus, turn the engine switch off and leave the vehicle for 1 minute or more without operating the key or any switches, or opening or closing the doors. After that, disconnect the cable from the negative (-) battery terminal and leave the vehicle for 1 minute or more before measuring the resistance.

  • This section describes the standard values for all CAN related components.

Tech Tips


  • The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed to the vehicle.

    Click here

  • Operating the engine switch, any other switches or door triggers related ECU and sensor communication on the CAN. This communication will cause the resistance value to change.

  • Even after DTCs are cleared, if a DTC is stored again after driving the vehicle for a while, the malfunction may be occurring due to vibration of the vehicle. In such a case, wiggling the ECUs or wire harness while performing the inspection below may help determine the cause of the malfunction.


  1. NO. 1 CAN JUNCTION CONNECTOR


    1. Check the No. 1 CAN junction connector.


      1. Connection diagram

        B008GRIC88
        *a

        Front view of wire harness connector

        (to No. 1 CAN Junction Connector)

        		 *b

        • for Engine Stop and Start ECU (for LHD with Stop and Start System)

        • for Air Conditioning Amplifier Assembly (for RHD)
        *c

        • for Stereo Component Equalizer Assembly (for LHD with ASC System)

        • for Power Steering ECU Assembly (for RHD)

        		 *d for 4WD ECU Assembly (for AWD)
        *e for Central Gateway ECU (Network Gateway ECU) *f for No. 2 CAN Junction Connector
        *g for Certification ECU (Smart Key ECU Assembly) *h for Combination Meter Assembly
        *i for Meter Mirror Sub-assembly (for LHD with Headup Display) *j for Spiral with Sensor Cable Sub-assembly (Steering Angle Sensor) (for RHD)
        *k for Airbag ECU Assembly - -

      2. Check the connection diagram of the components which are connected to the No. 1 CAN junction connector.

        Terminal No. Wiring Color Connect to
        I93-1 (CANH)

        LG*1

        P*2

        • Engine stop and start ECU*1, *3

        • Air conditioning amplifier assembly*2
        I93-11 (CANL) W
        I93-2 (CANH)

        R*1

        LG*2

        • Stereo component equalizer assembly*1, *4

        • Power steering ECU assembly*2
        I93-12 (CANL) W
        I93-3 (CANH) GR 4WD ECU assembly*5
        I93-13 (CANL) W
        I93-4 (CANH) B Central gateway ECU (network gateway ECU)
        I93-14 (CANL) W
        I93-5 (CANH) V No. 2 CAN junction connector
        I93-15 (CANL) W
        I93-6 (CANH) R Certification ECU (smart key ECU assembly)
        I93-16 (CANL) W
        I93-7 (CANH) G Combination meter assembly
        I93-17 (CANL) W
        I93-8 (CANH) Y Meter mirror sub-assembly*1, *6
        I93-18 (CANL) W
        I93-9 (CANH) P Spiral with sensor cable sub-assembly (steering angle sensor)*2
        I93-19 (CANL) W
        I93-10 (CANH) B Airbag ECU assembly
        I93-20 (CANL) W

        *1: for LHD

        *2: for RHD

        *3: w/ Stop and Start System

        *4: w/ ASC System

        *5: for AWD

        *6: w/ Headup Display

  2. NO. 2 CAN JUNCTION CONNECTOR


    1. Check the No. 2 CAN junction connector.


      1. Connection diagram

        B008GRIC89
        *a

        Front view of wire harness connector

        (to No. 2 CAN Junction Connector)

        		 *b for Air Conditioning Amplifier Assembly (for LHD)
        *c

        • for Power Steering ECU Assembly (for LHD)

        • for Stereo Component Equalizer Assembly (for RHD with ASC System)

        		 *d

        • for Parking Brake ECU Assembly (for RHD)

        • for Headlight ECU Sub-assembly LH (for LHD)
        *e for Main Body ECU (Multiplex Network Gateway ECU) *f for Meter Mirror Sub-assembly (for RHD with Headup Display)
        *g for No. 1 CAN Junction Connector *h for ECM
        *i for Brake Actuator Assembly (Skid Control ECU) *j

        • for Spiral with Sensor Cable Sub-assembly (Steering Angle Sensor) (for LHD)

        • for Engine Stop and Start ECU (for RHD with Stop and Start System)
        *k

        • for Headlight ECU Sub-assembly LH (for RHD)

        • for Parking Brake ECU Assembly (for LHD)

        		 - -

      2. Check the connection diagram of the components which are connected to the No. 2 CAN junction connector.

        Terminal No. Wiring Color Connect to
        I94-1 (CANH) B Air conditioning amplifier assembly*1
        I94-11 (CANL) W
        I94-2 (CANH)

        LG*1

        R*2

        • Power steering ECU assembly*1

        • Stereo component equalizer assembly*2
        I94-12 (CANL) W
        I94-3 (CANH) B

        • Headlight ECU sub-assembly LH*1

        • Parking brake ECU assembly*2
        I94-13 (CANL) W
        I94-4 (CANH) Y Main body ECU (multiplex network body ECU)
        I94-14 (CANL) W
        I94-5 (CANH) Y Meter mirror sub-assembly*2, *3
        I94-15 (CANL) W
        I94-6 (CANH) V No. 1 CAN junction connector
        I94-16 (CANL) W
        I94-7 (CANH) Y ECM
        I94-17 (CANL) W
        I94-8 (CANH) R Brake actuator assembly (skid control ECU)
        I94-18 (CANL) W
        I94-9 (CANH)

        P*1

        LG*2

        • Spiral with sensor cable sub-assembly (steering angle sensor)*1

        • Engine stop and start ECU*2, *4
        I94-19 (CANL) W
        I94-10 (CANH) B

        • Parking brake ECU assembly*1

        • Headlight ECU sub-assembly LH*2
        I94-20 (CANL) W

        *1: for LHD

        *2: for RHD

        *3: w/ Headup Display

        *4: w/ Stop and Start System

  3. NO. 3 CAN JUNCTION CONNECTOR


    1. Check the No. 3 CAN junction connector.


      1. Connection diagram

        B008GRIC78
        *a

        Front view of wire harness connector

        (to No. 3 CAN Junction Connector)

        		 *b for Central Gateway ECU (Network Gateway ECU)
        *c for Millimeter Wave Radar Sensor Assembly (w/ Pre-collision System) *d for Clearance Warning ECU Assembly (w/ LEXUS Parking Assist-sensor System)
        *e for Driving Support ECU Assembly (w/ Pre-collision System) *f for Forward Recognition Camera (w/ Pre-collision System)
        *g for No. 6 CAN Junction Connector - -

      2. Check the connection diagram of the components which are connected to the No. 3 CAN junction connector.

        Terminal No. Wiring Color Connect to
        I95-3 (CANH) L Central gateway ECU (network gateway ECU)
        I95-13 (CANL) W
        I95-4 (CANH) P Millimeter wave radar sensor assembly*1
        I95-14 (CANL) W
        I95-6 (CANH) R Clearance warning ECU assembly*2
        I95-16 (CANL) W
        I95-7 (CANH) V Driving support ECU assembly*1
        I95-17 (CANL) W
        I95-8 (CANH) B Forward recognition camera*1
        I95-18 (CANL) W
        I95-9 (CANH) Y No. 6 CAN junction connector
        I95-19 (CANL) W

        *1: w/ Pre-collision System

        *2: w/ LEXUS Parking Assist-sensor System

  4. NO. 4 CAN JUNCTION CONNECTOR


    1. Check the No. 4 CAN junction connector.


      1. Connection diagram

        B008IQ5C44
        *a

        Rear view of wire harness connector

        (to No. 4 CAN Junction Connector)

        		 *b for Multiplex Tilt and Telescopic ECU (for RHD with Power Tilt and Power Telescopic Steering Column)
        *c for Main Body ECU (Multiplex Network Body ECU) *d for Outer Mirror Control ECU Assembly RH (w/ Memory)
        *e for Front Power Seat Switch (for Driver Side) (for RHD with Memory) *f for No. 5 CAN Junction Connector

      2. Check the connection diagram of the components which are connected to the No. 4 CAN junction connector.

        Terminal No. Wiring Color Connect to
        I96-3 (CANH) G Multiplex tilt and telescopic ECU*1
        I96-14 (CANL) W
        I96-4 (CANH) B Main body ECU (multiplex network body ECU)
        I96-15 (CANL) W
        I96-5 (CANH) R Outer mirror control ECU assembly RH*2
        I96-16 (CANL) W
        I96-6 (CANH) GR Front power seat switch (for driver side)*3
        I96-17 (CANL) W
        I96-7 (CANH) V No. 5 CAN junction connector
        I96-18 (CANL) W

        *1: for RHD with Power Tilt and Power Telescopic Steering Column

        *2: w/ Memory

        *3: for RHD with Memory

  5. NO. 5 CAN JUNCTION CONNECTOR


    1. Check the No. 5 CAN junction connector.


      1. Connection diagram

        B008HPJC02
        *a

        Rear view of wire harness connector

        (to No. 5 CAN Junction Connector)

        		 *b for Multiplex Tilt and Telescopic ECU (for LHD with Power Tilt and Power Telescopic Steering Column)
        *c for No. 7 CAN Junction Connector *d for No. 4 CAN Junction Connector
        *e for Front Power Seat Switch (for Driver Side) (for LHD with Memory) *f for Outer Mirror Control ECU Assembly LH (w/ Memory)

      2. Check the connection diagram of the components which are connected to the No. 5 CAN junction connector.

        Terminal No. Wiring Color Connect to
        I97-4 (CANH) G Multiplex tilt and telescopic ECU*1
        I97-15 (CANL) W
        I97-5 (CANH) L No. 7 CAN junction connector
        I97-16 (CANL) W
        I97-6 (CANH) V No. 4 CAN junction connector
        I97-17 (CANL) W
        I97-7 (CANH) G Front power seat switch (for driver side)*2
        I97-18 (CANL) W
        I97-8 (CANH) B Outer mirror control ECU assembly LH*3
        I97-19 (CANL) W

        *1: for LHD with Power Tilt and Power Telescopic Steering Column

        *2: for LHD with Memory

        *3: w/ Memory

  6. NO. 6 CAN JUNCTION CONNECTOR


    1. Check the No. 6 CAN junction connector.


      1. Connection diagram

        B008GRIC79
        *a

        Front view of wire harness connector

        (to No. 6 CAN Junction Connector)

        		 *b for Parking Assist ECU (w/ Panoramic View Monitor System)
        *c for Blind Spot Monitor Sensor LH (w/ Blind Spot Monitor System) *d for Central Gateway ECU (Network Gateway ECU)
        *e for No. 3 CAN Junction Connector *f for Absorber Control ECU (w/ Adaptive Variable Suspension System)
        *g for Rear Television Camera Assembly (w/ Parking Assist Monitor System, w/ Panoramic View Monitor System) - -

      2. Check the connection diagram of the components which are connected to the No. 6 CAN junction connector.

        Terminal No. Wiring Color Connect to
        Q32-2 (CANH) G Parking assist ECU*1
        Q32-12 (CANL) W
        Q32-3 (CANH) R Blind spot monitor sensor LH*2
        Q32-13 (CANL) W
        Q32-4 (CANH) P Central gateway ECU (network gateway ECU)
        Q32-14 (CANL) W
        Q32-5 (CANH) L No. 3 CAN junction connector
        Q32-15 (CANL) W
        Q32-7 (CANH) B Absorber control ECU*3
        Q32-17 (CANL) W
        Q32-8 (CANH) Y Rear television camera assembly*1, *4
        Q32-18 (CANL) P

        *1: w/ Panoramic View Monitor System

        *2: w/ Blind Spot Monitor System

        *3: w/ Adaptive Variable Suspension System

        *4: w/ Parking Assist Monitor System

  7. NO. 7 CAN JUNCTION CONNECTOR


    1. Check the No. 7 CAN junction connector.


      1. Connection diagram

        B008IQ5C46
        *a

        Rear view of wire harness connector

        (to No. 7 CAN Junction Connector)

        		 *b for No. 5 CAN Junction Connector
        *c for Multiplex Network Door ECU (w/ Power Back Door System) *d for No. 2 CAN Junction Terminal

      2. Check the connection diagram of the components which are connected to the No. 7 CAN junction connector.

        Terminal No. Wiring Color Connect to
        Y22-5 (CANH) G No. 5 CAN junction connector
        Y22-16 (CANL) W
        Y22-6 (CANH) G Multiplex network door ECU*
        Y22-17 (CANL) W
        Y22-7 (CANH) G No. 2 CAN junction terminal
        Y22-18 (CANL) W

        *: w/ Power Back Door System

  8. NO. 9 CAN JUNCTION CONNECTOR


    1. Check the No. 9 CAN junction connector.


      1. Connection diagram

        B008H4QC09
        *a

        Front view of wire harness connector

        (to No. 9 CAN Junction Connector)

        		 *b for Central Gateway ECU (Network Gateway ECU)
        *c for Radio Receiver Assembly *d for Telematics Transceiver (w/ Telematics Transceiver)
        *e for Bus Buffer ECU (w/ Bus Buffer ECU) *f for Central Gateway ECU (Network Gateway ECU)

      2. Check the connection diagram of the components which are connected to the No. 9 CAN junction connector.

        Terminal No. Wiring Color Connect to
        I166-1 (CANH) R Central gateway ECU (network gateway ECU)
        I166-12 (CANL) W
        I166-2 (CANH) B Radio receiver assembly
        I166-13 (CANL) W
        I166-3 (CANH) Y Telematics transceiver*1
        I166-14 (CANL) W
        I166-4 (CANH) LG Bus buffer ECU*2
        I166-15 (CANL) W
        I166-5 (CANH) L Central gateway ECU (network gateway ECU)
        I166-16 (CANL) W

        *1: w/ Telematics Transceiver

        *2: w/ Bus Buffer ECU

  9. NO. 2 CAN JUNCTION TERMINAL


    1. Check the No. 2 CAN junction terminal connector.


      1. B008ICKC10
        *a

        Rear view of wire harness connector

        (to No. 2 CAN Junction Terminal)
        *b for No. 7 CAN Junction Connector

        Connection diagram

      2. Check the connection diagram of the components which are connected to the No. 2 CAN junction terminal connector.

        Terminal No. Wiring Color Connect to
        Y23-2 (CANL) W No. 7 CAN junction connector
        Y23-3 (CANH) G

  10. DLC3


    1. B008HK4C11
      *a Front view of DLC3

      Disconnect the cable from the negative (-) battery terminal before measuring the resistance of the CAN main wire and CAN branch wire.

      CAUTION:

      Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

      Note


      • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work.

        Click here

      • When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

        Click here

    2. Measure the resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I7-6 (CANH) - I7-14 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line Cable disconnected from negative (-) battery terminal 54 to 69 Ω
      I7-6 (CANH) - I7-4 (CG) B - W-B HIGH-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I7-14 (CANL) - I7-4 (CG) W - W-B LOW-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
      I7-6 (CANH) - I7-16 (BAT) B - L HIGH-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      I7-14 (CANL) - I7-16 (BAT) W - L LOW-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

  11. CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

    B008HDFC50
    *a

    Component without harness connected

    (Central Gateway ECU [Network Gateway ECU])

    		 - -

    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the central gateway ECU (network gateway ECU) connector.

      B008H9GC39
      *a

      Front view of wire harness connector

      (to Central Gateway ECU [Network Gateway ECU])

      		 - -

    3. Measure the resistance according to the value(s) in the table below.

    4. ECM (for 8AR-FTS)

      Refer to Terminals of ECU.

      w/ Canister Pump Module: Click here

      w/o Canister Pump Module: Click here


      1. Disconnect the cable from the negative (-) battery terminal.

      2. Disconnect the ECM connectors.

        B008JFWC33
      5. *a

      Front view of wire harness connector

      (to ECM)

      		 - -

  • Measure the resistance according to the value(s) in the table below.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A35-13 (CANH) - A35-26 (CANL) Y - W HIGH-level CAN bus line - LOW-level CAN bus line Cable disconnected from negative (-) battery terminal 108 to 132 Ω
    A35-13 (CANH) - C20-53 (E1) Y - W-B HIGH-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
    A35-26 (CANL) - C20-53 (E1) W - W-B LOW-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
    A35-13 (CANH) - A35-1 (BATT) Y - L HIGH-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
    A35-26 (CANL) - A35-1 (BATT) W - L LOW-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

  • ECM (for 3ZR-FAE)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the ECM connectors.

      B008JFWC35
      *a

      Front view of wire harness connector

      (to ECM)

      		 - -

    3. Measure the resistance according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A35-13 (CANH) - A35-26 (CANL) Y - W HIGH-level CAN bus line - LOW-level CAN bus line Cable disconnected from negative (-) battery terminal 108 to 132 Ω
      A35-13 (CANH) - C65-59 (E1) Y - W-B HIGH-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
      A35-26 (CANL) - C65-59 (E1) W - W-B LOW-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
      A35-13 (CANH) - A35-1 (BATT) Y - B HIGH-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
      A35-26 (CANL) - A35-1 (BATT) W - B LOW-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

  • MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the main body ECU (multiplex network body ECU) connectors.

      Click here

      B008J9LC07
      *a

      Front view of wire harness connector

      (to Main Body ECU [Multiplex Network Body ECU])

      		 *b Front view of DLC3

    3. Measure the resistance according to the value(s) in the table below.

    4. CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

      Refer to Terminals of ECU.

      Click here


      1. Disconnect the cable from the negative (-) battery terminal.

      2. B008JLYC08
      5. *a

      Front view of wire harness connector

      (to Certification ECU [Smart Key ECU Assembly])

    Disconnect the certification ECU (smart key ECU assembly) connector.

  • Measure the resistance according to the value(s) in the table below.

  • POWER STEERING ECU ASSEMBLY (for Power Tilt and Power Telescopic Steering Column)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008I4RC02
    • *a

    Front view of wire harness connector

    (to Power Steering ECU Assembly)

    Disconnect the power steering ECU assembly connectors.

  • Measure the resistance according to the value(s) in the table below.

  • POWER STEERING ECU ASSEMBLY (for Manual Tilt and Manual Telescopic Steering Column)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HUVC02
    • *a

    Front view of wire harness connector

    (to Power Steering ECU Assembly)

    Disconnect the power steering ECU assembly connectors.

  • Measure the resistance according to the value(s) in the table below.

  • BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the brake actuator assembly (skid control ECU) connector.

      B008ILIC04
    • *a

    Front view of wire harness connector

    (to Brake Actuator Assembly [skid control ECU])

    		 - -

  • Measure the resistance according to the value(s) in the table below.

  • AIRBAG ECU ASSEMBLY

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

    2. B008JF9C05
    • *a

    Front view of wire harness connector

    (to Airbag ECU Assembly)
    *b Front view of DLC3

    Disconnect the airbag ECU assembly connector.

    Click here

  • Measure the resistance according to the value(s) in the table below.

  • SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY (STEERING ANGLE SENSOR)

    B008GLFE02

    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008GWZC07
    • *a

    Front view of wire harness connector

    (to Spiral with Sensor Cable Sub-assembly [Steering Angle Sensor])

    Disconnect the spiral with sensor cable sub-assembly (steering angle sensor) connector.

  • Measure the resistance according to the value(s) in the table below.

  • AIR CONDITIONING AMPLIFIER ASSEMBLY

    Refer to Terminals of ECU.

    Click here


    1. B008J5CC21
    • *a

    Rear view of wire harness connector

    (to Air Conditioning Amplifier Assembly)

    Disconnect the air conditioning amplifier assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • RADIO RECEIVER ASSEMBLY

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the radio receiver assembly connectors.

      B008JF5C10
    • *a

    Front view of wire harness connector

    (to Radio Receiver Assembly)

    		 - -

  • Measure the resistance according to the value(s) in the table below.

  • COMBINATION METER ASSEMBLY

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HE7C08
    • *a

    Front view of wire harness connector

    (to Combination Meter Assembly)

    Disconnect the combination meter assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • 4WD ECU ASSEMBLY (for AWD)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HUUC05
    • *a

    Front view of wire harness connector

    (to 4WD ECU Assembly)
    *b Front view of DLC3

    Disconnect the 4WD ECU assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • PARKING BRAKE ECU ASSEMBLY

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008J96C04
    • *a

    Front view of wire harness connector

    (to Parking Brake ECU Assembly)

    Disconnect the parking brake ECU assembly connectors.

  • Measure the resistance according to the value(s) in the table below.

  • ENGINE STOP AND START ECU (w/ Stop and Start System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HKJC47
    • *a

    Front view of wire harness connector

    (to Engine Stop and Start ECU)

    Disconnect the engine stop and start ECU connectors.

  • Measure the resistance according to the value(s) in the table below.

  • STEREO COMPONENT EQUALIZER ASSEMBLY (w/ ASC System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HP5C08
    • *a

    Front view of wire harness connector

    (to Stereo Component Equalizer Assembly)

    Disconnect the stereo component equalizer assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • CLEARANCE WARNING ECU ASSEMBLY (w/ LEXUS Parking Assist-sensor System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008JMHC05
    • *a

    Rear view of wire harness connector

    (to Clearance Warning ECU Assembly)
    *b Front view of DLC3

    Disconnect the clearance warning ECU assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • DRIVING SUPPORT ECU ASSEMBLY (w/ Pre-collision System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the driving support ECU assembly connector.

      B008GR9C09
    • *a

    Front view of wire harness connector

    (to Driving Support ECU Assembly)

    		 *b Front view of DLC3

  • Measure the resistance according to the value(s) in the table below.

  • PARKING ASSIST ECU (w/ Panoramic View Monitor System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HCDC01
    • *a

    Front view of wire harness connector

    (to Parking Assist ECU)

    Disconnect the parking assist ECU connector.

  • Measure the resistance according to the value(s) in the table below.

  • ABSORBER CONTROL ECU (w/ Adaptive Variable Suspension System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008JFEC03
    • *a

    Rear view of wire harness connector

    (to Absorber Control ECU)
    *b Front view of DLC3

    Disconnect the absorber control ECU connector.

  • Measure the resistance according to the value(s) in the table below.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    Q22-8 (CANH) - Q22-7 (CANL) B - W HIGH-level CAN bus line - LOW-level CAN bus line Cable disconnected from negative (-) battery terminal 54 to 69 Ω
    Q22-8 (CANH) - Q22-4 (GND) B - W-B HIGH-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
    Q22-7 (CANL) - Q22-4 (GND) W - W-B LOW-level CAN bus line - GND Cable disconnected from negative (-) battery terminal 200 Ω or higher
    Q22-8 (CANH) - I7-16 (BAT) B - L HIGH-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher
    Q22-7 (CANL) - I7-16 (BAT) W - L LOW-level CAN bus line - Battery positive (+) Cable disconnected from negative (-) battery terminal 6 kΩ or higher

  • FORWARD RECOGNITION CAMERA

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the forward recognition camera connector.

      B008JELC15
      *a

      Front view of wire harness connector

      (to Forward Recognition Camera)

      		 *b Front view of DLC3

    3. Measure the resistance according to the value(s) in the table below.

    4. BLIND SPOT MONITOR SENSOR LH (w/ Blind Spot Monitor System)

      Refer to Terminals of ECU.

      Click here


      1. Disconnect the cable from the negative (-) battery terminal.

      2. B008GW7C03
      5. *a

      Front view of wire harness connector

      (to Blind Spot Monitor Sensor LH)
      *b Front view of DLC3

    Disconnect the blind spot monitor sensor LH connector.

  • Measure the resistance according to the value(s) in the table below.

  • TELEMATICS TRANSCEIVER (w/ Telematics Transceiver)

    Refer to Terminals of ECU.

    for G-BOOK: Click here

    except G-BOOK: Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HD3C08
    • *a

    Front view of wire harness connector

    (to Telematics Transceiver)

    Disconnect the telematics transceiver connector.

  • Measure the resistance according to the value(s) in the table below.

  • BUS BUFFER ECU (w/ Bus Buffer ECU)


    1. B008GJNC02
    • *a

    Front view of wire harness connector

    (to Bus Buffer ECU)

    Disconnect the bus buffer ECU connector.

  • Measure the resistance according to the value(s) in the table below.

  • OUTER MIRROR CONTROL ECU ASSEMBLY RH (w/ Memory)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HD7C11
    • *a

    Front view of wire harness connector

    (to Outer Mirror Control ECU Assembly RH)

    Disconnect the outer mirror control ECU assembly RH connector.

  • Measure the resistance according to the value(s) in the table below.

  • OUTER MIRROR CONTROL ECU ASSEMBLY LH (w/ Memory)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HD7C13
    • *a

    Front view of wire harness connector

    (to Outer Mirror Control ECU Assembly LH)

    Disconnect the outer mirror control ECU assembly LH connector.

  • Measure the resistance according to the value(s) in the table below.

  • MULTIPLEX NETWORK DOOR ECU (w/ Power Back Door System)

    Refer to Terminals of ECU.

    Click here


    1. B008JEHC30
    • *a

    Front view of wire harness connector

    (to Multiplex Network Door ECU)

    Disconnect the multiplex network door ECU connectors.

  • Measure the resistance according to the value(s) in the table below.

  • FRONT POWER SEAT SWITCH (for Driver Side) (w/ Memory)

    Refer to Terminals of ECU.

    Click here


    1. B008ID7C07
    • *A for RHD
    *B for LHD
    *a

    Front view of wire harness connector

    (to Front Power Seat Switch [for Driver Side])

    Disconnect the front power seat switch connectors.

  • Measure the resistance according to the value(s) in the table below.

  • MULTIPLEX TILT AND TELESCOPIC ECU (for Power Tilt and Power Telescopic Steering Column)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HIGC06
    • *a

    Rear view of wire harness connector

    (to Multiplex Tilt and Telescopic ECU)

    Disconnect the multiplex tilt and telescopic ECU connector.

  • Measure the resistance according to the value(s) in the table below.

  • HEADLIGHT ECU SUB-ASSEMBLY LH

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008GWEC04
    • *a

    Front view of wire harness connector

    (to Headlight ECU Sub-assembly LH)
    *b Front view of DLC3

    Disconnect the headlight ECU sub-assembly LH connector.

  • Measure the resistance according to the value(s) in the table below.

  • MILLIMETER WAVE RADAR SENSOR ASSEMBLY (w/ Pre-collision System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008HDJC15
    • *a

    Front view of wire harness connector

    (to Millimeter Wave Radar Sensor Assembly)
    *b Front view of DLC3

    Disconnect the millimeter wave radar sensor assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • METER MIRROR SUB-ASSEMBLY (w/ Headup Display System)

    Refer to Terminals of ECU.

    Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. B008I7VC12
    • *a

    Front view of wire harness connector

    (to Meter Mirror Sub-assembly)

    Disconnect the meter mirror sub-assembly connector.

  • Measure the resistance according to the value(s) in the table below.

  • REAR TELEVISION CAMERA ASSEMBLY (w/ Parking Assist Monitor System, w/ Panoramic View Monitor System)

    Refer to Terminals of ECU.

    w/ Parking Assist Monitor System: Click here

    w/ Panoramic View Monitor System: Click here


    1. Disconnect the cable from the negative (-) battery terminal.

    2. Disconnect the rear television camera assembly connector.

      B008GT8C28
    • *a

    Front view of wire harness connector

    (to Rear Television Camera Assembly)

    		 *b Front view of DLC3

  • Measure the resistance according to the value(s) in the table below.