LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> ES 250 F Sport >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System (Except Hybrid) - Circuit Tests (1 Of 4) & Diagnostic Codes >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Tilt and Telescopic ECU Communication Stop Mode [06/2018 - ] >> Procedure

Tilt and Telescopic ECU Communication Stop Mode [06/2018 - ]: Procedure

  1. CHECK FOR OPEN IN CAN BUS LINES (MULTIPLEX TILT AND TELESCOPIC ECU BRANCH LINE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the G63 multiplex tilt and telescopic ECU connector.
    3. Measure the resistance according to the value(s) in the table below.
      GTY816585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      G63-3 (CANP) - G63-11 (CANN) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU) 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY816583Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Multiplex Tilt and Telescopic ECU)

      Standard Resistance

      Tester Connection Condition Specified Condition
      G63-1 (GND) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
      G63-8 (GND2) - Body ground Cable disconnected from negative (-) battery terminal Below 1 Ω
    2. Reconnect the cable to the negative (-) battery terminal.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G63-9 (ECUB) - Body ground Always 11 to 14 V
      G63-10 (IG) - Body ground Engine switch on (IG) 11 to 14 V

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU. Refer to  REMOVAL [06/2018 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)