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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Can Communication System (HV) - Circuit Tests (1 Of 6) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HV Model) >> Clearance Warning ECU Communication Stop Mode [11/2018 - 02/2019] >> Procedure

Clearance Warning ECU Communication Stop Mode [11/2018 - 02/2019]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR OPEN IN CAN BUS WIRE (CLEARANCE WARNING ECU ASSEMBLY BRANCH WIRE) 
    1. Disconnect the cable from the negative (-) auxiliary battery terminal.
    2. Disconnect the clearance warning ECU assembly connector.
      GTY860608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for TMC Made
      *B for TMMC Made
      *a Front view of wire harness connector
      (to Clearance Warning ECU Assembly)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      FOR TMC MADE

      Tester Connection Condition Specified Condition
      H4-17 (R1) - H4-18 (R2) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω
      FOR TMMC MADE

      Tester Connection Condition Specified Condition
      G25-17 (R1) - G25-18 (R2) Cable disconnected from negative (-) auxiliary battery terminal 54 to 69 Ω

      Result

      Proceed to 
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR 

    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.

      Standard Resistance

      FOR TMC MADE

      Tester Connection Condition Specified Condition
      H4-28 (E) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      FOR TMMC MADE

      Tester Connection Condition Specified Condition
      G25-28 (E) - Body ground Cable disconnected from negative (-) auxiliary battery terminal Below 1 Ω
      GTY931123Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for TMC Made
      *B for TMMC Made
      *a Front view of wire harness connector
      (to Clearance Warning ECU Assembly)
    2. Reconnect the cable to the negative (-) auxiliary battery terminal.
      NOTE:

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

      Refer to INITIALIZATION [11/2018 - 02/2019]

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

      Standard Voltage

      FOR TMC MADE

      Tester Connection Switch Condition Specified Condition
      H4-1 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V
      FOR TMMC MADE

      Tester Connection Switch Condition Specified Condition
      G25-1 (IG) - Body ground Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

      Result

      Proceed to 
      OK
      NG

    Result: 

    OK 

    REPLACE CLEARANCE WARNING ECU ASSEMBLY 

    Refer to REMOVAL [11/2018 - 02/2019]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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