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BLIND SPOT MONITOR SYSTEM Main Switch Circuit

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DTC Code DTC Name
  Main Switch Circuit
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DESCRIPTION

When the blind spot monitor main switch (warning canceling switch assembly) is turned on, a signal is sent to the blind spot monitor sensor LH and the blind spot monitor indicator on the blind spot monitor main switch (warning canceling switch assembly) illuminates.

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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

Inspect the fuses for circuits related to this system before performing the following procedure.

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PROCEDURE


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    READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Blind Spot Monitor Master / Data List.

    5. Read the Data List according to the display on the GTS.


      1. Body Electrical > Blind Spot Monitor Master > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Main Switch State of the blind spot monitor main switch (warning canceling switch assembly) OFF or ON

        OFF: Blind spot monitor main switch (warning canceling switch assembly) off

        ON: Blind spot monitor main switch (warning canceling switch assembly) on

        		 -



      1. Body Electrical > Blind Spot Monitor Master > Data List
        Tester Display
        Main Switch




      Result
      Result Proceed to
      The display does not change as shown above when the blind spot monitor main switch (warning canceling switch assembly) is operated. A
      The display changes as shown above when the blind spot monitor main switch (warning canceling switch assembly) is operated. B

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    INSPECT BLIND SPOT MONITOR MAIN SWITCH (WARNING CANCELING SWITCH ASSEMBLY)


    1. Remove the blind spot monitor main switch (warning canceling switch assembly).

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    2. B00676JC15
      *a

      Component without harness connected

      (Blind Spot Monitor Main Switch (Warning Canceling Switch Assembly))

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      8 (B) - 11 (D) Blind spot monitor main switch on (not protruding) Below 25 Ω
      8 (B) - 11 (D) Blind spot monitor main switch off (protruding) 1 MΩ or higher
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPLACE BLIND SPOT MONITOR MAIN SWITCH (WARNING CANCELING SWITCH ASSEMBLY)Click here

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    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR MAIN SWITCH - BATTERY)


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

      Standard Voltage
      Tester Connection Condition Specified Condition
      O99-8 (B) - Body ground Engine switch on (IG) 11 to 14 V
      O99-8 (B) - Body ground Engine switch off Below 1 V
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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    CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR MAIN SWITCH - BLIND SPOT MONITOR SENSOR LH)


    1. Disconnect the U48 blind spot monitor sensor LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U48-8 (BSSW) - O99-11 (D) Always Below 1 Ω
      U48-8 (BSSW) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE BLIND SPOT MONITOR SENSOR LHClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR