BLIND SPOT MONITOR SYSTEM Main Switch Circuit

DESCRIPTION

When the blind spot monitor main switch (integration control and panel assembly) is turned on, a signal is sent to the blind spot monitor sensor RH. The blind spot monitor system operates according to this signal.

WIRING DIAGRAM

A01FHSDE11
A01FHSDE12

INSPECTION PROCEDURE

Note

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

PROCEDURE


  1. READ VALUE USING GTS (BLIND SPOT MONITOR MAIN SWITCH)


    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. According to the display on the GTS, read the Data List.

      Blind Spot Monitor Master
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      BSM Main SW Blind spot monitor main switch (integration control and panel assembly) / ON or OFF

      ON: Blind spot monitor main switch (integration control and panel assembly) on

      OFF: Blind spot monitor main switch (integration control and panel assembly) off

      		 -
      Result
      Result Proceed to
      The display does not change as shown above when the blind spot monitor main switch (integration control and panel assembly) is operated. A
      The display changes as shown above when the blind spot monitor main switch (integration control and panel assembly) is operated. B

    B

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here

    A

  2. INSPECT BLIND SPOT MONITOR MAIN SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY)


    1. Remove the blind spot monitor main switch (integration control and panel assembly) Click here.

    2. Inspect the blind spot monitor main switch (integration control and panel assembly) Click here.


    NG

    REPLACE BLIND SPOT MONITOR MAIN SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) Click here

    OK

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


    1. A01FFRCE01
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Blind Spot Monitor Main Switch [Integration Control and Panel Assembly])

      Disconnect the blind spot monitor main switch (integration control and panel assembly) connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      N6-1 (B) - Body ground Engine switch on (IG) 11 to 14 V
      N6-1 (B) - Body ground Engine switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (BLIND SPOT MONITOR SENSOR RH - BLIND SPOT MONITOR MAIN SWITCH)


    1. Disconnect the T39 blind spot monitor sensor RH connector.

    2. Disconnect the N6 blind spot monitor main switch (integration control and panel assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T39-3 (BSSW) - N6-16 (B) Always Below 1 Ω
      T39-3 (BSSW) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE BLIND SPOT MONITOR SENSOR RH Click here