CLEARANCE SONAR MAIN SWITCH INSPECTION

PROCEDURE

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   INSPECT BACK SONAR OR CLEARANCE SONAR SWITCH ASSEMBLY

   
   
   1. 

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

      Standard Resistance
      Tester Connection Switch Condition Specified Condition 3 (IG) - 6 (ECU) Back sonar or clearance sonar switch assembly on Below 1 Ω 3 (IG) - 6 (ECU) Back sonar or clearance sonar switch assembly off 10 kΩ or higher

      Table 1. Text in Illustration

      *a	Component without harness connected (Back Sonar or Clearance Sonar Switch assembly)

      If the result is not as specified, replace the back sonar or clearance sonar switch assembly.

   2. Check that the switch indicator.

      
      

      1. Apply battery voltage to the blind spot monitor main switch (integration control and panel assembly) and check the operation of the switch as shown in the table below.

         OK
         Tester Connection Specified Condition Battery positive (+) → Terminal 3 (IG) Battery negative (-) → Terminal 7 (IND) Illuminates

   3. Check that the switch illuminates.

      
      

      1. Apply battery voltage to the back sonar or clearance sonar switch assembly and check that the switch illuminates.

         OK
         Tester Connection Specified Condition Battery positive (+) → Terminal 5 (ILL+) Battery negative (-) → Terminal 4 (ILL-) Illuminates

         If the result is not as specified, replace the back sonar or clearance sonar switch assembly.