Starter Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Starting. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSPECT STARTER ASSEMBLY

Starter -- Inspection



1. INSPECT STARTER ASSEMBLY
CAUTION:
These tests must be performed within 3 to 5 seconds to prevent the coil from burning out.


  1. Perform pull-in/holding test.

    1. Remove the nut and disconnect the lead wire from terminal C.



    2. Connect the battery to the magnetic switch as shown in the illustration. Then check that the clutch pinion gear moves outward.


      Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Starting.Starting System.Starter  Inspection



    3. With the battery connected as above and the clutch pinion gear out, disconnect the negative (-) lead from terminal C. Check that the pinion gear remains out.


      Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Starting.Starting System.Starter  Inspection



    4. Disconnect the negative (-) lead from the starter body. Check that the clutch pinion gear returns inward.


      Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Starting.Starting System.Starter  Inspection

      If the result is not as specified, replace the starter assembly.


  1. Perform operation test without load.

    1. Connect the lead wire to terminal C with the nut.

      Torque:
      5.9 N*m{60 kgf*cm, 52 in.*lbf}
    2. Mount the starter in a vise.

    3. Connect the battery and ammeter to the starter as shown in the illustration.



    4. Check that the starter rotates smoothly and steadily while the pinion gear is moving outward. Then measure the current.

      Specified current:
      Item
      Specified Condition
      2.0 kW
      100 A or less at 11.5 V
      1.4 kW
      90 A or less at 11.5 V


      Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Starting.Starting System.Starter  Inspection

      If the result is not as specified, replace the starter assembly.